LARGE BASE + STD FRONT CAP + STD BARREL END CAP + STD THREAD ADAPTOR
ADDED LENGTH: 114mm OVERALL LENGTH: 249mm DIAMETER: 44mm WEIGHT: 453g
THREAD:  M12 X 1, M13 X 1, M14 X 1, M16 X 1, M18 X 1, & IMPERIAL
SUGESTED CALIBER: .204 > .220 (-1).243 > .270 (-2)7x57 > 30-378 (-3)7.62 x 39 > .338 (-4)