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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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  • LANTAC RVN BLLT BUILDER SET 6.75 RL

    LANTAC RVN BLLT BUILDER SET 6.75 RL

    LanTac USA LLC

    MSRP: $754.39
    $656.00
    The Lantac AR-15 builder set includes an upper and lower receiver, along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...
    MSRP: $754.39
    $656.00
    Qty in Cart: 0
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    MSRP: $754.39
    $656.00
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  • LANTAC SF FRGD BUILDER SET 13.5 RL

    LANTAC SF FRGD BUILDER SET 13.5 RL

    LanTac USA LLC

    MSRP: $591.66
    $515.00
    Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...
    MSRP: $591.66
    $515.00
    Qty in Cart: 0
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    MSRP: $591.66
    $515.00
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  • LANTAC SF FRGD BUILDER SET 12.5 RL

    LANTAC SF FRGD BUILDER SET 12.5 RL

    LanTac USA LLC

    MSRP: $587.06
    $511.00
    Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...
    MSRP: $587.06
    $511.00
    Qty in Cart: 0
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    MSRP: $587.06
    $511.00
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  • LANTAC SF FRGD BUILDER SET 6.75 RL

    LANTAC SF FRGD BUILDER SET 6.75 RL

    LanTac USA LLC

    MSRP: $614.36
    $492.00
    Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...
    MSRP: $614.36
    $492.00
    Qty in Cart: 0
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    MSRP: $614.36
    $492.00
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  • GGP BILLET LOWER RCVR

    GGP BILLET LOWER RCVR

    Grey Ghost Precision

    MSRP: $170.65
    $122.00
    The MKII version of the GGP-S Series brings a new level of customizability never before seen in our rifle receivers. Not only can you build your own version of the Heavy or Light rifle, but you can use your favorite aftermarket parts to complete the...
    MSRP: $170.65
    $122.00
    Qty in Cart: 0
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    MSRP: $170.65
    $122.00
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  • FORTIS LICENSE GEN II AR15 LWR STD

    FORTIS LICENSE GEN II AR15 LWR STD

    Fortis Manufacturing Inc.

    MSRP: $279.00
    $224.00
    Introducing the Fortis License Lower Receiver. Made from 7075 T6 billet aluminum. The GEN II has all the same features from the first edition, but with added integrated carbon fiber.MANUFACTURER: Fortis Manufacturing, Inc.MPN: L-7075-GEN2-SMODEL: License...
    MSRP: $279.00
    $224.00
    Qty in Cart: 0
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    MSRP: $279.00
    $224.00
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  • FMK AR15 POLYMER LOWER RECEIVER BLUE

    FMK AR15 POLYMER LOWER RECEIVER BLUE

    FMK Firearms

    MSRP: $55.93
    $40.00
    Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the...
    MSRP: $55.93
    $40.00
    Qty in Cart: 0
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    MSRP: $55.93
    $40.00
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  • FMK AR15 POLYMER LOWER RECEIVER BB

    FMK AR15 POLYMER LOWER RECEIVER BB

    FMK Firearms

    MSRP: $44.79
    $33.00
    Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the...
    MSRP: $44.79
    $33.00
    Qty in Cart: 0
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    MSRP: $44.79
    $33.00
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  • FAXON RECEIVER KIT FOR 10/22 BLK

    FAXON RECEIVER KIT FOR 10/22 BLK

    Faxon Firearms

    MSRP: $238.28
    $171.00
    The Faxon 10/22 Receiver Kit provides a quick and easy upgrade of your Ruger 10/22, or serves as the cornerstone for your next 10/22 rifle build. Faxon 10/22 Receivers are compatible with all Ruger OEM 10/22 non-takedown components, all Faxon Rimfire...
    MSRP: $238.28
    $171.00
    Qty in Cart: 0
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    MSRP: $238.28
    $171.00
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  • BCM LOWER GROUP W/BCM STK MOD0 FDE

    BCM LOWER GROUP W/BCM STK MOD0 FDE

    Bravo Company

    MSRP: $603.75
    $525.00
    Exacting construction and rigorous durability are the standard for every weapon system that comes off the line at BCM. BCM Professional Grade Weaponry are hard use tools, built to perform in combat where unfailing performance is the only standard for men...
    MSRP: $603.75
    $525.00
    Qty in Cart: 0
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    MSRP: $603.75
    $525.00
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  • BCM GUNFIGHTER LOWER GROUP SPMD BLK

    BCM GUNFIGHTER LOWER GROUP SPMD BLK

    Bravo Company

    MSRP: $603.75
    $525.00
    The Bravo Company Manufacturing Complete AR-15 Lower Receiver is built to Mil-Spec ensuring compatibility with a wide range of parts and accessories. This AR-15 lower comes fully assembled and ready to attach to any Mil-Spec complete upper. The receiver...
    MSRP: $603.75
    $525.00
    Qty in Cart: 0
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    MSRP: $603.75
    $525.00
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  • BCM LOWER GROUP W/BCM STK MOD 0 BLK

    BCM LOWER GROUP W/BCM STK MOD 0 BLK

    Bravo Company

    MSRP: $603.75
    $525.00
    BCM rifles and carbines are some of the highest quality modern sporting rifles on the market today. Whether it's competition, defense, hunting or duty, BCM offers a rifle for the task at hand.MANUFACTURER: Bravo CompanyMPN: LRG-STK-MOD-0-BLKMODEL:...
    MSRP: $603.75
    $525.00
    Qty in Cart: 0
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    MSRP: $603.75
    $525.00
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