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 - HK G36/SL8 (5.56/.223) Extractor Axle - HKP-18370
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    HK G36, SL8 Extractor Axle - USA

    $6.95
    HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, Sl8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK Sl8 models
    HKP-18370
    $6.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Catch - HKP-02472 HK G36, SL8 Bolt Catch
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    HK G36, SL8 Bolt Catch

    H&K Heckler & Koch

    $24.95
    HK G36 & SL8 Bolt Catch On AR-15 systems this part would be similar to a cam pin. Compatible With: G36 G36K G36C SL8 variants
    HKP-02472
    $24.95
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  • New - H&K UMP/USC (.45 ACP) Extractor - HKP-00265 HK UMP, USC Extractor - .45 ACP
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    HK UMP, USC Extractor - .45 ACP

    H&K Heckler & Koch

    $49.95
    New USC & UMP .45 Extractor - German Compatible with both the USC & UMP. 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 it is removed from the...
    HKP-00265
    $49.95
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  • New - H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Complete - HKP-00596 HK UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Handstop Complete
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    HK UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Handstop Complete

    H&K Heckler & Koch

    $68.95
    HK German Hand Stop Unit Complete  This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.  
    HKP-00596
    $68.95
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  • Out Of Stock
    New - HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear - HKP-01847 HK UMP, USC, G36, SL8 Sear - 9mm / .40 S&W / .45 ACP - 5.56 / .223

    HK UMP, USC, G36, SL8 Sear - 9mm / .40 S&W / .45 ACP - 5.56 / .223

    HKP HK Parts

    $49.95
    Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...
    HKP-01847
    $49.95
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  • New - Magpul HK 91/G3 (7.62x51/.308) Complete Stock - Enhanced Buffer - HKP-16698 HK91, G3, PTR91 Stock - Complete - Enhanced Buffer
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    HK91, G3, PTR91 Stock - Complete - Enhanced Buffer

    Magpul

    $899.95
    Magpul PRS Stock With Enhanced Buffer The Magpul PRS2 (Precision Rifle Sniper) is a drop-in, precision-adjustable buttstock designed for the HK G3, HK91, PTR91 rifle and its variants. Designed to offer the fine-tuned, customized feel of a precision...
    HKP-16698
    $899.95
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    $899.95
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  • New - H&K MP5/SP5/MP5K/SP5K Soft Gun Case - HKP-17428 MP5, MP5K Soft Gun Case - 29"
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    MP5, MP5K Soft Gun Case - 29"

    H&K Heckler & Koch

    $139.95
    HK Factory 29" MP5/SP5 Soft Tactical Case with HK Logo Compatible With: HK MP5/SP5 HK MP5K/SP5K Similar size firearms  
    HKP-17428
    $139.95
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  • New - RCM HK 93/53/33 (5.56/.223) Complete Bolt Head - HKP-16722 HK33, HK53, HK93 Complete Bolt Head
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    HK33, HK53, HK93 Complete Bolt Head

    RCM

    $214.95
    HK 93, 33, 53 .223/5.56 Bolt Head Complete - US The latest generation style bolt head with oval shaped roller retainer plate. Perfect for 556/ .223 & 300 BLK HK or roller lock firearms. Includes: 223/556 Extractor- US Extractor Spring- HK 8mm...
    HKP-16722
    $214.95
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  • New - XS Sight Systems Front Night Sight - HKP-02066 HK90 Series Front Sight Post - Night Sights
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    HK90 Series Front Sight Post - Night Sights

    XS Sights

    $92.99
    XS Sights - Night Sight Front Sight Post - Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and sight...
    HKP-02066
    $92.99
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  • Out Of Stock
    New - H&K German Red Handled Rear Sight Adjustment Tool - HKP-00080 HK German Red Handled Rear Sight Adjustment Tool

    HK German Red Handled Rear Sight Adjustment Tool

    H&K Heckler & Koch

    $107.99
    H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...
    HKP-00080
    $107.99
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  • New - MKE HK MP5/K 9mm Extractor - HKP-21919 HK MP5, SP5K Extractor - 9mm
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    HK MP5, SP5K Extractor - 9mm

    MKE

    $19.95
    MKE HK MP5/K 9mm Extractor Keep your MP5 or MP5K running strong with this MKE 9mm extractor. Perfect for replacing a worn part or completing a build, it’s made to HK specs for smooth, reliable performance you can count on. Compatible With: HK MP5,...
    HKP-21919
    $19.95
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  • New - HK MP5 Aimpoint ACRO A-2 with Raised Optic Mount - HKP-21895-M HK MP5, MP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO P-2
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    HK MP5, MP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO P-2

    HKP HK Parts / Aimpoint

    $708.95
    HK MP5 Aimpoint ACRO P-2 with HKP Raised Optic Mount The HKP Raised optic mount was designed to elevate the ACRO P-2 sight to a height that is both comfortable and easy to view, while retaining an unobstructed view of the factory sights. Get the best of...
    HKP-21895-M
    $708.95
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