Shop BRT BarrelsBarrelsUppersUppersBCG / Upper PartsBCG / Upper PartsAdjustable Gas SystemAdjustable Gas SystemGas SystemGas SystemMuzzle DevicesMuzzle Devices9mm AR9mm ARFeatured ProductsBRT 10.5" PRO 556 BarrelBRT 10.5" PRO 556 Barrel$189.00BRT 16" PRO 556 BarrelBRT 16" PRO 556 Barrel$189.00BRT 10.3" Cold Hammer Forged Govt BarrelBRT 10.3" Cold Hammer Forged Govt Barrel$325.00BRT 16" Cold Hammer Forged Govt BarrelBRT 16" Cold Hammer Forged Govt Barrel$325.00BRT 8.3" OPTIMUM PDW Hammer Forged Chrome Lined Barrel - 556NATOBRT 8.3" OPTIMUM PDW Hammer Forged Chrome Lined Barrel - 556NATO5.0(2)$250.00On SaleBRT M4A1 Bolt Carrier Group C158 HPT/MPI AutoBRT M4A1 Bolt Carrier Group C158 HPT/MPI Autowas $169.00 Save 14%$145.00BRT 18" MATCH STAINLESS Barrel 6ARCBRT 18" MATCH STAINLESS Barrel 6ARC$425.00BRT 12.5" MATCH STAINLESS Barrel 6ARCBRT 12.5" MATCH STAINLESS Barrel 6ARC$425.00BRT EZTUNE Gas Tube - Configurable - MidlengthBRT EZTUNE Gas Tube - Configurable - MidlengthMidlength5.0(15)$64.95BRT EZTUNE Gas Tube - Configurable - CarbineBRT EZTUNE Gas Tube - Configurable - CarbineCarbine5.0(28)$64.95