The TCB-31™ is an extended mag release designed to improve the functionality and ergonomics of the factory button. The TCB™ increases the size of your factory button by 263% making it easier and faster to perform magazine changes. The size and ergonomic design enables button engagement without changing your grip position.

Available in Black, Blue, FDE, ODG & Red

• Faster magazine change
• 263% larger than Mil-Spec mag release button
• Compatible with Mil-Spec AR-15 lower receivers
• Ergonomic design
• Made in the U.S.A.
• Lifetime warranty

• Material: Aluminum
• Height: 0.625″
• Width: 0.625″
• Wight: 0.18 oz.

• AR-15 and AR-10

• 1x Tactical Combat Extended Mag Release Cap
• 1x Tactical Combat Extended Mag Release Base
• 2x Socket Head Screws
• 1x Hex Key (3/32)