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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  • On Sale
    New - GSG9 UMP 9mm Barrel - Threaded 1/2x28 - 3-Lug - HKP-02281
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    HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug

    GSG9

    Now: $259.95
    Was: $349.95
    GSG9 UMP (9mm) Barrel - Threaded 1/2x28 - 3-Lug This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded 1/2x28 end of the barrel for use with suppressors or factory HK 3-lug flash hiders. Specifications: Threaded...
    HKP-02281
    Now: $259.95
    Was: $349.95
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    Now: $259.95
    Was: $349.95
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  • Out Of Stock
    New - HKP PTR PDW (7.62x51/.308) Complete Bolt Group - HKP-17389 HK PTR PDW Bolt Group - Complete

    HK PTR PDW Bolt Group - Complete

    HKP HK Parts

    $379.95
    US Made PTR Bolt Group Complete Semi-Auto 308. Factory correct bolt head and locking piece for use in the PTR PDW chambered in 7.62X51 or 308. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.
    HKP-17389
    $379.95
    Out Of Stock
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  • New - HK 91/G3 (7.62x51/.308) Bolt Head - Stripped - HKP-16636 HK91, G3 Bolt Head - Stripped
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    HK91, G3 Bolt Head - Stripped

    $96.95
    New US Made Bolt Head- Incomplete: CNC machined from HK blueprints to precise tolerances that use the proper steel and heat-treat processes. You WILL NOT find a better quality offering of HK Parts anywhere. All of the bolt heads we offer on our website...
    HKP-16636
    $96.95
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    $96.95
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  • New - H&K 53 (5.56/.223) Front Sight Tower - Factory Correct - HKP-02238 HK53 Front Sight Tower - Factory Correct
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    HK53 Front Sight Tower - Factory Correct

    H&K Heckler & Koch

    $169.95
    HK53 Front Sight Tower - (Triple Frame) This factory HK German triple frame is the factory-correct part for your HK53 build (not the incorrect G3/91 triple frame). 
    HKP-02238
    $169.95
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    $169.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Cocking Lever Axle Pin - HKP-01060 HK33, HK53, HK93 Cocking Lever Axle Pin

    HK33, HK53, HK93 Cocking Lever Axle Pin

    H&K Heckler & Koch

    $0.00
    New HK German 93, 33, & 53 Cocking Handle Axle Pin This is a new HK factory part made for the .223 HK rifle for the HK93/33/53, not surplus or a cut-down .308 part, as others offer. This part is the axle pin that holds the cocking handle in place on...
    HKP-01060
    $0.00
    Out Of Stock
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    $0.00
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  • H&K MP5 40/10 2 Position (0,1 Pictogram) FBI Style Trigger Housing - USED - HKP-02696 HK MP5 Trigger Housing - FBI 2 Position 0,1 Pictogram - .40 S&W, 10mm - USED
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    HK MP5 Trigger Housing - FBI 2 Position 0,1 Pictogram - .40 S&W, 10mm - USED

    H&K Heckler & Koch

    $199.95
    H&K MP5 40/10 2 Position (0,1 Pictogram) FBI Style Trigger Housing - C/P This 2 position trigger housing (0,1) features FBI pictogram markings and is designed for the HK MP5 40/10 series. It comes clipped and pinned for semi-auto units, ensuring it...
    HKP-02696
    $199.95
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    $199.95
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  • New - H&K 40/10 SEF Trigger Pack - Semi - HKP-00979 HK MP5 Trigger Pack SEF - Semi-Auto - .40 S&W, 10mm
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    HK MP5 Trigger Pack SEF - Semi-Auto - .40 S&W, 10mm

    H&K Heckler & Koch

    $269.95
    HK Parts and Heckler and Koch MP5 10mm and .40 S&W Semi-Auto SEF Complete Trigger Pack We have one of the best HK gunsmiths in the country who can take German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most...
    HKP-00979
    $269.95
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    $269.95
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  • Out Of Stock
    New - H&K MP5K 9mm Complete PDW FBI Trigger Group - HKP-02699 HK MP5K PDW Trigger Group, Complete - FBI - 9mm

    HK MP5K PDW Trigger Group, Complete - FBI - 9mm

    H&K Heckler & Koch

    $799.95
    HK Heckler and Koch 9mm Complete PDW FBI Trigger Group for HK MP5K This is a great upgrade and investment for your factory swing down MP5K or PDW (shown with an optional small push pin installed). New HK German with all the latest HK upgraded parts...
    HKP-02699
    $799.95
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    $799.95
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  • New - H&K MP5 Stock Locking Lever With Spring - HKP-02560 HK MP5, HK91, G3, HK33, HK53, HK93 A3 Buttstock Locking Lever with Spring
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    HK MP5, HK91, G3, HK33, HK53, HK93 A3 Buttstock Locking Lever with Spring

    H&K Heckler & Koch

    $199.95
    HK MP5, HK91, G3, HK33/53/93 A3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR) HK G3, HK91 HK33, HK53, HK93
    HKP-02560
    $199.95
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    Qty in Cart: 0
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    $199.95
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  • New - Magpul AR-15 ACS Stock - Mil-Spec - HKP-01134 Magpul AR-15 ACS Stock - Mil-Spec Magpul HKP-01134
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    AR-15 Stock - ACS - Mil-Spec

    Magpul

    $93.95
    Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. Similar to the Magpul CTR, the ACS also...
    HKP-01134
    $93.95
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    $93.95
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  • On Sale
    HK G36, G36K, G36C Sling - USED HK G36, G36K, G36C Sling - USED
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    HK G36, G36K, G36C Sling - USED

    H&K Heckler & Koch

    Now: $46.95
    Was: $64.95
    HK G36, G36K, G36C Sling - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. 38 mm wide Compatible With: G36 G36K G36C
    HKP-18459-USED
    Now: $46.95
    Was: $64.95
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    Now: $46.95
    Was: $64.95
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  • HK G36, UMP Handuard Handstop HK G36, UMP Handuard Handstop
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    HK G36, UMP Handuard Handstop

    OMEGA

    $29.95
    HK UMP and G36 Handstop HK G36 hand stop kit. Complete with locking block and screw. Fits any G36 handguard without the need of rail segment. Compatible With: All G36 Models HK SL8 HK UMP HK USC
    HKP-22512
    $29.95
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    $29.95
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