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
LBE 308 BOLT CARRIER GROUP
LBE Unlimited
MSRP: $268.03$191.45LBE .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$191.45 -
LBE AR BOLT GAS RINGS (SET OF 3)
LBE Unlimited
MSRP: $3.47$2.10AR-15 Bolt Gas Rings. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARBGRMODEL: Bolt Gas RingsDescription: Set of 3Type: Bolt Carrier Group PartMSRP: $3.47$2.10 -
Out of stock
LANTAC 556 ENHANCED BCG NICKEL BORON
LanTac USA LLC
MSRP: $327.49$261.99Lantac'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$261.99 -
Out of stock
LANTAC 308 ENHANCED BOLT CARRIER GRP
LanTac USA LLC
MSRP: $396.24$316.99This 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$316.99 -
Out of stock
LANTAC E-BCG 556 SIDE CHARGE NIB
LanTac USA LLC
MSRP: $362.49$289.99Lantac 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$289.99 -
Out of stock
LANTAC 308 ENHANCED BCG BLK NITRIDE
LanTac USA LLC
MSRP: $396.24$316.99High 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: $396.24$316.99 -
Out of stock
LANTAC 556 ENHANCED BCG BLK NITRIDE
LanTac USA LLC
MSRP: $327.49$261.99High 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$261.99 -
Out of stock
LANTAC M-SPEC BCG 762 NITRIDE BLK
LanTac USA LLC
MSRP: $276.24$220.99Not 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$220.99 -
Out of stock
LANTAC 556 MILSPEC+ BCG BLK NITRIDE
LanTac USA LLC
MSRP: $239.39$170.99High 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: $239.39$170.99 -
Out of stock
LANTAC 556 ENHANCED BCG TIN
LanTac USA LLC
MSRP: $382.49$305.99M16 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$305.99 -
Out of stock
LANTAC M-SPEC BCG 556 TIN
LanTac USA LLC
MSRP: $279.99$199.99Not 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: $279.99$199.99 -
Out of stock
KAK K-SPEC ENH AR BOLT 556/300BLK PH
KAK Industry
MSRP: $113.39$80.99The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...MSRP: $113.39$80.99