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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WMD NIB-X BCG WITHOUT HAMMER 308
WMD Guns
MSRP: $291.38$234.00The NiB-X .308 Bolt Carrier Group provides long life and easy cleaning in the harshest of environments. DPMS compatible.MANUFACTURER: WMD GunsMPN: NIBXBCG308MODEL: 0Description: Carrier Group without HammerFinish: Nib-XType: Bolt Carrier GroupColor:...MSRP: $291.38$234.00 -
WILSON BOLT CARRIER ASMBLY 556NATO
Wilson Combat
MSRP: $260.33$186.00Manufactured by their finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts they use as the basis of their renowned custom rifles! Their bolt is precision machined from Carpenter 158, shot...MSRP: $260.33$186.00 -
SPIKE S M16 BOLT CARRIER GROUP LW
Spike's Tactical
MSRP: $281.25$225.00Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical Lightweight BCG with Nickel Boron Coating.MANUFACTURER: Spike's TacticalMPN: ST5BG05MODEL: M16Description: HPT/MPI BoltFinish:...MSRP: $281.25$225.00 -
SPIKE S BCG 5.56 NIB
Spike's Tactical
MSRP: $253.13$203.00Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical BCG with Nickel Boron Coating.MANUFACTURER: Spike's TacticalMPN: ST5BG03MODEL: 0Description: Bolt Carrier GroupFinish: Nickel...MSRP: $253.13$203.00 -
SOLGW SCALPER BOLT CARRIER GROUP
Sons of Liberty Gun Works
MSRP: $272.93$199.00Sons of Liberty looks at the bolt carrier group as the heart of the gun. If the gas port is the lungs, then the bolt carrier group is the heart. It's what drives the entire gun. If you look at the AR platform's cycle of operations, everything happens...MSRP: $272.93$199.00 -
SANTAN AR10 ENHNCD BCG 308 NTRD BLK
San Tan Tactical
MSRP: $317.00$261.00High quality components and precise manufacturing make San Tan Tactical 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: $317.00$261.00 -
RISE LOW MASS BCG .223/5.56 NIB
Rise Armament
MSRP: $312.49$250.00Packing 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$250.00 -
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 -
LUTH AR BCG COMPLETE LR-308
Luth-AR
MSRP: $263.19$202.00High quality components and precise manufacturing make LuthAR 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: $263.19$202.00 -
LBE 308 BOLT CARRIER GROUP
LBE Unlimited
MSRP: $268.03$213.00LBE .308 Bolt Carrier Group (DPMS Style). Billet carrier machined from 8620 Steel and Case Hardened.MANUFACTURER: LBE UnlimitedMPN: AR10BCGMODEL: 308Description: Fits DPMS Style .308 UppersType: Bolt Carrier GroupColor: BlackMSRP: $268.03$213.00 -
LANTAC 556 ENHANCED BCG NICKEL BORON
LanTac USA LLC
MSRP: $327.49$262.00Lantac's new BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO...MSRP: $327.49$262.00 -
LANTAC M-SPEC BCG 762 NITRIDE BLK
LanTac USA LLC
MSRP: $276.24$221.00Not every customer has the requirement or budget for a fully enhanced, top of the line AR15 accessory. Many users simply need a quality milspec component supplied at a sensible price. M-SPEC is a range of AR15 accessories and components that follow the...MSRP: $276.24$221.00