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
FZ AR15 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$143.00This 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$143.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$143.00This 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$143.00 -
Out of stock
FZ M16/M4 BOLT CARRIER GROUP
FailZero
MSRP: $217.81$156.00This 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: $217.81$156.00 -
Out of stock
FZ AR10 BCG NO HAMMER BLK
FailZero
MSRP: $304.40$244.00This AR10 Black Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme durability and increases...MSRP: $304.40$244.00 -
Out of stock
FZ 6.5GREN BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00This 6.5 Grendel Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.5 Grendel (Type 2). All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity,...MSRP: $217.81$156.00 -
Out of stock
FZ AR10 BCG NO HAMMER NIB
FailZero
MSRP: $287.50$230.00This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $287.50$230.00 -
Out of stock
FZ M16 BOLT CARRIER GROUP
FailZero
MSRP: $179.93$129.00This 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: $179.93$129.00 -
Out of stock
FZ EXO FIRING PIN
FailZero
MSRP: $18.78$10.00This EXO Nickel Boron coated firing pin provides a permanently lubricious surface for extreme durability and increased wear and corrosion resistance.MANUFACTURER: FailZeroMPN: EXO-FIRINGPIN01MODEL: 0Description: Firing PinType: Firing PinMSRP: $18.78$10.00 -
DBST BCG WITH O RING
Doublestar Corp.
MSRP: $183.39$0.00This complete bolt-and-carrier group easily drops into a standard mil-spec AR-15 upper, and it's ready to shoot. Batch magnetic particle inspected bolt gives long service life. Bolt and carrier feature a matte black phosphate finish that resists heat,...MSRP: $183.39$0.00Qty in Cart: 0Quantity:Price:MSRP: $183.39$0.00Subtotal: -
Out of stock
DD BOLT CARRIER GROUP 5.56
Daniel Defense
MSRP: $285.00$228.00Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly.MANUFACTURER: Daniel DefenseMPN: 04-013-19032MODEL: 556Finish: MatteType: Bolt Carrier GroupColor:...MSRP: $285.00$228.00 -
Out of stock
CMC ENHANCED BCG 6MM ARC NTRD BLK
CMC Triggers
MSRP: $250.74$180.00The CMC Triggers Suppressor Optimized Enhanced Bolt Carrier Group for the New Hornady 6mm ARC is designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC Triggers manufactures the highest quality firearms...MSRP: $250.74$180.00 -
Out of stock
CMC ENHANCED BCG AR15 NTRD MIL-SPEC
CMC Triggers
MSRP: $250.74$180.00High quality components and precise manufacturing make CMC 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: CMC...MSRP: $250.74$180.00