Aug 31, 2017 · I use trailboss for subsonic rounds. it's very "fluffy" and 11 grains fills up a .308 casing and only pushes a 190 grain PSP a hair over 1100 FPS, i can't imagine the velocity being much higher than that on a 100 grain .243 bullet. .243's strength is in it's velocity, I wouldn't not use trailboss for .243 unless it's just for plinking.

Szukasz informacji na temat best powder for reloading 243 Na naszym portalu znajdziesz wyczerpujące odpowiedzi na Twoje pytania. Sprawdź! Hornady Full Metal Jacket .243 Cal 80 Grain 100 Per Box (2430), Not Loaded ... Hornady GMX Reloading Bullets 22273, .224 caliber, Gliding Metal Expanding, 55 GR, 50 ... In the .243, as much as penetration would seem to be a main issue, the 85 grain hollow point GameKing is definitely the pick of Sierra’s crop. 243 Depends on your purpose and size of deer. DRT -use a cup and core bullet, Nosler BTs are known to be deer bombs and any deer shot in the chest w/o hitting bones is right there in its footsteps.

I've been loading my .243 Winchester rifles using IMR 4064 for many years. My Remington 700 BDL likes my hand load of 38 grains of 4064, and will push an 85 grain Sierra Game King HP at 2980 FPS. This load will reliably produce .75 inch five shot groups from my rifle.

sierra bullets, hpbt, 6 mm/ .243 cal. (.243), 85 GR., 100 PACK For rifles chambered in 6mm cartridges, the #1530 85 grain hollow point boat tail bullet has proven to be highly effective on medium game, such as deer and antelope, and it is outstanding in this application.