The Grove Tech Two-Piece Barrel Band Swivel Set has an Allen wrench for installation, a 3 /4 inch wood screw swivel stud for the butt stock and a two-piece magazine band, sold by diameter (.800 - .850-inch for this set). Best of all, there are two locking swivels with a 1-inch loop that have the easy adjust thumbscrew for security and function. So untie your sling and install the best locking swivel sling loop you can get, making your next trip to the field a real joy.
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