<P> The . 243 produces a velocity of 2,960 feet ( 902.21 m ) per second with a 100 - grain ( 6.6 gram ) projectile from a 24 - inch ( 610 mm ) barrel . Commercially loaded . 243 ammunition is available with bullet weights ranging from 55 grains ( 3.6 g ) up to 115 grains ( 6.8 g ) . Twist rate of the barrel is the major deciding factor in which bullets to use , 1 : 10 being the most popular as it is sufficient to stabilize up to 100 - gr . bullets . However , for very low drag - profile and bullets heavier than 100 grs. , a 1 : 8 or 1 : 7 ( for 115 - gr . VLD bullets ) is necessary . </P>
<P> The . 243 produces a velocity of 2,960 feet ( 902.21 m ) per second with a 100 - grain ( 6.6 gram ) projectile from a 24 - inch ( 610 mm ) barrel . Commercially loaded . 243 ammunition is available with bullet weights ranging from 55 grains ( 3.6 g ) up to 115 grains ( 6.8 g ) . Twist rate of the barrel is the major deciding factor in which bullets to use , 1 : 10 being the most popular as it is sufficient to stabilize up to 100 - gr . bullets . However , for very low drag - profile and bullets heavier than 100 grs. , a 1 : 8 or 1 : 7 ( for 115 - gr . VLD bullets ) is necessary . </P>
how many feet per second does a 243 shoot
how many feet per second does a 243 shoot
2,960 feet ( 902.21 m ) per second
2,960 feet ( 902.21 m ) per second