AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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Out of stock
WMD NIB-X BCG WITHOUT HAMMER 556 BLK
WMD Guns
MSRP: $219.24$156.60BCG 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$156.60 -
WMD NIB-X BCG 7.62X39
WMD Guns
MSRP: $245.70$175.50Manufactured 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$175.50 -
Out of stock
WMD NIB-X BCG WITHOUT HAMMER 308
WMD Guns
MSRP: $291.38$233.10The 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$233.10 -
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 -
Out of stock
WMD NIB-X BCG WITHOUT HAMMER 556
WMD Guns
MSRP: $206.64$147.60BCG 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$147.60 -
Out of stock
WMD NIB-X BCG WITH HAMMER 556
WMD Guns
MSRP: $219.24$156.60BCG 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$156.60 -
Out of stock
TRUE PRECISION TP-22 BOLT 10/22 SS
True Precision
MSRP: $172.89$123.49The TP/22 bolt fits all 10/22 style .22LR firearms. A standard 10/22 charging handle should be used with this bolt on non True Precision 10/22 receivers.MANUFACTURER: True PrecisionMPN: TP-1022BLT-SSMODEL: TP22Finish: Stainless SteelType: BoltColor:...MSRP: $172.89$123.49 -
SPIKE S M16 BOLT CARRIER GROUP BLK
Spike's Tactical
MSRP: $188.94$134.96Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the same BCG Spike's Tactical uses in their factory built rifles.MANUFACTURER: Spike's TacticalMPN: ST5BG01MODEL: M16Description: HPT/MPI BoltFinish:...MSRP: $188.94$134.96 -
Out of stock
SANTAN AR15 ENHNCD BCG 6MM ARC BLK
San Tan Tactical
MSRP: $235.51$168.22San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machine's in conjunction with the highest quality American made materials.MANUFACTURER: San Tan TacticalMPN: STT-Enhanced...MSRP: $235.51$168.22 -
ROSCO 556NATO/300BLK BCG PHOS BLK
Rosco Manufacturing
MSRP: $196.88$140.63These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. Their Rosco Phosphate Bolt Carrier Groups are designed to meet the...MSRP: $196.88$140.63 -
RISE BCG .223/5.56 BLACK
Rise Armament
MSRP: $237.99$127.49High quality components and precise manufacturing make Rise Armament 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:...MSRP: $237.99$127.49 -
Out of stock
RISE LOW MASS BCG .223/5.56 NIB
Rise Armament
MSRP: $312.49$187.49Packing exceptional performance into a lightweight - but full-power - package, RISE Armament designed the RA-1010 Low-Mass Bolt Carrier Group to help you shoot more accurately. With a reduced reciprocating mass during the firing cycle, it lessens recoil...MSRP: $312.49$187.49