BCG
Gas & Brass Armory offers a trusted selection of AR-15 Bolt Carrier Groups (BCGs) for your rifle builds in Brandon, FL. Whether you're looking for a reliable mil-spec BCG or a premium enhanced model, we stock top brands like Aero Precision, BCM, FailZero, and Toolcraft. Choose from phosphate, nitride, or nickel boron finishes, with full-auto and lightweight options available. All BCGs are built to perform under pressure and keep your rifle cycling reliably.
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FZ 9MM BCG NO HAMMER BLK NITRIDE
FailZero
MSRP: $208.35$148.82This 9mm Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are...MSRP: $208.35$148.82 -
FZ M16/M4 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$142.06This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...MSRP: $198.88$142.06 -
FZ M16/M4 BCG NO HAMMER BLK NIT
FailZero
MSRP: $149.63$106.88High quality components and precise manufacturing make FailZero parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER:...MSRP: $149.63$106.88 -
FZ AR15 BOLT CARRIER GROUP
FailZero
MSRP: $179.93$128.52This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $179.93$128.52 -
CMMG BOLT CARRIER GROUP M16 556
CMMG
MSRP: $212.31$151.65Complete Mil Spec M16 bolt carrier group.MANUFACTURER: CMMGMPN: 55BA419MODEL: 0Type: Bolt Carrier GroupColor: BlackMSRP: $212.31$151.65 -
BAD M4/M16 STANDARD BCG
Battle Arms Development
MSRP: $189.00$135.00The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components...MSRP: $189.00$135.00 -
ANGSTADT AR15 BCG 45ACP BLK
Angstadt Arms
MSRP: $222.60$159.00This 45 ACP bolt carrier group is compatible with GLOCK 45 ACP AR-15 (AR-45) builds. It features removable weight for use with the Law Tactical folding stock adapter.MANUFACTURER: Angstadt ArmsMPN: AA45BCGNITMODEL: 0Description: Bolt Carrier GroupType:...MSRP: $222.60$159.00 -
Out of stock
WMD NIB-X BCG WITH HAMMER 556
WMD Guns
MSRP: $219.24$156.60BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...MSRP: $219.24$156.60 -
TRUE PRECISION TP-22 BOLT 10/22 SPEC
True Precision
MSRP: $172.89$123.49The TP/22 bolt fits all 10/22 style .22LR firearms. A standard 10/22 charging handle should be used with this bolt on non True Precision 10/22 receivers.MANUFACTURER: True PrecisionMPN: TP-1022BLT-SMODEL: TP22Finish: PVDType: BoltColor: Spectrum (Rainbow...MSRP: $172.89$123.49 -
TRUE PRECISION TP-22 BOLT 10/22 CPR
True Precision
MSRP: $172.89$123.49The TP/22 bolt fits all 10/22 style .22LR firearms. A standard 10/22 charging handle should be used with this bolt on non True Precision 10/22 receivers.MANUFACTURER: True PrecisionMPN: TP-1022BLT-CMODEL: TP22Finish: PVDType: BoltColor: CopperMSRP: $172.89$123.49 -
TRUE PRECISION TP-22 BOLT 10/22 GLD
True Precision
MSRP: $172.89$123.49The TP/22 bolt fits all 10/22 style .22LR firearms. A standard 10/22 charging handle should be used with this bolt on non True Precision 10/22 receivers.MANUFACTURER: True PrecisionMPN: TP-1022BLT-GMODEL: TP22Finish: Titanium NitrideType: BoltColor: GoldMSRP: $172.89$123.49 -
ROSCO 556NATO/300BLK BCG MELONITE BK
Rosco Manufacturing
MSRP: $190.09$135.78The Rosco Melonited Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring you the product you need, not just the one they want to...MSRP: $190.09$135.78