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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  • Out Of Stock
    New - HK UMP/USC (.45 ACP) Extractor - HKP-02623 HK UMP, USC Extractor - .45 ACP

    HK UMP, USC Extractor - .45 ACP

    $39.95
    HK UMP & USC .45 Extractor Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once removed from the carrier, the spring tension is compromised,...
    HKP-02623
    $39.95
    Out Of Stock
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    $39.95
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  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 - HKP-18435 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24

    PTR

    $214.95
    PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...
    HKP-18435
    $214.95
    Out Of Stock
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    $214.95
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  • Used - H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - Jungle Green - HKP-18887 HK33, HK53, HK93 Surplus Fixed Stock - A2 - Jungle Green
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    HK33, HK53, HK93 Surplus Fixed Stock - A2 - Jungle Green

    H&K Heckler & Koch

    $122.95
    Surplus - Fixed Stock - Jungle Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...
    HKP-18887
    $122.95
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    $122.95
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  • New - HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel - HKP-17798
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    HK33, HK53, HK93 Firing Pin - Stainless Steel

    HKP HK Parts

    $24.95
    HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33
    HKP-17798
    $24.95
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    $24.95
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  • New - H&K MP5K/SP89/SP5K 9mm Rear Sight Drum - HKP-01110
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    HK MP5K/SP89/SP5K 9mm Rear Sight Drum

    H&K Heckler & Koch

    $79.95
    HK German MP5K, SP89 & SP5K Factory Rear Sight Drum New factory correct German HK MP5K, SP89, and SP5K rear sight drum. Compatible With: MP5K SP89 SP5K Other custom builds or clones Please Note: Many shooters prefer to upgrade to the MP5 rear...
    HKP-01110
    $79.95
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    $79.95
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  • New - HKP MP5, MP5K Rear Sight Base - HKP-02450 HK MP5, MP5K Rear Sight Base
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    HK MP5, MP5K Rear Sight Base

    HKP HK Parts

    $19.95
    MP5 & MP5K Rear Sight Base- Weldment The only factory-correct sight base with the factory HK German side axis grooves.  Compatible With: HK MP5, 94 HK MP5K, SP89 HK MP5 40, MP5 10 MAC-5 clones may require custom fitment. Modified components are...
    HKP-02450
    $19.95
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    $19.95
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  • On Sale
    Used - H&K German MP5 SEF F/A Trigger Group - USED - HKP-13932 HK MP5 Trigger Group - SEF F/A - USED
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    HK MP5 Trigger Group - SEF F/A - USED

    H&K Heckler & Koch

    Now: $684.95
    Was: $999.95
    H&K German MP5 SEF F/A Trigger Group - USED Used MP5 contoured SEF trigger group that is 100% functional and entirely authentic German HK. This German MP5, 94, or Clone SEF contoured F/A trigger group is complete and ready for seamless installation...
    HKP-13932
    Now: $684.95
    Was: $999.95
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    Now: $684.95
    Was: $999.95
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  • New - Magpul XTM Hand Stop Kit - HKP-14535 Handstop Kit - XTM
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    Handstop Kit - XTM

    Magpul

    $19.95
    Magpul XTM Hand Stop Kit The four-piece XTM Hand Stop Kit is a lightweight, low-profile rail-mounted index point for improved weapon control or as a forward stop to prevent the shooter's hand from reaching the hot front sight assembly or muzzle. The kit...
    HKP-14535
    $19.95
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  • New - HKP 9mm Ambidextrous US Made Trigger Pack with Flat Trigger - 4 U.S. 922 Parts - HKP-18512 Ambi Trigger Pack - Semi Auto 0,1 - 9mm - Flat Trigger - US Made 922r Parts
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    Ambi Trigger Pack - Semi Auto 0,1 - 9mm - Flat Trigger - US Made 922r Parts

    HKP HK Parts

    $349.95
    Ambidextrius Trigger Pack with Flat Trigger For MP5, HK94 - 4 US 922R Compliant Parts HK MP5/94 9mm Semi Auto Trigger Pack complete with Flat Trigger installed. Assembled and ready install on your firearm.   The components that count towards 4 of...
    HKP-18512
    $349.95
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    $349.95
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  • Used - H&K 33, 93 Full Auto Carrier Bolt Group - Used - HKP-00712 H&K 33, 93 Full Auto Carrier Bolt Group - Used H&K Heckler & Koch HKP-00712
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    HK33, HK93 Bolt Carrier Group - Full Auto - Used

    H&K Heckler & Koch

    $599.95
    H&K 33& 93 Full Auto Carrier Bolt Group - Used HK German manufactured for HK contract 33, 93 full auto bolt group, early style carrier with a half moon buffer. Used, but in good shape overall. Each Bolt Group Includes: HK33/93 F/A Carrier...
    HKP-00712
    $599.95
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    $599.95
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  • RCM HK SP5K Spec Suppressed Bolt Group RCM HKP-22277 RCM HK SP5K Spec Suppressed Bolt Group RCM HKP-22277
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    HK SP5K Bolt Group - Suppressed - Full Auto - Spec

    RCM

    $409.95
    RCM HK SP5K Spec Suppressed Bolt Group- Full Auto The RCM SP5K Suppressed bolt group is expertly engineered for operating in full auto while suppressed. Although designed as a full-auto bolt group, it also functions perfectly in semi-auto receivers. This...
    HKP-22323
    $409.95
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    $409.95
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  • On Sale
    New - Picatinny to Harris Bipod Adapter - Universal - HKP-21528 Harris Bipod Adapter - Picatinny - US
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    Harris Bipod Adapter - Picatinny - US

    HKP HK Parts

    Now: $9.95
    Was: $33.95
    Harris Bipod Adapter  This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-mounting bipods. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and...
    HKP-21528
    Now: $9.95
    Was: $33.95
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    Now: $9.95
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