FCW carbon fiber mag extension for the Winchester SX3/SX4 and Browning Silver 12ga shotgun. Adds 5 rounds of 2-3/4” shells. Adds approx. 12 in length and 4.10 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 .

FCW carbon fiber mag extension for the Winchester SX3/SX4 and Browning Silver 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 .

This is a replacement spring designed for the FCW magazine tube extension. This spring will also work with most 12ga and 20ga shotguns. This spring may need to be trimmed to length for your application.

Magazine loader for the FCW 1911-.22lr single stack polymer magazine. Will also work with the Jagemann and Brownells 1911-22 mags.

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 .

FCW carbon fiber mag extension for the Tristar Raptor and Cobra I and III by Kral 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. The FCW aluminum support clamp is recommended for use with this extension and can be purchased separately .

FCW carbon fiber mag extension for the Remington 870/1100/11-87/Versamax and V3 12ga shotgun. Adds 6 rounds of 2-3/4” shells. Adds approx. 14 1/2 in length and 4.50 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 .

FCW carbon fiber mag extension for the Tristar Viper G2 Viper Max and Cobra II by Armsan 12ga shotgun. Adds 5 rounds of 2-3/4” shells. Adds approx. 12 in length and 4.10 oz in weight. Comes with our SS extreme duty spring and wrench. The FCW aluminum support clamp is recommended for use with this extension and can be purchased separately.

FCW carbon fiber mag extension for the Tristar Raptor and Cobra I and III by Kral 12ga shotgun. Adds 6 rounds of 2-3/4” shells. Adds approx. 14 1/2 in length and 4.50 oz in weight. Comes with our SS extreme duty spring and wrench. The FCW aluminum support clamp is recommended for use with this extension and can be purchased separately .