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    AR15/M4 Buttstock for Mil-Spec and Commercial Tubes The GL-CORE is our newest addition to our line of buttstocks. The integrated cheek weld, ergonomic buttpad and…

  • Rated 0 out of 5

    GL CORE IMPACT CP Recoil Absorbing Buttstock Introducing the revolutionary new F.A.B. Defense, GL-Core IMPACT, a Shock absorbing buttstock. Featuring a 3-setting adjustable mechanism, the…

  • Rated 0 out of 5

    M4/M16 Shock Absorbing Buttstock The revolutionary patented ‘GL-Shock’ absorbing Buttstock contains a recoil-reducing mechanism with a built in premium silicon chrome alloy spring creating a…