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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)



AR15, AR10




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Armaspec TCB31 Tactical Combat Button – Flat Dark Earth

Our Price:

Armaspec TCB31 Tactical Combat Button - Flat Dark Earth $16.19
  • MSRP$17.99
  • UPC60893990345

Total in stock: 4

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5004 State Highway 74 Cape Girardeau, MO 63701
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