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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CMMG M16/AR FIRING PIN RETAINER
CMMG
MSRP: $1.63$1.00Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories.MANUFACTURER: CMMGMPN: 55BA4C5MODEL: Firing Pin RetainerColor: SilverMSRP: $1.63$1.00 -
CMMG M16/AR FIRING PIN SILVER
CMMG
MSRP: $15.18$11.00Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories.MANUFACTURER: CMMGMPN: 55BA41CMODEL: Firing PinColor: SilverMSRP: $15.18$11.00 -
ARMASPEC AR10 FIRING PIN
Armaspec
MSRP: $32.65$20.00The Armaspec Firing Pins are made out of 17-4 Stainless Steel and H900 hardenedMANUFACTURER: ArmaspecMPN: ARM683-SSMODEL: AR10 Firing PinFinish: Stainless SteelColor: SilverMSRP: $32.65$20.00 -
ARMASPEC AR9 FIRING PIN
Armaspec
MSRP: $25.23$16.00The Armaspec Firing Pins are made out of 17-4 Stainless Steel and H900 hardenedMANUFACTURER: ArmaspecMPN: ARM682-SSMODEL: AR9 Firing PinFinish: Stainless SteelColor: SilverMSRP: $25.23$16.00 -
ARMASPEC AR15 FIRING PIN
Armaspec
MSRP: $25.23$16.00The Armaspec Firing Pins are made out of 17-4 Stainless Steel and H900 hardenedMANUFACTURER: ArmaspecMPN: ARM681-SSMODEL: AR-15 Firing PinFinish: Stainless SteelColor: SilverMSRP: $25.23$16.00 -
WMD NIB-X BOLT ASSEMBLY 556
WMD Guns
MSRP: $88.20$63.00WMD's 5.56 Bolt Assembly-Optimized for performance. The bolt was engineered for NiB-X nickel boron coating to provide long life, ease of cleaning and superior locking and unlocking action with barrel extensions.MANUFACTURER: WMD GunsMPN:...MSRP: $88.20$63.00 -
POF ROLLER CAM PIN ASSEMBLY 308
Patriot Ordnance Factory
MSRP: $37.80$27.00NP3 coated Roller Cam Pin for POF P308 (7.62 model).MANUFACTURER: Patriot Ordnance FactoryMPN: 00306MODEL: 308Description: Roller CamFinish: NP3 CoatingType: Bolt Carrier Group PartMSRP: $37.80$27.00 -
LBE AR BOLT KIT
LBE Unlimited
MSRP: $82.24$59.00The LBE AR Bolt Kit includes the bolt, firing pin, cam pin and firing pin retaining pin. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARBLTKTMODEL: 0Description: Bolt, Firing Pin, Cam Pin, and Retaining PinType: Bolt Carrier Group PartColor: BlackMSRP: $82.24$59.00 -
LBE AR15/M16 BCG CAM PIN
LBE Unlimited
MSRP: $7.72$5.00This is the LBE cam pin for AR15/M16 bolt carrier groups. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARCPNMODEL: AR-15/M16Description: Cam PinType: Bolt Carrier Group PartColor: BlackMSRP: $7.72$5.00 -
LBE AR15 FIRING PIN
LBE Unlimited
MSRP: $11.04$7.00The LBE AR-15 Firing Pin is made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARFPNMODEL: AR-15Type: Firing PinColor: BlackMSRP: $11.04$7.00 -
LBE AR BOLT GAS RINGS (SET OF 3)
LBE Unlimited
MSRP: $3.47$3.00AR-15 Bolt Gas Rings. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARBGRMODEL: Bolt Gas RingsDescription: Set of 3Type: Bolt Carrier Group PartMSRP: $3.47$3.00 -
LBE AR15 BOLT CARRIER GAS KEY BLK
LBE Unlimited
MSRP: $29.40$21.00High quality components and precise manufacturing make LBE 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. This LBE AR15 Bolt...MSRP: $29.40$21.00