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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Out of stock
WMD NIB-X BCG WITHOUT HAMMER 556
WMD Guns
MSRP: $206.64$147.60BCG 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: $206.64$147.60 -
TRUE PRECISION TP-22 BOLT 10/22 BLK
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-BLMODEL: TP22Finish: NitrideType: BoltColor: BlackMSRP: $172.89$123.49 -
Out of stock
TRUE PRECISION TP-22 BOLT 10/22 SS
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-SSMODEL: TP22Finish: Stainless SteelType: BoltColor:...MSRP: $172.89$123.49 -
SPIKE S M16 BOLT CARRIER GROUP BLK
Spike's Tactical
MSRP: $188.94$134.96Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the same BCG Spike's Tactical uses in their factory built rifles.MANUFACTURER: Spike's TacticalMPN: ST5BG01MODEL: M16Description: HPT/MPI BoltFinish:...MSRP: $188.94$134.96 -
Out of stock
SANTAN AR15 ENHNCD BCG 6MM ARC BLK
San Tan Tactical
MSRP: $235.51$168.22San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machine's in conjunction with the highest quality American made materials.MANUFACTURER: San Tan TacticalMPN: STT-Enhanced...MSRP: $235.51$168.22 -
Out of stock
ROSCO 556NATO/300BLK BCG PHOS BLK
Rosco Manufacturing
MSRP: $196.88$140.63These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. Their Rosco Phosphate Bolt Carrier Groups are designed to meet the...MSRP: $196.88$140.63 -
RISE BCG .223/5.56 BLACK
Rise Armament
MSRP: $237.99$169.99High quality components and precise manufacturing make Rise Armament 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: $237.99$169.99 -
Out of stock
RISE LOW MASS BCG .223/5.56 NIB
Rise Armament
MSRP: $312.49$249.99Packing exceptional performance into a lightweight - but full-power - package, RISE Armament designed the RA-1010 Low-Mass Bolt Carrier Group to help you shoot more accurately. With a reduced reciprocating mass during the firing cycle, it lessens recoil...MSRP: $312.49$249.99 -
Out of stock
RADIAN ENHANCED BCG FOR AR15 BLK NIT R0081
Radian Weapons
MSRP: $262.44$209.95The Enhanced Bolt Carrier Group for AR15/M16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All materials, tolerances, and coatings meet or exceed MilSpec...MSRP: $262.44$209.95 -
Out of stock
PHASE5 BOLT CARRIER GROUP M16 BLK
Phase 5 Weapon Systems
MSRP: $210.00$150.00Phase 5's Mil-spec M16/M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt. All bolts are HPT/MPI tested.MANUFACTURER: Phase 5...MSRP: $210.00$150.00 -
POF ROLLER CAM PIN ASSEMBLY 223
Patriot Ordnance Factory
MSRP: $300.00$240.00NP3 coated Roller Cam Pin for piston-operated rifles. Fits gas piston 5.56 carrier.MANUFACTURER: Patriot Ordnance FactoryMPN: 00307MODEL: 223Description: Roller CamFinish: NP3 CoatingType: Bolt Carrier Group PartMSRP: $300.00$240.00 -
Out of stock
LBE 556 BOLT CARRIER GROUP NIB
LBE Unlimited
MSRP: $176.69$126.21The LBE Nickel Boron Complete BCG includes the firing pin, retaining pin, cam pin, extractor and bolt gas rings. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: M16BCG-NIBMODEL: 556Finish: Nickel BoronType: Bolt Carrier GroupColor: SilverMSRP: $176.69$126.21