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From rare destructive device components like M203 grenade launcher parts and hard-to-find AR-10 builder essentials, to duty-grade field support, premium knives, and precision aiming systems, we supply the equipment required for serious operators, armorers, and enthusiasts. Browse our curated, severe-duty inventory below.

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  • Out of stock
    Barrett - 50 BMG Rifle Magazine 10 Rounds Fits M107A1 Rifles - 12808 - 816715012449 - Boss Firearms - BossFirearms.com Barrett - 50 BMG Rifle Magazine 10 Rounds Fits M107A1 Rifles - 12808 - 816715012449 - Boss Firearms - BossFirearms.com

    Barrett - 50 BMG Rifle Magazine 10 Rounds Fits M107A1 Rifles - #12808

    Barrett Firearms

    $190.00
    Barrett - 50 BMG Rifle Magazine 10 Rounds Fits M107A1 Rifles - 12808 - 816715012449 - Boss Firearms - BossFirearms.com This Barrett factory magazine features an anti-tilt follower and stress-relieved...
    $190.00
    Qty in Cart: 0
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    $190.00
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  • On Sale
    Unity Tactical - ModButton Lite - MBL-BLK-SF-4.5 - 810007880525 - Boss Firearms - BossFirearms.com

    Unity Tactical - ModButton Lite 4.5" - MBL-BLK-SF-4.5

    Unity Tactical

    Now: $78.00
    Was: $86.00
    The Unity Tactical ModButton Lite 4.5" (MBL-BLK-SF-4.5) is a compact weapon light activation system designed for use with SureFire Scout Series and compatible weapon lights. The ModButton Lite...
    Now: $78.00
    Was: $86.00
    Qty in Cart: 0
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    Now: $78.00
    Was: $86.00
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  • On Sale
    Sig Sauer - Tapered Barrel Muzzle Adapter 7.62mm - TAPER-CAP-762 - Boss Firearms - BossFirearms.com

    Sig Sauer - Tapered Barrel Muzzle Adapter 7.62mm - TAPER-CAP-762

    Sig Sauer

    Now: $22.65
    Was: $24.99
    The Sig Sauer Tapered Barrel Muzzle Adapter for 7.62mm (TAPER-CAP-762) is an adapter that converts a Sig Sauer tapered (unthreaded) barrel profile to a threaded interface, enabling use of...
    Now: $22.65
    Was: $24.99
    Qty in Cart: 0
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    Now: $22.65
    Was: $24.99
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  • Out of stock
    On Sale
    HUXWRX - Flash Hider-QD 7.62MM 5/8X24 - 1799 - 1677 - 706433763245- Boss Firearms - BossFirearms.com HUXWRX - Flash Hider-QD 7.62MM 5/8X24 - 1799 - 1677 - 706433763245- Boss Firearms - BossFirearms.com

    HUXWRX - Flash Hider-QD 7.62MM 5/8X24 - #1799

    HUXWRX Safety Company

    Now: $142.00
    Was: $175.00
    The Flash Hider-QD is designed to mitigate flash with unsuppressed. NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible with larger...
    Now: $142.00
    Was: $175.00
    Qty in Cart: 0
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    Now: $142.00
    Was: $175.00
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  • On Sale
    HUXWRX - Flash Hider-QD 223 Remington/556NATO 1/2X28 - 1677 - 706433763016 - Boss Firearms - BossFirearms.com HUXWRX - Flash Hider-QD 223 Remington/556NATO 1/2X28 - 1677 - 706433763016 - Boss Firearms - BossFirearms.com

    HUXWRX - Flash Hider-QD 223 Remington/556NATO 1/2X28 - 1677

    HUXWRX Safety Company

    Now: $129.00
    Was: $159.00
    The Flash Hider-QD is designed to mitigate flash with unsuppressed. NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible with larger...
    Now: $129.00
    Was: $159.00
    Qty in Cart: 0
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    Now: $129.00
    Was: $159.00
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  • Out of stock
    On Sale
    HUXWRX - Muzzle Break QD 7.62MM 5/8X24 - 1574 - 706433762736- Boss Firearms - BossFirearms.com HUXWRX - Muzzle Break QD 7.62MM 5/8X24 - 1574 - 706433762736- Boss Firearms - BossFirearms.com

    HUXWRX - Muzzle Break QD 7.62MM 5/8X24 - #1574

    HUXWRX Safety Company

    Now: $138.00
    Was: $172.00
    The Muzzle Brake-QD is designed for maximum recoil reduction when unsuppressed. NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible...
    Now: $138.00
    Was: $172.00
    Qty in Cart: 0
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    Now: $138.00
    Was: $172.00
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  • Out of stock
    On Sale
    LMT Defense - M203 37MM Flare Launcher - M203FL - Boss Firearms - BossFirearms.com

    LMT Defense - M203 37MM Flare Launcher - #M203FL

    LMT Defense

    MSRP: $1,635.00
    Now: $1,471.50
    Was: $1,516.50
    If you're looking for a replica 40MM launcher with the exact function and feel of the original military specification M203, look no further! The LMT 37MM Flare Launcher is as close to the destructive...
    MSRP: $1,635.00
    Now: $1,471.50
    Was: $1,516.50
    Qty in Cart: 0
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    MSRP: $1,635.00
    Now: $1,471.50
    Was: $1,516.50
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  • AirTronic USA - MIL-SPEC Rifle Length M203 Handguard/Heatshield - Boss Firearms - BossFirearms.com AirTronic USA - MIL-SPEC Rifle Length M203 Handguard/Heatshield - Boss Firearms - BossFirearms.com

    AirTronic USA - MIL-SPEC Carbine Length M203 Handguard/Heatshield

    AirTronic USA

    $70.00
    This is a new AirTronic USA, mil-spec, carbine length, M203 handguard/heatshield. The internal is formed to conform to the contour of the barrel of an M16 rifle and the external is formed to a...
    $70.00
    Qty in Cart: 0
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    $70.00
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  • Out of stock
    AirTronic USA - M203 Barrel - IC5Q6-BARREL-USED - Boss Firearms - BossFirearms.com

    AirTronic USA - M203 Barrel - #IC5Q6-BARREL-USED

    Used

    $350.00
    AirTronic USA M203 12” Barrel Marked -  ASSY-19200-8448377  MFR 1C5Q6 These are used items in good condition. Please note that all NFA regulations apply; ATF approval for your M203 receiver as a...
    $350.00
    Qty in Cart: 0
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    $350.00
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  • AirTronic USA - MIL-SPEC Rifle Length M203 Handguard/Heatshield - IC5Q6-HG- Boss Firearms - BossFirearms.com AirTronic USA - MIL-SPEC Rifle Length M203 Handguard/Heatshield - IC5Q6-HG- Boss Firearms - BossFirearms.com

    AirTronic USA - MIL-SPEC Rifle Length M203 Handguard/Heatshield - IC5Q6-HG

    AirTronic USA

    $150.00
    This is a new AirTronic USA, mil-spec, rifle-length, M203 handguard/heatshield. The internal is formed to conform to the contour of the barrel of an M16 rifle and the external is formed to a special...
    $150.00
    Qty in Cart: 0
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    $150.00
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  • Volquartsen - Firefly Bolt 2.0 - Upgrade Your Ruger 10/22 - #VF10FY2 Volquartsen - Firefly Bolt 2.0 - Upgrade Your Ruger 10/22 - #VF10FY2

    Volquartsen - Firefly Bolt 2.0 - Upgrade Your Ruger 10/22 - #VF10FY2

    Volquartsen

    MSRP: $170.00
    $161.00
    If you shoot subsonic 22 LR, the Firefly Bolt is a must-have. The Firefly Bolt upgrades your Ruger® 10/22® for optimal subsonic performance. This CNC-machined, Type III hard-anodized aluminum bolt is...
    MSRP: $170.00
    $161.00
    Qty in Cart: 0
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    MSRP: $170.00
    $161.00
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  • Out of stock
    Picatinny Adaptor for SMG QD Endplate #U08-0093C01 Picatinny Adaptor for SMG QD Endplate #U08-0093C01

    Picatinny Adaptor for SMG QD Endplate #U08-0093C01

    LWRC

    $35.00
    For those looking to add a picatinny stock to their SBR'd SMG this picatinny adaptor is the answer.  Designed to perfectly mesh with the LWRCI SMG45 QD Endplate, this picatinny will screw directly to...
    $35.00
    Qty in Cart: 0
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    $35.00
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