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Caliber: .243 Winchester. Barrel length: 24” Powder: Ramshot – X-Terminator®. (Extremely Light bullets only) Bullet weight: 55 grains. Start load: 36.0 grains (c a3450 Fps) Maximum load: 40.0grains (ca 3825 Fps) LD ca .
Ramshot – TAC®. (Light bullets only) Bullet weight: 55 grains. Start load: 40.9 grains (ca 3625 Fps) Maximum load: 45.5 grains (ca 3900 Fps). Bullet weight: 58 grains. Hdy VMAX COL: 2.600” Start load: 39.4 grains (ca 3406 Fps) Maximum load: 43.8 grains (ca 3795 Fps). Bullet weight: 65 grains. Start load: 39.6 grains (ca 3375 Fps) Maximum load: 44.0 grains (ca 3700 Fps) LD ca 87%. Bullet weight: 80 grains. COL: 2.640” Start load: 35.0 grains (ca 2960 Fps) Maximum load: 39.0 grains (ca 3233 Fps) Bullet weight: 85 grains. COL: 2.640” Start load: 31.5 grains (ca 2815 Fps) Maximum load: 35.0 grains (ca 3032 Fps) Bullet weight: 95 grains. Sierra HPBT COL: 2.650” Start load: 33.3 grains (ca 2760 Fps) Maximum load: 37.0 grains (ca 3040 Fps)
Powder: Ramshot – BIGGAME®. Bullet weight: 55 gra ins. Start load: 42.0grains (ca 3650 Fps) Maximum load: 49.0 grains (ca 4000 Fps) LD ca 94%. Bullet weight: 70 grains. Start load: 41.5 grains (ca 3375 Fps) Maximum load: 46.2 grains (ca 3725 Fps) Bullet weight: 70 grains. Start load: 41.4 grains (ca 3375 Fps) Maximum load: 45.9 grains (ca 3650 Fps) Bullet weight: 75 gra ins. Start load: 38.7grains (ca 3225 Fps) Maximum load: 44.1 grains (3500 Fps) LD ca 87%. Lead free Bullets: Bullet weight: 62 grains. Barnes VG – Varmint Grenade. Start load: 40.8 grains (3200 – 3300 Fps) Maximum load: 45.3 grains(3525-3625)
Just a little bit different but.
I shoot a 6mm rem with a 26" barrel and Mauser action.
I use 52 gr of "Big Game" and a 55 gr Nosler BT and get sub moa at 200 yards at 4200 fps average. In a 243 case, you probably could not get 52 gr in but close I'm sure.