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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  • Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - Used - HKP-17917
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    HK UMP Magazine - 25 Round - LEO Marked - Used

    H&K Heckler & Koch

    $149.95
    German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings.  Condition of used parts will vary.  All used parts are sold AS-IS. Compatible With: HK UMP .45 ACP
    HKP-17917
    $149.95
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  • New - H&K 91/G3 (7.62x51/.308) Complete Trigger Pack - Semi Auto - HKP-00217
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    HK91, G3 Trigger Pack - Complete - Semi Auto

    H&K Heckler & Koch

    $348.95
    H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to semi-only.  Compatible With: HK91, G3, PTR...
    HKP-00217
    $348.95
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  • HK German Bayonet Adapter With Hardware HK German Bayonet Adapter With Hardware
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    HK German Bayonet Adapter With Hardware

    H&K Heckler & Koch

    $159.95
    H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Hardware made under a Turkish contract. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring-loaded mechanism in the...
    HKP-00021
    $159.95
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    $159.95
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  • New - HKP 93/53/33 (5.56/.223) Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only - HKP-17246 HK33, HK53, HK93 Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only
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    HK33, HK53, HK93 Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only

    HKP HK Parts

    $549.95
    HKP 93, 33, 53 Trigger Group 2 Position Housing 0,1 - Safe, Semi Only Our trigger group offering is the most desirable HK 93,33,53 trigger group available. Now you can upgrade your HK firearm to have the look & feel of the 4 position burst lower with...
    HKP-17246
    $549.95
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  • Out Of Stock
    New - H&K MP5 40/10 +2 Roller - HKP-00334 HK MP5 40/10 +2 Roller

    HK MP5 40/10 +2 Roller

    H&K Heckler & Koch

    $19.99
    MP5 40,10 +2 Roller New HK German MP5 40/10 +2 roller. Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair)...
    HKP-00334
    $19.99
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  • New - Choate Adjustable Folding Stock 1/2 inch Spacer - HKP-19032 Adjustable Folding Stock 1/2 inch Spacer
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    Adjustable Folding Stock 1/2 inch Spacer

    Choate

    $7.95
    Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers to your stock.  
    HKP-19032
    $7.95
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  • New - HKP MP5F & MP5 40,10 Cocking Tube, Handle, Support Combo - HKP-18152 HK MP5F, MP5 Cocking Tube and Handle - Support Combo - .40 S&W / 10mm
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    HK MP5F, MP5 Cocking Tube and Handle - Support Combo - .40 S&W / 10mm

    HKP HK Parts

    $249.95
    HKP MP5F & MP5 40,10 Cocking Tube, Handle, Support Combo HK MP5 40/10 or MP5 F factory correct USA made cocking tube and cocking tube support assembly complete. This is a factory correct MP5F/MP5 40/10 Cocking tube assembly complete. This assembly...
    HKP-18152
    $249.95
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    $249.95
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  • New - H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer - HKP-22183-M Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
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    Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer

    HKP HK Parts / Heckler & Koch

    $199.95
    H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available exclusively...
    HKP-22183-M
    $199.95
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  • New - SchleTek Firearm Cleaning & Tuning Kit - HKP-21732 HK Firearm Cleaning and Tuning Kit
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    HK Firearm Cleaning and Tuning Kit

    SchleTek

    $69.95
    SchleTek Firearm Cleaning & Tuning Kit The SchleTek Firearm Cleaning & Tuning Kit is an all-in-one solution for maintaining peak performance and reliability in your firearms. Designed for both professionals and enthusiasts, this comprehensive kit...
    HKP-21732
    $69.95
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  • Out Of Stock
    New - B&T NATO A2 to HUB Suppressor Adapter - HKP-21723 B&T NATO A2 to HUB Suppressor Adapter

    B&T NATO A2 to HUB Suppressor Adapter

    B&T Brugger & Thomet

    $250.00
    B&T NATO A2 to HUB Suppressor Adapter Stainless steel adapter that connects NATO-spec A2 flash hiders to any 1.375x24 TPI HUB-compatible suppressor. Features a gate lock and ratchet system for secure, repeatable mounting—used by NATO forces...
    HKP-21723
    $250.00
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  • On Sale
    New - HKP HK USC Stock Block to Picatinny Rail - HKP-21594-M HK USC Stock Block to Picatinny Rail
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    HK USC Stock Block to Picatinny Rail

    HKP HK Parts

    Now: $119.96
    Was: $149.95
    HKP HK USC Stock Block to Picatinny Rail The HKP USC stock block with picatinny rail offers superior adjustability for the stock of your choice. Each stock block is crafted from billet aluminum, cerakoted for a robust finish, and includes the sling pin...
    HKP-21594-M
    Now: $119.96
    Was: $149.95
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    Now: $119.96
    Was: $149.95
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  • New - B&T Direct Thread 1/2x28 Hub Adapter - HKP-21506 B&T 1/2x28 Direct Thread to Hub Adapter
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    B&T 1/2x28 Direct Thread to Hub Adapter

    B&T Brugger & Thomet

    $89.95
    B&T Direct Thread 1/2x28 Hub Adapter Convert any 1/2x28 RH threaded barrel to accept Hub devices with this direct fit adapter. Compatible With: HK MP5, MP5K, SP5, SP5K HK MR556 HK UMP 9mm B&T APC223, SPC223 B&T APC9K B&T GMH9...
    HKP-21506
    $89.95
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    $89.95
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