SMALL BASE + STD FRONT CAP + STD BARREL END CAP  + STD INTERNAL BRAKE
ADDED LENGTH:    154mm    OVERALL LENGTH:    172mm    DIAMETER:    44mm    WEIGHT:    360g
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)