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 -
AERO AR9 9MM BCG BLK NITRIDE
Aero Precision
MSRP: $251.99$180.00The Aero Precision EPC/AR9 Bolt is the core of your EPC build. Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision machined from the ground up to...MSRP: $251.99$180.00 -
WMD NIB-X BCG 7.62X39
WMD Guns
MSRP: $245.70$176.00Manufactured by Defense Industrial Base suppliers to WMD's exacting specifications to provide the best BCG available, these BCGs are specifically engineered for NiB-X nickel boron coating to provide long life, high reliability and easy cleaning and...MSRP: $245.70$176.00 -
WMD NIB-X BCG WITHOUT HAMMER 308
WMD Guns
MSRP: $291.38$234.00The NiB-X .308 Bolt Carrier Group provides long life and easy cleaning in the harshest of environments. DPMS compatible.MANUFACTURER: WMD GunsMPN: NIBXBCG308MODEL: 0Description: Carrier Group without HammerFinish: Nib-XType: Bolt Carrier GroupColor:...MSRP: $291.38$234.00 -
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 -
WMD NIB-X BCG WITHOUT HAMMER 556
WMD Guns
MSRP: $206.64$148.00BCG 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: $206.64$148.00 -
WMD NIB-X BCG WITH HAMMER 556
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 -
WILSON BOLT CARRIER ASMBLY 556NATO
Wilson Combat
MSRP: $260.33$186.00Manufactured by their finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts they use as the basis of their renowned custom rifles! Their bolt is precision machined from Carpenter 158, shot...MSRP: $260.33$186.00