Imr 4895 temperature sensitivity

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August undefined, 2024

Witryna15 kwi 2013 · IMR-4064 is now used in military 7.62 Special Long Range ball, MK 316 MOD 0 using a 175 grain bullet instead of RL-15, because it is a single base powder and less temp sensitive. IMR-4895 was used in 7.62 MATCH, M852 ammunition with the lighter 168 grain bullets. Witryna2 sty 2024 · The AR10 and AR15 gets the IMR 4895. Reloder 15 is good powder for 30 caliber. H4895 is close, but not a direct substitute for IMR4895. ... More temperature stable. The IMR doesn’t have a huge temp swing but is just a tad more temp sensitive. H also has a touch faster burn rate…..nothing that you’d likely notice with the naked …

Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron

Witryna23 lip 2015 · My Powder Temperature Sensitivity Test. Jump to Latest Follow 1 - 4 of 4 Posts. L ... IMR 4895 @ 45.5gr Hot Vel. 2769,2757 Cold Vel. 2798,2793 Avg. Difference (33fps) H4895 @ 44.5gr Hot Vel. 2794,2803 Cold Vel. 2801,2805 Avg. Difference (4fps) Witryna10 mar 2024 · The drawback is that the reaction rate of nitroglycerine is sensitive to temperature. Older design double-base propellants have significantly more change with temperature than a single-base propellant lacking nitroglycerine. ... Compare the appearance of the old IMR 4895 and the newer Alliant RL-16. The grains of IMR 4895 … rite aid third st

Substitutes for Varget and IMR 4895 1911Forum

Witryna12 gru 2010 · I use IMR 4895 in several calibers and have never noticed a problem shooting from -20 to +90 degrees. You wont, unless you are shooting distance and … Witryna19 paź 2009 · I have been trying to work up a load with several different lots of powders in my 338-06 and 180 gr BT.RL15-2800FPS,4064-2820FPS,varget-2800,VVN550-2870FPS but when I tried BL-C2 I got 2950 which is what the books claim I should get.My Question is some think the powder burns too dirty and I don't know if it is … rite aid tiered technician training program

IMR powder vs Hodgdon powder on temperature sensitivities

IMR4895 vs H4895 Sniper

WitrynaAs with all new technologies, improvements were rapid, and by the 1930s DuPont had developed several far more temperature-resistant, “Improved Military Rifle” powders, many of which remain popular … Witryna27 lip 2015 · 1. cold soaked 10 rounds of the (1c) above at -20C for 8 hours, put them in a cooler with thermal mass at -20C. 2. Using a Magnetospeed-V3 Chronograph, I shot 1 shot out of a clean gun, then waited 90s I shot the following sequence: - 1 shot (1c, 5.18gn) @ -20C), wait 90s - 1 shot (1c, 5.18gn) @ +25C), wait 90s rite aid three day saleWitryna30 sty 2024 · H4895 is close, but not a direct substitute for IMR4895. They started life as different lots of IMR4895. Hornady had one lot, IMR decided to standardize to another lot. Hornady had new lots made to match there original lot of 4895. Commercial loaders and Government Arsenals do not use 'canister grade' powders. rite aid ticker

"Witryna9 kwi 2011 · bsa1917hunter. Campfire 'Bwana. B. Joined: Aug 2010. Posts: 43,441. Battle Born. Hey guys. I'm a long time IMR4350 user: I have always used it in my 30-06's, 300's, 338 win mag and am considering making the switch to H4350 because it is said to be less affected by temps. " - Imr 4895 temperature sensitivity

Imr 4895 temperature sensitivity

IMR 4895 Temp Stability in the 308 Shooters

Witryna26 paź 2015 · Superformance is not rated as temperature resistant. However, from shooting it in 30 and 90 degree weather I can tell you there was no noticeable change in point of impact with the same load in my 6.5mm Creedmor throughout the range of temperatures. Of all the gin joints in all the towns in all the world, she walks into mine. Witryna13 sty 2024 · I had compared two of my tests of .223 rem. A 22 F degrees drop (from 42 F to 20 F) resulted in a 155fps drop in muzzle velocity. This is 23gr IMR 4895 with 55 …

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Witryna27 sty 2024 · IMO, temp sensitivity has been way over emphasized...especially for a 308. ALL powders are temp sensitive once the temp gets above 80*F. As long as you aren't running redline loads, you will be fine for most work to 800 or beyond. Accurate 2520 is a fine powder, it meters well in my Dillon. Witryna13 lut 2024 · Had it been based on technology, H4895 would be the winner - smaller granules for improved metering, insensitive to ambient temperature. ETA - I never …

Witryna16 wrz 2024 · Re: Sensitivity questions of IMR 4895 In VA, we also have 40F temp swings in the summer days. I consider IMR-4895 to be fairly temp sensitive. Not as … Witryna20 cze 2016 · Bryan specifically cited Hodgdon Extreme Series powders as one of the least temperature sensitive powders he’d used. He also made it clear that no powder is completely insensitive to temperature. Your muzzle velocity WILL vary based on ambient temperature, regardless of what powder you use.

Witryna7 kwi 2013 · Double-base powders, unlike single-base (extruded) powders tend to be temperature sensitive, or at least more so. That said, I's back off 1/2 gr. or so. You didn't say what your chronograph readins were at 70°. That should tell you alot. I didn't Chrony at 70, because I wasn't expecting a big difference. I will try it today. Witryna29 mar 2024 · Alaska. In testing many years ago with 77s, it was stable enough for 600 yard NTIT shooting groups for us, holding solidly MOA and just under in various uppers/barrel brands for team members. Tested from around 40 degrees to what was likely 125 or so in direct sun and even leaving rounds chambered in a hot chamber up …

Witryna20 cze 2016 · That is very, very low. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between …

Witryna13 lut 2014 · Campfire 'Bwana. S. Joined: Apr 2004. Posts: 40,764. Southern Oregon USA. For a few fellow forum members that MAY use IMR 4198 for some of their varmint cartridges, particularly the 222s and 223s, I was reading in the Hodgdon Annual Manual, under its description that it has added something to make it temp insensitive! rite aid thrifty ice creamWitryna18 mar 2024 · The IMR 4895 had an opposite affect of what I would have thought. I got a sticky bolt and pretty good pressure signs with the cold rounds but not the hot. The … rite aid tiffinWitryna10 mar 2024 · The grains of IMR 4895 shows the single visible perforation running all the way through the center. The RL-16 only possesses a hint of an indentation where the … rite aid tiffin ohWitryna13 lip 2012 · extremely insensitive to hot/cold temperatures. H4198 is outstanding in cartridges like the 222 Remington, 444 Marlin and the 7.62 X 39. Available in 1 lb. & 8 lb. containers. ... IMR 4350 VIT N550 AA 4350 Pressure 70 Deg. F 47,300 CUP 47,200 CUP 51,400 CUP 50,100 CUP 47,100 CUP Pressure 125 Deg. F 47,800 CUP 47,800 CUP … rite aid tiffin ohioWitryna30 mar 2024 · The newer IMR powders are less temp sensitive and have copper eraser additive in the powder. (extreme powder plus copper erasing) H4895 = 0.23 fps … smith and wesson 459 magsWitryna9 lis 2009 · Several years back Hodgdons did a velocity spread test from 0-125 F on 7.62x51mm using a 168gr OTM bullet. Their data showed the most temperature sensitive powder in their test to be IMR 4895, not a ball powder. Hodgdons data was on their website but has since been removed. rite aid tienken and rochester roadWitryna21 lis 2003 · #2457358 - 03/09/13 07:10 AM temp sensitivity IMR vs Hodgdon Extreme?? cowpoke Die Hard Member II Registered: 11/21/03 ... In general how do the IMR versions compare to their Hodgdon counterparts regarding temperature sensitivity? Somewhat different, or way way different? thanks. Top #2457368 - … rite aid tiffin ohio pharmacy phone