Universal Magazine Cap with QD Swivel Stud

This Magazine Cap comes with QD Sling Swivel Stud in a matte finish. Will fit both old and new style 12ga Remington Model 870, 1100 and 11/87 shotguns.

Choate Magazine Extension, 12ga

These are a one piece assembly. Includes magazine extension, spring, follower and magazine/barrel clamp.

Tanks HD Magazine/Barrel Clamp

Provides rigid support for a 12ga magazine extension installed on a Remington M870, M1100 or M1187. Features side and bottom QD Sling Swivel studs. Comes with 1" QD Swivels. Matte finish.

Tank's HD Magazine Extension

Features a two-piece tube and cap assembly. Includes extension tube, extension cap, spring, follower and Tank's HD Magazine/Barrel Clamp. Available in matte finish 12ga only.

Tanks HD Magazine/Barrel Clamp with Bottom QD Stud

Provides rigid support for a 12ga magazine extension installed on a Remington M870, M1100 or M1187. Features bottom QD Swivel stud only. Matte finish.

Tanks HD Magazine/Barrel Clamp, Basic

Provides rigid support for a 12ga magazine extension installed on a Remington M870, M1100 or M1187. Matte finish.

Choate Magazine/Barrel Clamp, 12ga

Adds support to the magazine extension.

Tank's Allen Head Clamp Screw

A replacement for the slotted screw included with the Choate magazine/barrel clamp allowing better tightening. Includes Lock Washer and Nut.

Forend Washer

This hardened stainless washer is used to retain mag extensions on new model Remingtons without detents.

Tank's HD Magazine Spring, 12ga

These high quality magazine springs eliminate feeding problems caused by weak and worn out springs. This is especially true in semi-auto's.