300 rum. Loaded with 140 grain mpg/ varmint grenade will be good for poof effect.
love my Rum, shot it this morning with a 5 shot group 1.5" at 300 yards then a 3 shot group at 500 yards that measured 2.25"
Reloder 26 87.5 gr with a 215 berger going 3170 fps Hammertime!
John Hiller
That is a hammer. What barrel length?