My Kraig Carbine use 19.5 4759 & the old Saeco RG4 200 Gr cast bullet. 1/25 gas checked and lubed with SPG. Bullet is the long nose funny looking one that appears to be the shape of a drill bit run into the mold block. Just one grease grove way back. Seated to the crimping grove it just about engages the rifling of a Kraig.

That rifle and load won several Cast Bullet Association postal matches. About 1600 FPS.

Boats