HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - H&K 10/30 Round HK G36 Magazine Floor Plate - Black - HKP-16381 HK G36 Magazine Floorplate 10 or 30 Round
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    HK G36 Magazine Floorplate 10 or 30 Round

    H&K Heckler & Koch

    $11.95
    H&K 10/30 Round HK G36 Magazine Floor Plate New factory German G36 30 round and 10 round magazine floor plate.
    HKP-16381
    $11.95
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    $11.95
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  • New - H&K G36 (5.56/.223) 2 Round Burst Disconnector Axle - HKP-16350
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    HK G36 Disconnector Axle - 2 Round Burst

    H&K Heckler & Koch

    $10.95
    H&K G36 (5.56/.223) 2 Round Burst Disconnector Axle
    HKP-16350
    $10.95
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    Qty in Cart: 0
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    $10.95
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  • Used - H&K UMP (.45 ACP) Parts Kit - Extended Demilled Rear Receiver Section - Used - HKP-00589 HK UMP Parts Kit - .45 ACP - De-Milled - Used
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    HK UMP Parts Kit - .45 ACP - De-Milled - Used

    H&K Heckler & Koch

    $3,429.95
    HK German UMP .45 Parts Kit- Used PD Trade-In UMP .45 German parts kit complete with all the factory HK parts minus the receiver. PD trade-ins are in good shape. Click this link to complete your build with an S5 Tactical receiver. Each UMP .45 Parts Kit...
    HKP-00589
    $3,429.95
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    $3,429.95
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  • Out Of Stock
    New - MM HK UMP 9mm Conversion Kit - 16 inch Barrel - HKP-02284 HK UMP Caliber Conversion to 9mm Kit - 16.5" Barrel - 30 Round Magazine

    HK UMP Caliber Conversion to 9mm Kit - 16.5" Barrel - 30 Round Magazine

    Michaels Machines

    $889.95
    HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in, with the total swap...
    HKP-02284
    $889.95
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    $889.95
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  • New - HKP HK 21 (7.62x51/.308) Feed Mechanism Latch Lever - HKP-00235 HK21 Feed Mechanism Latch Lever
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    HK21 Feed Mechanism Latch Lever

    Michaels Machines

    $69.95
    HKP HK21 Feed Mechanism Latch Lever - 7.62x51 / .308 Replacement feed mechanism latch lever for HK21 belt-fed platforms chambered in 7.62x51 and .308. Designed to interface with the feed assembly and support proper operation of the HK21 system...
    HKP-00235
    $69.95
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    $69.95
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Barrel Handle - HKP-00243 H&K 21E/23E (7.62x51/.308) & (5.56/.223) Barrel Handle || HKP-00243 || HKPARTS

    HK21E, HK23E Barrel Handle - 7.62x51 / .308, 5.56 / .223

    H&K Heckler & Koch

    $79.95
    HK German Factory HK21E/23E & HK11E/13E Barrel Handle - New Factory German fiberglass/polymer extended E barrel handle. This is also considered an upgrade for older style HK21 barrel handles Compatible With: HK23E HK21E HK11E HK13E MM23E, 21E,...
    HKP-00243
    $79.95
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    $79.95
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  • Out Of Stock
    New - MM HK 23E (5.56/.223) Heavy Rifle Barrel - HKP-02513 HK23E, HK13 Barrel - 5.56 / .223 - 17.75" - Heavy

    HK23E, HK13 Barrel - 5.56 / .223 - 17.75" - Heavy

    Michaels Machines

    $1,437.95
    Michael's Machines 5.56 NATO / .223 Remington Barrel for HK 23E Heavy Rifle Brand new US-made custom rifle barrel. A must-have spare for your HK rifle or MG. Factory Barrels are hard to find and expensive, but these barrels are of great value and price...
    HKP-02513
    $1,437.95
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    $1,437.95
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  • Out Of Stock
    New - H&K 21E/PSG1/MSG90 (7.62x51/.308) & (5.56/.223) Factory Extractor - HKP-00250 HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223

    HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223

    H&K Heckler & Koch

    $129.95
    HK21E, 11E, PSG1, MSG90 Factory German HK Extractor
    HKP-00250
    $129.95
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    $129.95
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  • Out Of Stock
    New - HKP HK 91/G3 (7.62x51/.308) 20 Round Steel Magazine - Latest HK Production - HKP-00542 HK91, G3 20 Round Steel Magazine - Latest HK Production

    HK91, G3 20 Round Steel Magazine - Latest HK Production

    H&K Heckler & Koch

    $0.00
    HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With: HK 91 HK G3 PTR-91, PTR PDW Vector 51, G3K, HK51, HK51K Century C308...
    HKP-00542
    $0.00
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  • New - HK German SEF SEMI .308 Clipped & Pinned Trigger Group - HKP-00210-CP Semi-Auto SEF Trigger Group - .308
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    Semi-Auto SEF Trigger Group - .308

    H&K Heckler & Koch

    $549.95
    HK German SEF SEMI .308 Clipped & Pinned Trigger Group The new HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. Compatible With: HK 91 HK G3 C308 PTR-91 HK .308 rifles. SEF Navy Style Trigger Group...
    HKP-00210-CP
    $549.95
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    $549.95
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  • HK51, PTR PDW Stock - AR15 Style
HK51, PTR PDW Stock - AR15 Style
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    HK51, PTR PDW Stock - AR15 Style

    PTR

    $339.95
    HK51, PTR PDW Magpul Stock - AR-15 Style AR15/M16 to HK 90 series stock adapter for the HK51 and PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock. Each adapter includes the proprietary locking ring, Magpul MOE...
    HKP-15753
    $339.95
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    $339.95
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  • New - H&K 93/53/33 (5.56/.223) Complete FBI Trigger Group - Clipped & Pinned - HKP-00019 HK33, HK53, HK93 Complete FBI Trigger Group - Clipped, Pinned
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    HK33, HK53, HK93 Complete FBI Trigger Group - Clipped, Pinned

    H&K Heckler & Koch

    $849.95
    Heckler and Koch Complete FBI Trigger Group for HK33, HK53, HK93 - Clipped & Pinned Complete FBI-style trigger group for HK93, HK53, and HK33 pattern rifles chambered in 5.56 / .223. Manufactured from genuine Heckler and Koch German components...
    HKP-00019
    $849.95
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    $849.95
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