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 … Witryna9 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 …
IMR4895 vs H4895 Sniper
Witryna30 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. 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 … flight tracking live uk
Ramshot TAC temperature sensitivity? - 24hourcampfire
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. 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. 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! flight tracking on a globe