EXTENDED CHOKE WITH DIAGONALLY-PORTED DESIGN FOR RECOIL REDUCTION. CONICAL/PARALLEL INTERNAL CONFIGURATION.
EASY TO INSTALL AND REMOVE WITH YOUR FINGERS. NO SPECIAL WRENCH OR TOOL REQUIRED. 
FITS BARRELS WITH BROWNING INVECTOR STYLE THREADS.
BROWNING HAS MULTIPLE THREAD SYSTEMS THAT ARE NOT INTERCHANGEABLE. 
THIS CHOKE WILL NOT FIT BARRELS WITH INVECTOR PLUS THREADS. YOU CAN FIND CHOKES FOR THOSE BARRELS HERE.

OVERALL LENGTH: 3 1/4"
PORTED SECTION LENGTH: 1 3/4"
IN-BARREL LENGTH: 1 1/2"
STANDARD BORE SIZE: .730"
MATERIAL: 17 - 4 STAINLESS STEEL