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AR15 Parts

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 LIGHTWEIGHT BOLT CARRIER GROUP

    FZ LIGHTWEIGHT BOLT CARRIER GROUP

    FailZero

    MSRP: $254.19
    $204.00
    This 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
    $204.00
    Qty in Cart: 0
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    MSRP: $254.19
    $204.00
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  • FZ BASIC SEMI KIT BOLT & HAMMER

    FZ BASIC SEMI KIT BOLT & HAMMER

    FailZero

    MSRP: $217.81
    $156.00
    This 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
    $156.00
    Qty in Cart: 0
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    MSRP: $217.81
    $156.00
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  • FZ EXO BOLT ASSEMBLY

    FZ EXO BOLT ASSEMBLY

    FailZero

    MSRP: $113.65
    $82.00
    This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion resistance. By reducing friction this bolt assembly...
    MSRP: $113.65
    $82.00
    Qty in Cart: 0
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    MSRP: $113.65
    $82.00
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  • FZ M16/M4 BOLT CARRIER GROUP

    FZ M16/M4 BOLT CARRIER GROUP

    FailZero

    MSRP: $217.81
    $156.00
    This 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
    Qty in Cart: 0
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    MSRP: $217.81
    $156.00
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  • FZ AR15 BOLT CARRIER GROUP

    FZ AR15 BOLT CARRIER GROUP

    FailZero

    MSRP: $179.93
    $129.00
    This 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: $179.93
    $129.00
    Qty in Cart: 0
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    MSRP: $179.93
    $129.00
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  • FZ 6.5GREN BCG NO HAMMER NIB

    FZ 6.5GREN BCG NO HAMMER NIB

    FailZero

    MSRP: $217.81
    $156.00
    This 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
    Qty in Cart: 0
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    MSRP: $217.81
    $156.00
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  • FZ M16 BOLT CARRIER GROUP

    FZ M16 BOLT CARRIER GROUP

    FailZero

    MSRP: $179.93
    $129.00
    This 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
    Qty in Cart: 0
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    MSRP: $179.93
    $129.00
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  • FZ EXO FIRING PIN

    FZ EXO FIRING PIN

    FailZero

    MSRP: $18.78
    $12.00
    This 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 Pin
    MSRP: $18.78
    $12.00
    Qty in Cart: 0
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    MSRP: $18.78
    $12.00
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  • DBST BOLT REBUILD KIT

    DBST BOLT REBUILD KIT

    Doublestar Corp.

    MSRP: $37.79
    $27.00
    The bolt rebuild kit provides everything you need to rebuild your AR15 bolt.MANUFACTURER: Doublestar Corp.MPN: AR790MODEL: 0Description: Extractor, Extractor Spring/Pad/Pin, 3 Gas Rings, O-ringType: Bolt Carrier Group PartColor: Black
    MSRP: $37.79
    $27.00
    Qty in Cart: 0
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    MSRP: $37.79
    $27.00
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  • DBST BOLT CARRIER REBUILD KIT

    DBST BOLT CARRIER REBUILD KIT

    Doublestar Corp.

    MSRP: $62.99
    $45.00
    High 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
    $45.00
    Qty in Cart: 0
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    MSRP: $62.99
    $45.00
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  • DD BOLT CARRIER GROUP 5.56

    DD BOLT CARRIER GROUP 5.56

    Daniel Defense

    MSRP: $285.00
    $228.00
    Daniel 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
    Qty in Cart: 0
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    MSRP: $285.00
    $228.00
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  • CMMG BOLT CARRIER GROUP M16 556

    CMMG BOLT CARRIER GROUP M16 556

    CMMG

    MSRP: $212.31
    $152.00
    Complete Mil Spec M16 bolt carrier group.MANUFACTURER: CMMGMPN: 55BA419MODEL: 0Type: Bolt Carrier GroupColor: Black
    MSRP: $212.31
    $152.00
    Qty in Cart: 0
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    MSRP: $212.31
    $152.00
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