LARGE BASE + EXTERNAL BEAKE + STD BARREL END CAP + STD THREADED ADAPTOR
ADDED LENGTH: 250mm OVERALL LENGTH: 268mm DIAMETER: 44mm WEIGHT: 478g

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), .35 > .375 (-5)

BBG - NF#3 - O17