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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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 9MM BLK
Angstadt Arms
MSRP: $222.60$159.00This 9mm bolt carrier group is compatible with both GLOCK and Colt style 9mm AR-15 magazines without any further modifications. It features removable weight for use with the Law Tactical folding stock adapter.MANUFACTURER: Angstadt ArmsMPN:...MSRP: $222.60$159.00 -
ANGSTADT AR15 BCG 556NATO BLK
Angstadt Arms
MSRP: $170.80$122.00The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful...MSRP: $170.80$122.00 -
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 WITHOUT HAMMER 556 BLK
WMD Guns
MSRP: $219.24$157.00BCG 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$157.00 -
Out of stock
ROSCO 556NATO/300BLK BCG PHOS BLK
Rosco Manufacturing
MSRP: $196.88$141.00These 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$141.00 -
Out of stock
ROSCO 556NATO/300BLK BCG MELONITE BK
Rosco Manufacturing
MSRP: $190.09$136.00The 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$136.00 -
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 -
Out of stock
PHASE5 BOLT CARRIER GROUP AR15 BLK
Phase 5 Weapon Systems
MSRP: $210.00$150.00Phase 5's Mil-spec AR-15 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 -
Out of stock
MIDWEST 5.56/AR15 BLACK NITRIDE BCG
Midwest Industries
MSRP: $221.13$158.00High quality components and precise manufacturing make Midwest Industries 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...MSRP: $221.13$158.00 -
Out of stock
KAK AR15 BCG M16 556 CHROME SLV
KAK Industry
MSRP: $163.79$117.00KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.MANUFACTURER: KAK IndustryMPN: 425-0505-001MODEL: Bolt Carrier...MSRP: $163.79$117.00 -
Out of stock
KAK AR15 BCG M16 556/300 CLP BLK
KAK Industry
MSRP: $163.79$117.00Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...MSRP: $163.79$117.00