Quote:
Originally Posted by unkated
The .243 was developed as a necked down .308 cartridge. So it's has quite a punch. Its bullet obver the years (since the original 1955) has become heavier (5.5 gm to 10+), balanced by slightly lower muzzle velocity.
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Minor correction; the bullet weight doe snot vary quite that much:
55 grains to 105 grains (3.56 gm to 6.8gm). The lighter end are "good for varmints" - groundhog, rabbits, etc; the heavier ones for deer.
As a T2K weapon (first decimal added to show differences)
Ruger American Rifle (.243 Win) - 2.84 Kg (6.25 lbs) Bulk 5 Mag 4 internal
.243 Win (75gr/4.5 gm): Dmg: 2.8 Pen: 2-4-6 Rcl: SS: 5.4 Rng: 45
.243 Win (105gr/6.8 gm): Dmg: 2.7 Pen: 2-4-6 Rcl: SS: 5.2 Rng: 45
in either case, played as
.243 Win: Dmg: 3 Pen: 2-4-6 Rcl: SS: 5 Rng: 45