Parts & Accessories

Parts & Accessories

Shop AR-15 and AR-10 parts and accessories from Boss Firearms. Our parts inventory includes LMT upper and lower receivers, Proof Research carbon fiber barrels, Forward Controls Design components, Geissele triggers, Magpul furniture, BCM parts, SureFire lights, and much more. Whether you're building a new rifle or upgrading your current setup, we carry the hard-to-find components trusted by military, law enforcement, and serious civilian shooters.

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  • Magpul - RVG Vertical Foregrip for Picatinny - MAG412-BLK - 873750005003 - Boss Firearms - BossFirearms.com
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    Magpul - RVG Vertical Foregrip for Picatinny - MAG412-BLK

    Magpul Industries

    $23.70
    The Magpul RVG Rail Vertical Grip for Picatinny (MAG412-BLK) is Magpul's compact vertical foregrip designed for MIL-STD-1913 Picatinny rail handguards. The RVG (Rail Vertical Grip) provides a...
    $23.70
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    Magpul - MBUS Pro Front Flip Up Sights - MAG275-BLK - 873750008370 - Boss Firearms - BossFirearms.com
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    Magpul - MBUS Pro Front Flip Up Sights - MAG275-BLK

    Magpul Industries

    Now: $90.20
    Was: $94.95
    The MBUS Pro (Magpul(R) Back-Up Sight) is a corrosion resistant all-steel back-up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller...
    Now: $90.20
    Was: $94.95
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    Magpul - Adjustable CTR Stock - MAG310-FDE - 873750001517 - Boss Firearms - BossFirearms.com
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    Magpul - Adjustable CTR Stock - MAG310-FDE

    Magpul Industries

    Now: $61.70
    Was: $64.95
    The Magpul CTR (Compact/Type Restricted) - Mil-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using mil-spec sized receiver extension tubes. Designed for light, fast action the...
    Now: $61.70
    Was: $64.95
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    Was: $64.95
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    Magpul - M-LOK QD Sling Mount - MAG606-BLK - 873750002842 - Boss Firearms - BossFirearms.com
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    Magpul - M-LOK QD Sling Mount - MAG606-BLK

    Magpul Industries

    Now: $18.95
    Was: $19.95
    The M-LOK QD Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount...
    Now: $18.95
    Was: $19.95
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    Magpul - QD Ambidextrous Sling Attachment Point - MAG529-BLK - 873750011844 - Boss Firearms - BossFirearms.com
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    Magpul - QD Ambidextrous Sling Attachment Point - MAG529-BLK

    Magpul Industries

    Now: $28.45
    Was: $29.95
    The ASAP QD (Ambidextrous Sling Attachment Point QD) allows a wide range of motion, enabling true ambidextrous weapon manipulation for both left and right handed shooters. Replacing the standard...
    Now: $28.45
    Was: $29.95
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    Magpul - MOE K-2 AK Grip - MAG683-BLK - 840815112761 - Boss Firearms - BossFirearms.com
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    Magpul - MOE K-2 AK Grip - MAG683-BLK

    Magpul Industries

    Now: $19.90
    Was: $20.95
    Similar to the MOE SL, the MOE-K2 AK Grip is a drop-in upgrade for AK47/AK74 platforms that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle improves...
    Now: $19.90
    Was: $20.95
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    Magpul - MS1 Sling - MAG513-BLK - 873750009230 - Boss Firearms - BossFirearms.com
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    Magpul - MS1 Sling - MAG513-BLK

    Magpul Industries

    $29.71
    The MS1 Sling is the most versatile addition to the Magpul line of rifle slings. This sling system starts as an optimized, dedicated two-point sling that serves equally well in a one-point role when...
    $29.71
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    CMMG - AR-15 Lower Parts Kit w/ Ambidextrous Selector - 55CA6B8 - 815835012339 - Boss Firearms - BossFirearms.com
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    CMMG - AR-15 Lower Parts Kit w/ Ambidextrous Selector - 55CA6B8

    CMMG

    $74.95
    Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation,...
    $74.95
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    Q - Cherry Bomb Muzzle Brake - CB-1/2-28 - 860248000435 - Boss Firearms - BossFirearms.com
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    Q LLC - Cherry Bomb Muzzle Brake - CB-1/2-28

    Q LLC

    Now: $90.00
    Was: $100.00
    Q Cherry Bomb muzzle brake chambered for 7.62mm rifles that is compatible with the THUNDER CHICKEN and trash PANDA silencers by Q. It features a taper mount shoulder to align with Q barrels and...
    Now: $90.00
    Was: $100.00
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    Was: $100.00
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    Q - Bottle Rocket Enhanced Muzzle Brake - BR-QUICKIE - 860248000442 - Boss Firearms - BossFirearms.com
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    Q LLC - Bottle Rocket Enhanced Muzzle Brake - BR-QUICKIE

    Q LLC

    Now: $89.00
    Was: $99.00
    The Q Bottle Rocket is an enhanced brake for use with our Cherry Bomb muzzle brake. On top of that, it also serves as a sexy-ass thread protector for your Cherry Bomb when not hosting a silencer.As...
    Now: $89.00
    Was: $99.00
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    Was: $99.00
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    Magpul - M3 7.62x39 30 Round Magazine - MAG573-BLK - 840815100287 - Boss Firearms - BossFirearms.com Magpul - M3 7.62x39 30 Round Magazine - MAG573-BLK - 840815100287 - Boss Firearms - BossFirearms.com
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    Magpul - M3 7.62x39 30 Round Magazine - MAG573-BLK

    Magpul Industries

    Now: $28.45
    Was: $29.95
    The PMAG 30 AK/AKM GEN M3 is a durable, lightweight, high reliability 30-round polymer magazine designed for Kalashnikov pattern rifles in 7.62x39mm (AK-47, AKM, AKS, SIG556R, and others.) It...
    Now: $28.45
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    Surefire - X300 Ultra Weapon Light - X300U-A - 084871319065 - Boss Firearms - BossFirearms.com Surefire - X300 Ultra Weapon Light - X300U-A - 084871319065 - Boss Firearms - BossFirearms.com
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    Surefire - X300 Ultra Weapon Light - X300U-A

    Surefire

    Now: $341.00
    Was: $379.00
    This enhanced version of Surefire's best-selling X300 Ultra now delivers a stunning 1,000 lumens of LED-generated output focused by a precision TIR lens, creating a far-reaching high intensity beam -...
    Now: $341.00
    Was: $379.00
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    Was: $379.00
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