LARGE BASE + LARGE BRAKE FRONT CAP + STD CAP REPLACEMENT + STD BARREL END CAP + STD INTERNAL BRAKE BBG - NF#2 - O38SUGESTED CALIBERSelectADDED LENGTH (mm):239OVERALL LENGTH (mm):257DIAMETER (mm):50WEIGHT (g):595COMPONENTS SelectTHREADM12 X 1 M13 X 1 M14 X 1 M16 X 1 M18 X 1 & IMPERIAL