Trail Boss is based on new technology that allows very-high loading density, good flow through powder measures, stability in severe temperature variation, and, most importantly, additional safety to the handloader. Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Great stuff! Thanks, T.B. I tried 4166 and my groups opened up. This included the top-of-the-line Prometheus Gen II Powder Scale, which is capable of loading to the nearest kernel of powder. For those who ask.I am obviously loading for a 556 NOT a 223. otherwise why mention I would be using only cases marked as 556! I understand this is an old thread, but want to reply anyway, 243 75gr V-Max loads using StaBall or IMR 4166. Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using both a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. IMR 4166 is an extruded stick powder. So if your goal is first-shot hits and you may shoot in a variety of conditions you should care about temperature stable powders. 44gr 4166 The 4166 seemed interestingit matched my motorcycle jacket, but none of my reloading manuals had any data for it (it's that new). Its a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more. The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. h4895 Reduced Rifle Load. Reloading 223/ 5.56 for the AR-15 with IMR 4166 30-06JOHN, GUNS AND RELOADING 1.86K subscribers 2.8K views 1 year ago I reload .223/ 5.56 for the AR-15 using a powder not popular, IMR. Be the first to share your insights. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; very consistent in .243 shooting 65gr vmax and 3550 fps. Shooter's Reference Load Data for .223 Remington .223 Remington - Published Manufacturer Loading Data Shellholders: Hornady #16 Lee #4 Lyman #26 RCBS #10 Recipe Type: Rifle 55,000 PSI STANDARD SAAMI COMMERCIAL SPECIFICATIONS Pistol CUSTOM LONG THROAT Reduced Load Bullet Weight: ALL 30 gr 34 gr 35 gr 36 gr 40 gr 42 gr 43 gr 45 gr 50 gr 51 gr 52 gr My factory sierra high 2576 Please help us to improve and report any suggestions via our contact form. In addition, it is a longtime favorite of Match shooters. ), AR Issue 2022 Gun & Gear Giveaway Contest, Editors Choice Gun & Gear Giveaway Contest, Fall Hunting 2021 Gear & Giveaway Contest, Defensive Handgun Gun & Gear Giveaway Contest, Defensive Handgun Issue Gun & Gear Giveaway, The Hunter to the Hunted: Savage Arms Introduces New 110 Carbon, Wilson Combat 300 HAMR Barrel Conversion, 2022 Editors Choice Award Winning SIG Sauer P322 .22LR, 2022 Editors Choice Award Winning Savage Mo. If this is true, these powders should prove popular, particularly IMR 4166 which seems to be in the Varget/Reloder 15 burn-rate range. Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. CL 2.005 Using bullets from Nosler BT LF, Barnes VG FB, Nosler BT, SinterFire, Sierra SP, Speer SP, Sierra HP, Barnes TSX FB, Hornady FMJ, Hornady V-Max, Swift Scirocco, Sierra HPBT, JLK VLD, Sierra MK, Berger BT Targ. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Picked up a lb of this stuff to do a little testing with, see if it compares to Varget for accuracy in .223. OK, we're down to 1/3 MOA with a bit more to go. * All prices incl. IMR 7977 has the slowest burn rate among the Enduron Technology powders. In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. With Varget so hard to find, if IMR 4166 proves accurate (and available) we might see many .308 Win shooters make the switch. Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". I hope to get to .5 moa consistently anything better will be nice. IMR 4166 performs well in the .308 Win (for bullets up to 175 grains) and in 6mm cartridges running the heavier (95-107gr) projectiles. Share the post "Cant Find Varget for Sale? Well, Im done Adulting for Today and Tomorrow. $182.75. })(); To comment on a post, click Post Title or "Comment" Link. IMR powder has long been a choice powder for knowledgeable reloaders. Sounds familiar! Newtosavage Dec 9, 2020 #9 ericwh Well Known Rokslider Joined Mar 9, 2017 Messages 479 Location PA Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron The manual allows for stiffer charges, but at 25.1 the load begins to compress. 2. These are the first groups with this powder. First load. Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington and dozens more.. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. That means swings in ambient outside temperature can affect your internal ballistics, which will directly affect your muzzle velocity, which will change your bullets trajectory. For a better experience, please enable JavaScript in your browser before proceeding. Precision shooters will find an Enduron option well-suited to most popular precision cartridge types. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. In this post, I've got some great highlights including the LEE . Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. IMR 8208 XBR is accurate, clean-burning, and offers good velocity. 110 PCS pistol, 2022 Editors Choice Award Winning Ruger 5.7 LC Carbine, 2022 Editors Choice Award Winning Mossberg 940 Pro Tactical 12-gauge, Fiocchi Introduces New 5.7x28mm Subsonic Ammo, Lehigh Defense 115-gr. var _gaq = _gaq || []; Anyway, I like the 4166! It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. I didn't want to like this stuffI figured I was likely buying marketing hype for $31/lb at my LGS. We do not take backorders and our Tech Services team cannot take orders via email or phone. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25 F and 140 F. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. I went to the IMR site and it takes you to hodgdon's loading site. I have heard the same criticism from other forum members. Posted by Christopher Brown on Apr 19th 2022. $49.99 - $357.99 4.48 17 reviews IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Give it a try if you've already purchased it. VAT (where applicable), shipping costs and possible delivery charges. Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). When will Enduron powders appear on dealers shelves? Good luck. When I approached Chris Hodgdon with the question Does it stop copper from fouling or remove it with each shot? with a smirk he responded Its a proprietary formula. Hodgdon Powder Co., distributors of Hodgdon, IMR, and Winchester powders, says that: The new IMR Enduron Technology powders will be available at dealers in early 2015 in 1-pound and 8-pound containers. For more information and Enduron LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. IMR 4166 is one of the new Enduron family of propellants. IMR 8133 performs comparably to Hodgdon Retumbo but charge weights are materially different. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. Sierra load data for over 95 Berger bullets in over 65 calibers with all suitable powders on the market. OAL 2770 Sierra Case They list loads for Sperry SP and Barnes TTSX in 55gr weights. Taking the rifle back to the workbench for a cleanup proved the claimit had virtually no copper fouling, as proven by the absence of a blue hue in the exiting patch soaked in Sweets 7.62 bore solvent. this stuff is not affected temp at all. The IMR brand was first introduced under DuPont in the 1930s. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Choose a IMR powder and find the respective load data for it. Whether a rifle is sighted in during the heat of summer, hunted in a November snowstorm or hunting multiple locations with drastic temperature swings, point of impact with ammunition loaded with Enduron technology will be very consistent. It may not display this or other websites correctly. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); OAL 2770 Sierra Case IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. The top shooters in the PRS and veteran long-range shooters in other disciplines have learned to value a temperature-stable powder. IMR 4166 Enduron for 223. Load data should be forthcoming pretty soon. Trail Boss Reduced Rifle Load. Load data for the new IMR 4166 was taken from Hodgdons 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. However, to up the ante the Enduron line also utilizes copper fouling reducing technology to help keep your bore free of the hard to remove copper. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. IMR 4166 possesses the fastest burn rate in the Enduron lineup. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. Please enter your login details below. A Meopta MeoStar 1.710x riflescope was mounted to ensure an optimum sight picture. The new powder line-up comes in three flavors: 4166, 4451 and 7977. It was less accurate than 4 other powders. Subscribe to the free newsletter and do not miss any news or promotions. That is very, very low. Importantly, it seems to be a good substitute for unobtanium Varget powder. So, I'd use it for loads listed by Hodgdon. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. We place limited powder inventory for sale on a regular basis on our website. CC 300 BLK ($53.49 per box of 20), Law Tactical Gen 3-M AR Folding Stock Adapter, 2022 Editors Choice Award Winning Silencer Central Banish Backcountry Suppressor. IMR 7977 is a slower burn rate in the Enduron family. IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and it's a great 30-30 Winchester powder. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. I'm very happy with this powder. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. 5 rounds shot ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. . var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); They also produce specialty rounds designed for competition shooting events like . Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. The 223 is the most common round. First load. The responsible reloader always errs on the side of caution, so I decided to stop there. Shooters will find IMR 8208 XBR yields max velocities and 'tack driving' accuracy. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder". It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Its loading density is perfect for magnum cartridges and contributes to superb uniformity, yielding outstanding performance in 300 Winchester Magnum, 7MM Remington Magnum and .338 Lapua Magnum. I paid $159.00 for 8# Varget at Shooters last time I was up there. .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. Every week of WW II, as many munitions were used as in all of WW I. This propellant is ideally suited for many mid-range burn speed cartridges. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 8133 is the slowest burn rate in the Enduron family. .223 Rem. However, due to the super short kernels, metering is virtually as good as a spherical powder. More about this powder: IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Other than that , great job, thanks. It may not display this or other websites correctly. Love the copper fouling eliminator makes cleaning a breeze. Share the post "IMR Introduces New Enduron Powders: 4166, 4451, 7977". The 6.5 responded well to the precisely weighed powder charges in carefully prepared cases. Love the copper fouling eliminator makes cleaning a breeze, Posted by Paul rosenkranz on Nov 9th 2021. (see note 1 ). _gaq.push(['_setAccount', 'UA-6323545-2']); Find load data for IMR 4451 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. IMR 4166 is one of IMRs Enduron family of propellants. : (913) 362-9455; E-mail: [emailprotected]; Web: www.imrpowder.com, (Disclaimer: The loads described above were safe for this rifle, on this particular day. when enduron works it is often same hole shooting. * All prices incl. Subscribe to the free newsletter and do not miss any news or promotions. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more.. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. The test was designed to quantify the temperature stability of Hodgdon H4350 and Varget powders compared to IMRs Enduron line of powders, specifically IMR 4166 and 4451. Choosing 4166, I decided to use it in place of my usual choice of Varget in a known accurate cartridge and rifle combination. the accuracy is the same as varget but the velocity is a bit higher with a couple of 10ths less powder. CL 2.005 Site Notices. Here on Ultimate Reloader you can count on a LOT of AR-15 content coming over the next year: everything from reloading .223/5.56, to hunting, a lot more with suppressors, and some custom AR-15 rifle action! So they would likely show much larger swings than what these four top-performing powders showed. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. When I hit that node It's going to be great. You may not reproduce original text or photos without advanced permission in writing. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. (SEE: Temperature Effects On Zero on KestrelMeters.com.). It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. IMR 4166 possesses the fastest burn rate in the Enduron lineup. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. - 24hourcampfire Previous Thread Next Thread Print Thread Hop To BP-B2 IC-A B3 IC-B B4 RR1-22 Who's Online Now 828 members ( 10Glocks, 12344mag, 007FJ, 1911a1, 1100mag, 95 invisible), 2,340 guests, and 1,313 robots. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. Share your experiences with other customers. I have enough on hand to last for a while, but when I found some IMR 4166 available, I decided to try it for my MPA .308. IMR now offers four Enduron powders that cover a broad range of burn rates. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. _gaq.push(['_setDomainName', '.accurateshooter.com']); Minuteman. Third, Enduron powders are designed for optimal load density. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . spitzer boat tail & imr 4166, 223 80 gr bullet imr 4166, 223 load with imr 4166, 243 barnes 80 gr ttsx imr 4166 load data, 243 barnes 80gr ttsx imr 4166 load data, 243 barnes ttsx with imr 4166 load data, 243 barns ttsx with imr 4166 . Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. Thanks, Was looking for an equivalent powder from H4895 when I ran into the 4166. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. Trim to length as needed, clean/uniform the primer pockets, reprime, charge with powder, verify powder charges, seat bullets to specific overall length, perform final inspection, box, and label. Guide to IMR Enduron Powders Temp Stable, Reduced Fouling, IMR Introduces New Enduron Powders: 4166, 4451, 7977, Guide to IMRs Enduron Powders What You Need to Know, IMR Enduron 8133 New Slow-Burn-Rate Magnum Powder, IMR Powders introduces IMR 4955 Enduron Powder. Anyone seen/tried this combo? 7977 is the slowest of the batch, for shoulder thumpers like the .338 Lapua and the .470 Nitro Express. Optimal load density - Enduron powders provide optimal load density, assisting in maintaining low standard deviations in velocity and pressure, a key feature for top accuracy. .1 to .2 gr accuracy. Testing consisted of a single 5-shot group of each incrementmental charge weight just to get a rough feel for the potential of this powder. Most powders arent specially formulated to be temperature stable. I live in florida and shoot the same load all year. It acts a whole lot like Varget, but is much easier to find. I do not see it listed for 40 grain bullets. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. I'm very happy with this powder. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. Varmint shooters with small-bore cartridges love it. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. The main features of the Enduron series are copper . . The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. 3, tried this powder and same bullet in the grandson's Ruger77 .223. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. Other than that , great job, thanks. We place limited powder inventory for sale on a regular basis on our website. Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. Access from your Country was disabled by the administrator. FPS low 2735 high 2789 Anyone seen/tried this combo? IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. UPS has officially stopped shipping guns? Improved Military Rifle IMR 3031 Improved Military Rifle IMR 4064: 5.56 x 45 mm: Accurate 2495 VihtaVuori N135 VihtaVuori N140: Hodgdon CFE 223 Hodgdon H 335 Improved Military Rifle IMR 8208 XBR VihtaVuori N530 VihtaVuori N540: 5.6 x 50 Magnum: Improved Military Rifle IMR 4064 Winchester 748: 5.6 x 57: Improved Military Rifle IMR 4320: 5.7 x 28 . Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. Sounds familiar! Final diagnosis: This powder is certainly a winner in the accuracy field, and if the cleanup continues to be this simple it is sure to find a home on my reloading bench. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. Was looking for an equivalent powder from H4895 when I ran into the 4166. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. Find load data for IMR 7828 SSC propellant by clicking the button "Loads for this Powder".More about this powder:IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data. Cant Find Varget for Sale? First, these powders all feature chemistry that reduces copper fouling. of 4166 in Peterson SRP brass topped with 168 gr SMK's seated 0.010" off gave me great performance. In fact, E. I. duPont arrived in America in 1800 determined to make an improved gunpowder and, by 1802, was producing gunpowder in a new plant along the Brandywine River in Wilmington, Delaware (this plant morphed into what is today the GOEX brand of black powder). Then Try IMR 4166 Powder, Powder Temp Stability IMR Enduron vs. H4350 and Varget, http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme, Guide to IMRs Enduron Powders What You Need to Know, Powder Valley has new IMR 4166 Powder in Stock, IMR Introduces New Enduron Powders: 4166, 4451, 7977. The components in question make up my service rifle load in .223 and they are Hornadys 55 grain V-max bullet seated into a Lake City brass case at an OAL of 2.270 and ignited with a Wolf Small Rifle Primer. Reloading 223 Rem./5.56mm is mostly the usual routine. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. Posted: 7/2/2021 8:19:25 PM EST. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Not a brand to rest on its laurels, IMR continues to develop new powder formulas that are increasingly insensitive to weather and temperature changes, have improved burn speeds, and contain additives that remove copper bullet jacket fouling. Powder Valley Inc. (PVI) and Midsouth Shooters both have plenty of IMR 4166 in stock right now. })(); To comment on a post, click Post Title or "Comment" Link. IMR is an acronym for Improved Military Rifle. The LabRadar is a new type of device that allows you to measure muzzle velocity within at least +/- 0.1% of the reading. Many F-Open competitors are now using Reloder 16 with considerable success. Sep 25, 2010 . You are using an out of date browser. It is an extruded powder and is perfect for cartridges like 270 Winchester, 30-06 or 300 Winchester Short Magnum, among others. As with all load development, reference a credible reloading manual, then start at the minimum and work up in small increments. I bought all three. Moving on, the individual loads were fired and the barrel was allowed to cool between each group. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). [ARCHIVED THREAD] - IMR 4166 .223 Rem. ga.src = ('https:' == document.location.protocol ? I use this powder in my 6mm dasher bench gun. Most powders arent specially formulated to be temperature stable. Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. This ensured the powder charges were identical for each round of ammo. I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. Select 223 Remington, check off your weights, select IMR, then 4166 I was able ti find a load for two different 55s, a 69, and a 75. bolt reload data with 65gr. Versatility with uniformity and accuracy. The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Are your groups that good ? IMR is bringing out a new series of advanced-formulation extruded powders. Load data for 50 loads in caliber 7 x 57 with .284 | 139gr . IMR 7977 is comparable to Hodgdon H1000. This Enduron series powder is temp-stable and accurate. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels.