FCW carbon fiber mag extension for the Remington 870/1100/11-87/Versamax and V3 12ga shotgun. Adds 9 rounds of 2-3/4? shells. Adds approx. 21 1/4" in length and 5.80 oz in weight. Comes with our SS extreme duty spring and wrench. We recommend use of a support clamp with this extension and can be purchased separately .
