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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FAXON 5.56 M16 BCG TIN
Faxon Firearms
MSRP: $256.31$171.64Seeing MIL-SPEC as just the starting point, they 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: $256.31$171.64 -
FAXON 6.5 GRENDEL TYPE 2 BCG
Faxon Firearms
MSRP: $212.52$142.31Seeing MIL-SPEC as just the starting point, they 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: $212.52$142.31 -
FAXON 6.5GREN TYPE 2 9310 BOLT BLK
Faxon Firearms
MSRP: $96.59$64.68Seeing 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$64.68 -
FAXON GEN 2 9MM PCC FULL-MASS BCG
Faxon Firearms
MSRP: $212.52$142.31Purpose-built for 9mm AR-15 pistol caliber carbines, their Generation 2 PCC blow-back carriers keep the features of their well-loved first BCG with modern improvements. They maintain the dual COLT/GLOCK compatible geometry, user-removable weight and...MSRP: $212.52$142.31 -
FAXON 5.56 GUNNER LW 9310 BCG NTRD
Faxon Firearms
MSRP: $286.35$214.76The Faxon 5.56 Gunner Lightweight 9310 Bolt Carrier Complete is a top-quality upgrade for your AR-15 rifle. This complete bolt carrier group is designed to improve the overall performance and reliability of your rifle, while also reducing its overall...MSRP: $286.35$214.76 -
FAXON 5.56 M16 BCG BLK
Faxon Firearms
MSRP: $186.76$125.06The Faxon 5.56 M16 Bolt Carrier Group, Nitride is a high-performance and reliable upgrade for your AR-15 rifle. This bolt carrier group is designed for optimal performance and is made from top-quality materials, ensuring durability and longevity. The...MSRP: $186.76$125.06 -
FAXON 5.56 9310 BOLT NITRIDE BLK
Faxon Firearms
MSRP: $70.83$47.43Seeing 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$47.43 -
FZ 6.8SPC BCG NO HAMMER NIB
FailZero
MSRP: $217.81$155.58This 6.8 SPC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.8 SPC. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...MSRP: $217.81$155.58 -
FZ 450 BUSHMASTER NO HAMMER NIB
FailZero
MSRP: $217.81$155.58This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .450 Bushmaster Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanents dry lubricity, extreme durability, increase...MSRP: $217.81$155.58 -
FZ AR15 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$142.06This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $198.88$142.06 -
FZ M16/M4 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$142.06This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...MSRP: $198.88$142.06 -
FZ LIGHTWEIGHT BOLT CARRIER GROUP
FailZero
MSRP: $254.19$203.35This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $254.19$203.35