Foot lbs needed to penetrate skin
This expansion is desinged to occur in a delayed fashion at the muzzle velocities of the bullet in order to provide deeper penetration. Apr 29, 2. If the bullet penetrates less than their guidelines, it is inadequate, and if Foot lbs needed to penetrate skin penetrates more, it is still satisfactory though not optimal. A semi-wadcutter design is intermediate between the round nose and wadcutter and is useful at medium velocity. Full choke gives a 15 inch spread at 20 yards, while no choke gives a 30 inch spread at the same distance.