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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KNS AR15 FIRING PIN RETAINING PIN
KNS Precision Inc.
MSRP: $16.50$10.00Replaces standard cotter pin found in the bolt carrier to retain the firing pin.MANUFACTURER: KNS Precision, Inc.MPN: PERMAMODEL: 0Description: AR-15 Firing Pin Retaining PinType: Bolt Carrier Group PartColor: BlackMSRP: $16.50$10.00 -
KAK CARRIER COMPLETION KIT
KAK Industry
MSRP: $20.72$13.00KAK 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: 304-1002-001MODEL: AR-15 Carrier Completion...MSRP: $20.72$13.00 -
KAK CARRIER COMPLETION KIT CHROME
KAK Industry
MSRP: $26.38$16.00KAK 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: 304-1010-003MODEL: AR-15 Carrier Completion...MSRP: $26.38$16.00 -
FAXON 6.5GREN TYPE 2 9310 BOLT BLK
Faxon Firearms
MSRP: $96.59$65.00Seeing MIL-SPEC as just the starting point, Faxon set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...MSRP: $96.59$65.00 -
FAXON 5.56 9310 BOLT NITRIDE BLK
Faxon Firearms
MSRP: $70.83$48.00Seeing MIL-SPEC as just the starting point, Faxon set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...MSRP: $70.83$48.00 -
FZ EXO BOLT ASSEMBLY
FailZero
MSRP: $113.65$82.00This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion resistance. By reducing friction this bolt assembly...MSRP: $113.65$82.00 -
FZ EXO FIRING PIN
FailZero
MSRP: $18.78$12.00This EXO Nickel Boron coated firing pin provides a permanently lubricious surface for extreme durability and increased wear and corrosion resistance.MANUFACTURER: FailZeroMPN: EXO-FIRINGPIN01MODEL: 0Description: Firing PinType: Firing PinMSRP: $18.78$12.00 -
DBST BOLT REBUILD KIT
Doublestar Corp.
MSRP: $37.79$27.00The bolt rebuild kit provides everything you need to rebuild your AR15 bolt.MANUFACTURER: Doublestar Corp.MPN: AR790MODEL: 0Description: Extractor, Extractor Spring/Pad/Pin, 3 Gas Rings, O-ringType: Bolt Carrier Group PartColor: BlackMSRP: $37.79$27.00 -
DBST BOLT CARRIER REBUILD KIT
Doublestar Corp.
MSRP: $62.99$45.00High quality components and precise manufacturing make ACE 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: Doublestar...MSRP: $62.99$45.00 -
BOOTLEG PHOS BOLT COMPLETION KIT
Bootleg
MSRP: $88.52$64.00Whether you're looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you need. Complete your carrier with quality today!MANUFACTURER: BootlegMPN: BP-ABC-PMODEL: 0Type: Bolt...MSRP: $88.52$64.00 -
RADIAN ENHANCED BCG FOR AR15 BLK NIT R0081
Radian Weapons
MSRP: $262.44$0.00The 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $262.44$0.00Subtotal: -
Out of stock
LUTH AR BOLT COMPONENT KIT AR 15
Luth-AR
MSRP: $39.47$29.00This comprehensive kit includes everything you need to repair or upgrade your rifle's bolt assembly, including an extractor, extractor spring, gas rings, firing pin, and other essential parts. These parts are made from high-quality materials and are...MSRP: $39.47$29.00