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
LANTAC 308 ENHANCED BOLT CARRIER GRP
LanTac USA LLC
MSRP: $396.24$317.00This DPMS Style 308 BCG is precision machined from 8620 Steel with a 9310 Precision Hard Ground Bolt. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO process, unlike standard NiB coatings. This...MSRP: $396.24$317.00 -
Out of stock
LANTAC E-BCG 556 SIDE CHARGE NIB
LanTac USA LLC
MSRP: $362.49$290.00Lantac Enhanced Bolt Carrier Group, .223/5.56mm Nickel Boron, Side Charger. This high-quality enhanced bolt carrier group is made from 8620 steel and coated with nickel boron. It ships with three side charger options: knurled steel, smooth steel with a...MSRP: $362.49$290.00 -
Out of stock
LANTAC 556 ENHANCED BCG BLK NITRIDE
LanTac USA LLC
MSRP: $327.49$262.00High quality components and precise manufacturing make Lantac 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: LanTac...MSRP: $327.49$262.00 -
Out of stock
LANTAC 556 ENHANCED BCG TIN
LanTac USA LLC
MSRP: $382.49$306.00M16 Style for increased mass and lock time. This BCG is precision machined from 8620 steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected.MANUFACTURER: LanTac USA LLCMPN: 01-UP-556-TiN-EBCGMODEL: 556 Enhanced...MSRP: $382.49$306.00 -
Out of stock
KAK K-SPEC ENH AR CAR DV SC NP3/CHR
KAK Industry
MSRP: $188.99$135.00The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...MSRP: $188.99$135.00 -
Out of stock
KAK BCG M16 762X39 K-SPEC NP3 TIGRY
KAK Industry
MSRP: $314.99$217.00The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...MSRP: $314.99$217.00 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC SV CHR
KAK Industry
MSRP: $274.99$220.00The K-SPEC Enhanced AR-15 BCG is engineered for peak performance in 5.56 and 300 Blackout rifles, offering unparalleled reliability, whether you're operating with a suppressor or in the cleanest of conditions. This BCG is a testament to KAK Industry's...MSRP: $274.99$220.00 -
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
FZ 7.62X39 BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00This 7.62x39 Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil-spec upper receivers chambered in 7.62x39. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...MSRP: $217.81$156.00 -
Out of stock
FZ 9MM BCG NO HAMMER NICKEL BORON
FailZero
MSRP: $265.19$190.00This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are coated with EXO...MSRP: $265.19$190.00 -
Out of stock
FZ AR15 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$143.00This 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: $198.88$143.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$143.00This 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$143.00