I used a stubby pencil and a note pad...just like in the old days of testing aircraft!
I recommend the following:
Pick a max distance
Pick a desired ftlbs of energy at your max distance based upon your game
Pick an acceptable level of accuracy at your sight in distance.
Mine was 3" or less 100 yard sight in with 125 yards max distance with a minimum of 1200 ftlbs of retained energy at 125 yards, IN A CARBINE USING HUNTING SIGHTS (Williams ghost ring fire sights) in a 58 cal or 54 cal
It boiled down to a 23" to 24" 54 cal using 110 grs of T7 FFFg with a 450gr Plains, a 485gr No Excuses or a 525 gr No Excuses bullet with either a 1:32 for the two lighter bullets or a 1:38 twist for the 525 gr. coming out at 1500 fps to 1580 fps MV depending on gun and bullet. Those guns and bullets all met or exceeded my parameters.
I have a 1:32 twist 22" that meets the parameters also.
I recommend the following:
Pick a max distance
Pick a desired ftlbs of energy at your max distance based upon your game
Pick an acceptable level of accuracy at your sight in distance.
Mine was 3" or less 100 yard sight in with 125 yards max distance with a minimum of 1200 ftlbs of retained energy at 125 yards, IN A CARBINE USING HUNTING SIGHTS (Williams ghost ring fire sights) in a 58 cal or 54 cal
It boiled down to a 23" to 24" 54 cal using 110 grs of T7 FFFg with a 450gr Plains, a 485gr No Excuses or a 525 gr No Excuses bullet with either a 1:32 for the two lighter bullets or a 1:38 twist for the 525 gr. coming out at 1500 fps to 1580 fps MV depending on gun and bullet. Those guns and bullets all met or exceeded my parameters.
I have a 1:32 twist 22" that meets the parameters also.
Last edited: