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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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  • BALLISTIC BBL 5.56 13.7 MID GOV 1/7

    BALLISTIC BBL 5.56 13.7 MID GOV 1/7

    Ballistic Advantage

    MSRP: $226.10
    $0.00
    The Ballistic Advantage 5.56 chambered 13.7inch Government Profile Mid-Length Modern Series Barrel is machined from CrMoV steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.MANUFACTURER: Ballistic AdvantageMPN:...
    MSRP: $226.10
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    MSRP: $226.10
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  • BALLISTIC BBL 5.56 10.3 CLASSIC SRS

    BALLISTIC BBL 5.56 10.3 CLASSIC SRS

    Ballistic Advantage

    MSRP: $226.10
    $0.00
    At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision, and beautifully contoured aesthetics. BA's engaged team of engineers...
    MSRP: $226.10
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    MSRP: $226.10
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  • BALLISTIC BBL 5.56 12.5 CAR GOV 1/7

    BALLISTIC BBL 5.56 12.5 CAR GOV 1/7

    Ballistic Advantage

    MSRP: $212.80
    $0.00
    This 5.56 chambered 12.5 inch Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply. You may use this barrel with a...
    MSRP: $212.80
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  • BALLISTIC BBL 5.56 11.5 CAR GOV 1/7

    BALLISTIC BBL 5.56 11.5 CAR GOV 1/7

    Ballistic Advantage

    MSRP: $206.15
    $0.00
    At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision, and beautifully contoured aesthetics. BA's engaged team of engineers...
    MSRP: $206.15
    $0.00
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    MSRP: $206.15
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  • ANGSTADT 10.5 BBL 9MM AR BLK

    ANGSTADT 10.5 BBL 9MM AR BLK

    Angstadt Arms

    MSRP: $189.00
    $0.00
    A 10.5" 9mm lightweight profile barrel made from 4150 chrome-moly steel with a 1-10" twist rate and 1/2x28 thread pitch.MANUFACTURER: Angstadt ArmsMPN: AA0910BB28MODEL: 0Barrel Length: 10.5"Description: 1/2X28Fit: AR RiflesCaliber: 9MMType: BarrelColor:...
    MSRP: $189.00
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    MSRP: $189.00
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  • ANGSTADT 9MM 6 AR BARREL 1/2X28

    ANGSTADT 9MM 6 AR BARREL 1/2X28

    Angstadt Arms

    MSRP: $151.20
    $0.00
    A 6" 9mm lightweight profile barrel made from 4150 chrome-moly steel with a 1-10" twist rate and 1/2x28 thread pitch.MANUFACTURER: Angstadt ArmsMPN: AA0906BB28MODEL: 0Barrel Length: 6"Description: 1/2X28Fit: AR RiflesCaliber: 9MMType: BarrelColor: Black
    MSRP: $151.20
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  • ANGSTADT MDP-9 CMPLT UPPR 9MM 6 BLK

    ANGSTADT MDP-9 CMPLT UPPR 9MM 6 BLK

    Angstadt Arms

    MSRP: $1,452.05
    $0.00
    High quality components and precise manufacturing makes Angstadt Arms ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER: Angstadt...
    MSRP: $1,452.05
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  • ANGSTADT CMPLT UPPR 9MM 6 BLK

    ANGSTADT CMPLT UPPR 9MM 6 BLK

    Angstadt Arms

    MSRP: $620.99
    $0.00
    Angstadt Arms complete upper receiver pistol assembly is ready to run out of the box with any 9mm AR-15 lower receiver. Featuring the same high quality parts that go into their UDP-9 pistol, this completed upper receiver is compatible with both GLOCK and...
    MSRP: $620.99
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  • ANGSTADT CMPLT UPPR 9MM 6 SUP RDY

    ANGSTADT CMPLT UPPR 9MM 6 SUP RDY

    Angstadt Arms

    MSRP: $776.24
    $0.00
    Angstadt Arms complete upper receiver assembly is ready to run out of the box with a sound suppressor! This pistol upper features a 9mm 3-lug muzzle brake, Blastwave blast shield and Radian Weapons Ambidextrous charging handle. Compatible with any 9mm...
    MSRP: $776.24
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  • AERO M4E1-T UPPER 300BLK 8 FDE

    AERO M4E1-T UPPER 300BLK 8 FDE

    Aero Precision

    MSRP: $655.49
    $0.00
    This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS...
    MSRP: $655.49
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  • AERO M4E1-T UPPER 300BLK 8 BLK

    AERO M4E1-T UPPER 300BLK 8 BLK

    Aero Precision

    MSRP: $615.24
    $0.00
    This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS...
    MSRP: $615.24
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    MSRP: $615.24
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  • AERO M4E1-T UPPER 5.56 10.5 FDE

    AERO M4E1-T UPPER 5.56 10.5 FDE

    Aero Precision

    MSRP: $655.49
    $0.00
    This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS...
    MSRP: $655.49
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