Magazine Tube Extension with Barrel & Tube Clamp

Includes the tube extension and extended spring Aluminum with black anodized finish Adds capacity for 3 additional rounds (2 ¾” length) or 2 rounds (3” length) Compatible ONLY with the GForce Arms 12GA tube feed models GF1 (Semi Auto), GFPG3 (Pumps) and most other Turkish manufactured shotguns.  NOT compatible with the GF2p, GF Pumpernickel or…