Across the board, the Enduron line is very insensitive to temperature changes, which is important for both match shooters and hunters. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. It is formulated to reduce fouling and to be stable across a wide temperature range. IMR is bringing out a new series of advanced-formulation extruded powders. The illuminated reticle made it very easy to see on the black target, and honestly was the first time I have ever had used the feature (now it may be hard to go back). I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. (5.56 x 45 NATO) .223 WSSM .224 Valkyrie .224 Weath. 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. Importantly, it seems to be a good substitute for unobtanium Varget powder. 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. That is very, very low. 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. It is available right now at Midsouth Shooters and Powder Valley in both one-pound and 8-pound containers: For more information and LOAD DATA visit IMRpowder.com and navigate to the Hodgdon Reloading Center. This website uses cookies to ensure the best experience possible. I use in 243 Win and 6.5 CM. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. Villain Weapon Systems ATPIAL-C EFL -- Enhanced Class 3R Performance Available Now from TNVC! ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. It is a true magnum cartridge propellant with outstanding performance in such cartridges as the .300 Winchester Magnum, 7mm Remington Magnum, .338 Lapua and more. The IMR brand was created under the DuPont Corporation. The manual allows for stiffer charges, but at 25.1 the load begins to compress. Moving on, the individual loads were fired and the barrel was allowed to cool between each group. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Any gunpowder required by handloaders can be sourced through these brands. You are using an out of date browser. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. 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. this stuff is not affected temp at all. Many F-Open competitors are now using Reloder 16 with considerable success. So they would likely show much larger swings than what these four top-performing powders showed. Picked up a lb of this stuff to do a little testing with, see if it compares to Varget for accuracy in .223. Tag: IMR 4166 Loading for the AR-15 with the LEE Auto-Drum Powder Measure. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Access from your Country was disabled by the administrator. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, .264 Win Mag, 28 Nosler and .300 Rem Ultra Mag, among other cartridges. 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. Load data should be forthcoming pretty soon. .1 to .2 gr accuracy. It provides top velocities and performance with heavier bullets in medium-sized magnums. In addition, it is a longtime favorite of Match shooters. IMR now offers four Enduron powders that cover a broad range of burn rates. 2. IMR recently released a new line of powders with Enduron Technology which is also marketed to have extreme temperature stability. Other than that , great job, thanks. Was looking for an equivalent powder from H4895 when I ran into the 4166. Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. For info on other IMR powders, visit www.imrpowder.com. Choose a IMR powder and find the respective load data for it. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. I've only seen a handful of load data for IMR 4166 and 223, it was 69 Sierra and 77 Sierra. Has anyone left switched from 4064 to 4166 without losing accuracy? the accuracy is the same as varget but the velocity is a bit higher with a couple of 10ths less powder. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Hodgon VARGET, IMR 3031, IMR 4064, IMR 4166 Enduron, IMR 4831, IMR 4895, Lovex D073.6, Lovex S060, . var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Choosing 4166, I decided to use it in place of my usual choice of Varget in a known accurate cartridge and rifle combination. In modern type guns, 4166 IMR Enduron Powder is a viable powder. Being a short-grain extruded powder it can be dumped from a powder measure; however I always opt to use a dispenser like the Hornady Auto charge. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. Thanks, T.B. msinc 5 rounds shot It may not display this or other websites correctly. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. Learn more about Enduron powders at www.enduronimr.com. Re: IMR 4166 in .223. Full Member. FPS low 2735 high 2789 Loading density is perfect for magnums. Improved Military Rifle IMR 4166 Improved Military Rifle IMR 4320 Improved Military Rifle IMR 4350 Improved Military Rifle IMR 4451 Improved Military Rifle IMR 4831 Improved Military Rifle IMR 4895 Improved Military Rifle IMR 8208 XBR Improved Military Rifle SR 4759 Ramshot Big Game Ramshot TAC Ramshot X-Terminator Shooters World AR PLUS If this is true, these powders should prove popular, particularly IMR 4166 which seems to be in the Varget/Reloder 15 burn-rate range. You can find that here: http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Share the post "Powder Temp Stability IMR Enduron vs. H4350 and Varget". PrecisionRifleBlog.com (PRB) recently published results from a field test PRB conducted to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMRs new Enduron line of powders, specifically IMR 4166 and 4451. IMR 4166 in .223. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. 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. })(); To comment on a post, click Post Title or "Comment" Link. For this reason, the IMR brand powders truly are Legendary products. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. I went to the IMR site and it takes you to hodgdon's loading site. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. Perhaps the new IMR 4166 will be as good or better. This powder is comparable to Hodgdon H4831. 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. Reviews can only be submitted while being logged in. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. Share the post "Guide to IMRs Enduron Powders What You Need to Know", Powder Valley Inc. (PVI) now has the new IMR 4166 powder. Generally no two rifles will like the same exact load. So, I'd use it for loads listed by Hodgdon. [ARCHIVED THREAD] - IMR 4166 .223 Rem. 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. Weve been quite pleased with IMR 8208 XBR as a Varget alternative. .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. Share the post "Cant Find Varget for Sale? IMR 4166 possesses the fastest burn rate in the Enduron lineup. The manual allows for stiffer charges, but at 25.1 the load begins to compress. Load data for the new IMR 4166 was taken from Hodgdon's 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. They both love it. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. 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.. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. OAL 2770 Sierra Case var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; IMR 4166 is an extruded stick powder. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. Share the post "Guide to IMR Enduron Powders: 4166, 4451, 4955, 7977, 8933". IMR 4451 Another new Enduron powder that gives top performance in the venerable .30-06, 270 Winchester, and 300 Winchester Short Magnum, to name just a few. For a better experience, please enable JavaScript in your browser before proceeding. IMR 4166 performs well in the .308 Win (for bullets up to 175 grains) and in 6mm cartridges running the heavier (95-107gr) projectiles. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. Past breakthroughs have brought us the extreme extruded line that gives consistent performance regardless of ambient temperature, and more recently they have brought us CFE technology that deters and reduces copper fouling. Other than that , great job, thanks. When we are sold out, we are sold out. IMR 4166 is part of their new Enduron line that launched just a few years back. Third, Enduron powders are designed for optimal load density. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. _gaq.push(['_setDomainName', '.accurateshooter.com']); The kid's rifle didn't like this powder, but perhaps yours may. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. of Varget. for 223. $25.45 Load . Shop Now ! Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. Share the post "Powder Valley has new IMR 4166 Powder in Stock". 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). It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. IMR 4451 had the largest swing in muzzle velocity of the powders tested, but keep in mind just 68 fps over 115 F swing is still a good performance. Anyway, I like the 4166! Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. An acronym for. .1 to .2 gr accuracy. For more information, go towww.P65Warnings.ca.gov. h4895 Reduced Rifle Load. 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. Thanks, Posted by Phillip Jackson on Aug 1st 2021. ARCHIVED. First load. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. bolt reload data with 65 gr. 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. it's a bit bulky when pouring into the 223 case. 44gr 4166 Versatility with uniformity and accuracy. I tried 4166 and my groups opened up. $40.99 - $270.99. I loaded 23.5 gr in Lapua brass with no trouble using a 10" drop tube: http://www.xxicsi.com/powder-funnel.html CL 2.005 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. In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. The weight of a kernel of 4166 was almost double the weight of a kernel of H4895, and they were clearly larger. I use this powder in my 6mm dasher bench gun. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. (see note 1 ). My factory sierra high 2576 (The only two .45-70's I own are trapdoor Springfields.) IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. The new powder line-up comes in three flavors: 4166, 4451 and 7977. Whether youre reloading for the first time or an experienced reloader who desires elite powder, IMR is a company that should be on your radar. })(); To comment on a post, click Post Title or "Comment" Link. Love the copper fouling eliminator makes cleaning a breeze. Every week of WW II, as many munitions were used as in all of WW I. Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. I did the usual load development testing and found that 43.0 gr. Well, Im done Adulting for Today and Tomorrow. 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). In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. _gaq.push(['_setAccount', 'UA-6323545-2']); I shot a 4.125", 10-shot group at 600 yds - well under 1 MOA and slightly better than my Varget loads, although they were close enough that I attribute the difference to the shooter. (function() { We place limited powder inventory for sale on a regular basis on our website. The IMR 4166 shows loads for a 69 hpbt. This propellant is ideally suited for many mid-range burn speed cartridges. First run tomorrow. 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! IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; The accuracy results were almost identical to those of Varget, with my best group coming in at 1.05 MOA from a 24.6-grain charge of 4166not bad for an initial round of load development. * All prices incl. The initial heat condition of your powder will affect the burn rate, Bryan Litz explained at a recent Applied Ballistics Seminar. So they would likely show much larger swings than what these four top-performing powders showed. ga.src = ('https:' == document.location.protocol ? WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. I have heard the same criticism from other forum members. Or maybe have QuickLoad data? 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. 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 Varmint shooters with small-bore cartridges love it. (SEE: Temperature Effects On Zero on KestrelMeters.com.). Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. It is an extruded powder and is perfect for cartridges like 270 Winchester, 30-06 or 300 Winchester Short Magnum, among others. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Great stuff! 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. Each of these are still favorites with handloaders today! In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. .308 Winchester (IMR-4166 Data) Warning! IMR 7977 is the slowest burn rate Enduron Technology powder. Shooters has been keeping it around $20/lb if you buy in quantity. By that, they mean the change per degree from 20 to 65 might be smaller or larger than the change per degree from 65 to 140. Temperature change stability the Enduron line is insensitive to temperature changes. Please enter your login details below. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. Being one of the easiest people in the industry to talk to, a secret this guarded certainly sparked my curiosity, so I made sure to order a test sample. var _gaq = _gaq || []; The 223 is the most common round. This Enduron series powder is temp-stable and accurate. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. This website uses cookies to ensure the best experience possible. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. 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.

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