Gun Parts

Gun Parts

Welcome to the Gun Parts superstore at Boss Firearms Company, LLC. Whether you are undertaking a custom precision build, performing routine armorer maintenance, or upgrading an existing platform, we stock the high-performance components you need. As an authorized dealer for premium OEM and aftermarket manufacturers, we provide everything from stripped receivers and match-grade triggers to enhanced bolt carrier groups (BCGs) and duty-ready barrels for rifles, handguns, and shotguns.

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  • VLTOR - A5 SPRING AND BUFFER KIT SP-A5

    VLTOR - A5 SPRING AND BUFFER KIT SP-A5

    Vltor Weapon Systems

    $107.96
    The VLTOR A5 Spring and Buffer Kit (SP-A5) provides the complete spring component for the VLTOR A5 buffer system — the longer, properly tensioned spring designed to work in concert with the VLTOR A5...
    $107.96
    Qty in Cart: 0
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    $107.96
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  • Out of stock
    VLTOR - FAL Rifle Series Handgaurd - #CASV-FAL - Boss Firearms - BossFirearms.com VLTOR - FAL Rifle Series Handgaurd - #CASV-FAS - Boss Firearms - BossFirearms.com

    VLTOR - FAL Rifle Series Handgaurd #CASV-FA

    Vltor Weapon Systems

    $329.95 - $358.95
    The CASV-FAL handguard is designed for the FAL series of rifles. They mount solidly to the standard inch or metric FAL with a short version for the carbine style FALs. It is mounted at the receiver...
    $329.95 - $358.95
    Qty in Cart: 0
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  • VLTOR - 5-Position AK47 Receiver Extension w/ Storage Compartment - #RE-47 - Boss Firearms - BossFirearms.com

    VLTOR - 5-Position AK47 Receiver Extension w/ Storage Compartment - RE-47

    Vltor Weapon Systems

    MSRP: $98.95
    $98.06
    The VLTOR RE-47 5-Position AK47 Receiver Extension with Storage Compartment allows AK-47 pattern rifles to accept AR-15/M4 compatible collapsible stocks with a 5-position length-of-pull adjustment...
    MSRP: $98.95
    $98.06
    Qty in Cart: 0
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    MSRP: $98.95
    $98.06
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  • VLTOR - Set Screw Gas Block - 0.625" to 0.750" Bore - Boss Firearms - BossFirearms.com VLTOR - Set Screw Gas Block - 0.625" to 0.750" Bore - Boss Firearms - BossFirearms.com

    VLTOR - Set Screw Gas Block - 0.625" to 0.750" Bore GB-S

    Vltor Weapon Systems

    $64.95
    The VLTOR Set Screw Gas Block (GB-S) is a low-profile, steel gas block engineered to replace the standard front sight base on AR-15 barrels, allowing use of free-float handguards without obstruction...
    $64.95
    Qty in Cart: 0
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    $64.95
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  • Out of stock
    VLTOR - MK14/EBR Stock Adapter - #RE-EBR - Boss Firearms - BossFirearms.com VLTOR - MK14/EBR Stock Adapter - #RE-EBR - Boss Firearms - BossFirearms.com

    VLTOR - MK14/EBR Stock Adapter - #RE-EBR

    Vltor Weapon Systems

    $456.95
    The RE-EBR VLTOR Stock Adaptor was developed specifically for the Sage International MK14 Enhanced Battle Rifle chassis. This stock adaptor provides flexibility and comfort, as it allows for...
    $456.95
    Qty in Cart: 0
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    $456.95
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  • VLTOR - 7-Position A5 Receiver Extension - #RE-A5 - Boss Firearms - BossFirearms.com

    VLTOR - 7-Position A5 Receiver Extenstion - RE-A5

    Vltor Weapon Systems

    $56.66
    The VLTOR RE-A5 7-Position A5 Receiver Extension is the buffer tube component of VLTOR's innovative A5 system, designed for use with VLTOR's A5 buffer and spring for improved cycling characteristics...
    $56.66
    Qty in Cart: 0
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    $56.66
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  • VLTOR - 5-Position AR-15 Receiver Extension - #RE-1 - Boss Firearms - BossFirearms.com VLTOR - 5-Position AR-15 Receiver Extension - #RE-1 - Boss Firearms - BossFirearms.com

    VLTOR - 5-Position AR-15 Receiver Extension - RE-1

    Vltor Weapon Systems

    $51.95
    The VLTOR RE-1 5-Position Receiver Extension is a mil-spec diameter carbine buffer tube replacement for AR-15/M4 pattern rifles, providing the standard 5-position length of pull adjustment range in a...
    $51.95
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  • VLTOR - A5 Buffer - 3.80oz to 6.83oz - #A5H - Boss Firearms - BossFirearms.com VLTOR - A5 Buffer - 3.80oz to 6.83oz - #A5H - Boss Firearms - BossFirearms.com

    VLTOR - A5 BUFFER - 3.80 TO 6.83OZ - A5H

    Vltor Weapon Systems

    $44.06 - $148.46
    The VLTOR A5 Buffer (A5H) is the critical component of VLTOR's A5 buffer system, a drop-in upgrade that replaces the standard mil-spec carbine buffer and spring with a longer, heavier buffer...
    $44.06 - $148.46
    Qty in Cart: 0
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  • Out of stock
    VLTOR - AR15 Charging Handle - 5.56 - VCH-AR15 - Boss Firearms - BossFirearms.com VLTOR - AR15 Charging Handle - 5.56 - VCH-AR15 - Boss Firearms - BossFirearms.com

    VLTOR - AR15 Charging Handle - 5.56 - #VCH

    Vltor Weapon Systems

    MSRP: $65.95 - $105.95
    $64.76 - $98.06
    After a years-long stint in legal and logistical purgatory, the best-selling charging handle of the past decade has made its return. Previously licensed and distributed by BCM as the original...
    MSRP: $65.95 - $105.95
    $64.76 - $98.06
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    MSRP: $65.95 - $105.95
    $64.76 - $98.06
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  • Knight's Armament - Folding M4 Front Sight - Taupe - #KM99051-TAU - 819064010401 - Boss Firearms - BossFirearms.com

    Knight's Armament - Folding M4 Front Sight - Taupe - 99051-TAU

    Knights Armament Company

    $230.33
    The Knight's Armament Folding M4 Front Sight — Taupe (KAC PN: 99051-TAU) is KAC's folding M4-pattern front sight in Taupe color for SR-15 and M4/AR-15 pattern rifles with fixed front sight base (FSB)...
    $230.33
    Qty in Cart: 0
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    $230.33
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  • Out of stock
    On Sale
    Q - Fix 16" Barrel Assembly - 8.6 BLK - #ACC-FIX-BARREL-8.6-16IN - 850035705186 - Boss Firearms - BossFirearms.com

    Q LLC - Fix 16" Barrel Assembly - 8.6 BLK - #ACC-FIX-BARREL-8.6-16IN

    Q LLC

    MSRP: $515.00
    Now: $459.00
    Was: $515.00
    The modular nature of the FIX rifle allows the operator to exchange calibers and barrel lengths without the need for a gunsmith. All of Q, LLC's FIX Barrels are made from high-strength, lightweight...
    MSRP: $515.00
    Now: $459.00
    Was: $515.00
    Qty in Cart: 0
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    MSRP: $515.00
    Now: $459.00
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  • Out of stock
    Knight's Armament - 8-Rib Rail Section Kit - #30412 - Boss Firearms - BossFirearms.com

    Knight's Armament - 8-Rib Rail Section Kit - #30412

    Knights Armament Company

    $33.31 - $40.10
    The KAC URX 3.1 Picatinny Rail Section attaches directly to a URX III or 3.1 modular handguard via a hex head screw. It allows the user to install any number of tactical accessories to the forend if...
    $33.31 - $40.10
    Qty in Cart: 0
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