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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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 -
Out of stock
FZ BASIC SEMI KIT BOLT & HAMMER
FailZero
MSRP: $217.81$155.58This 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: $217.81$155.58 -
FZ M16/M4 BOLT CARRIER GROUP
FailZero
MSRP: $217.81$155.58This 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$155.58 -
FZ AR10 BCG NO HAMMER BLK
FailZero
MSRP: $304.40$243.52This 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$243.52 -
FZ 6.5GREN BCG NO HAMMER NIB
FailZero
MSRP: $217.81$155.58This 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$155.58 -
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 -
FZ EXO FIRING PIN
FailZero
MSRP: $18.78$11.38This 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$11.38 -
DBST BOLT CARRIER REBUILD KIT
Doublestar Corp.
MSRP: $62.99$44.99High quality components and precise manufacturing make ACE 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: Doublestar...MSRP: $62.99$44.99 -
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