Unverified load 7937 in caliber .577-450 Martini-Henry
LoadID 7937
Bullet wheel weight metal
Bullet Weight 534 grs
Powder trail / boss
Powder Weight 19.2 grs
Primer federal large
Brass Make bruce bertum
Barrel Length 26' (inches)
C.O.L 3.109 (inches)
Velocity 900 fps
Group 100 yds 4 to 5 (inches)
Submitted By Andy McFarlane
Gun Info 1880 enfield {action] NEW 26' Barrel
Comment after loading the powder place a wad of cotton to hold powder in place then seat projectile in this is easy shooting round