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 - Zenith 30 Round HK MP5 Supersonic Labeled Magazine - HKP-20830 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...
    HKP-20830
    $43.95
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  • New - H&K HK SL8, HK G36 Top Rail Screw - HKP-16390 HK SL8, G36 Top Rail Screw
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    HK SL8, G36 Top Rail Screw

    H&K Heckler & Koch

    $14.95
    HK SL8 & G36 Top Rail Screw  This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...
    HKP-16390
    $14.95
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    $14.95
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  • New - H&K HK MR762, HK 417 Free Floating DMR Rail System - Black - HKP-17706 HK417, MR762 Rail System - DMR Free Floating
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    HK417, MR762 Rail System - DMR Free Floating

    H&K Heckler & Koch

    $949.95
    HK MR762, 417 Extended Free Floating Rail System New Heckler and Koch MR762, HK417, and G28 Extended DMR (designated marksman rifle). Forearm with flip up front sight and suppressor window Cutout. Optimized design to mitigate the heat emissions for long...
    HKP-17706
    $949.95
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    $949.95
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  • New - SB Tactical HK91 SBA4 Pistol Stabilizing Brace & Adapter - HKP-19931 HK91 SBA4 Pistol Stabilizing Brace and Adapter
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    HK91 SBA4 Pistol Stabilizing Brace and Adapter

    SB Tactical

    $319.95
    SB Tactical HK91 SBA4 Pistol Stabilizing Brace & Adapter Includes: G3, HK91 backplate & recoil assembly AR, M4 stock adapter Complete buffer assembly Castle nut SB Tactical Brace Features: Made in the USA Designed after the SBM4 5-position...
    HKP-19931
    $319.95
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    $319.95
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  • New - HK MR556/416 DMR Extra Long Forearm - Black - HKP-17683 HK416, MR556 DMR Extra Long Handguard
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    HK416, MR556 DMR Extra Long Handguard

    H&K Heckler & Koch

    $859.95
    HK MR556/416 DMR Extra Long Forearm New Heckler & Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions for long range shooting and to prevent the mirage...
    HKP-17683
    $859.95
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    $859.95
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  • New - HK 416 10.4" Upper Gas Block - German - HKP-01543 HK416 Gas Block for 10.4" Barrels
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    HK416 Gas Block for 10.4" Barrels

    H&K Heckler & Koch

    $279.95
    Heckler and Koch HK German 10.4" Barrel Non-Vented Gas Block Complete Factory HK NON-VENTED 10.4" gas block. Compatible With: HK416 10.4" uppers HK MR556 to 10.4" conversions
    HKP-01543
    $279.95
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  • On Sale
    New - HKP (5.56/.223) Compensator Flash Hider - Threaded 1/2x28 - HKP-18468 HK416, MR556 Compensator Flash Hider - Threaded 1/2x28
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    HK416, MR556 Compensator Flash Hider - Threaded 1/2x28

    HKP HK Parts

    Now: $23.95
    Was: $39.95
    HKP HK Parts .556 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is renowned for its effectiveness, offering a significant...
    HKP-18468
    Now: $23.95
    Was: $39.95
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    Now: $23.95
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  • New - H&K HK G36/G36K/G36C Sling - HKP-18459 HK G36, G36K, G36C Sling
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    HK G36, G36K, G36C Sling

    H&K Heckler & Koch

    $64.95
    New HK German carrying sling without quick release. 38 mm wide Compatible With: G36 G36K G36C
    HKP-18459
    $64.95
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  • New - HKP HK UMP (.40 S&W) 15 Round Magazine - HKP-17584 HK UMP Magazine - .40 S&W - 15 Round
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    HK UMP Magazine - .40 S&W - 15 Round

    HKP HK Parts

    $49.95
    UMP, SMG .40 Cal 15 Round Magazine - US ***Shown side by side with a standard capacity magazine Compact 15 round magazine for HK UMP .40 caliber carbines, SMG's, and USC-UMP .40 caliber conversions. Each magazine features steel feed lips and durable...
    HKP-17584
    $49.95
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  • New - HKP HK MP5 (.40 S&W) Locking Roller -6 - HKP-17566
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    HK MP5 Locking Roller -6 - .40 S&W

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you...
    HKP-17566
    $11.95
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  • New - EBO HK 91/G3 (7.62x51/.308) Tungsten Full Auto Carrier - Made by EBO Under HK Contract - HKP-16572 HK91, G3 Bolt Carrier - Full Auto - Tungsten - Made by EBO Under HK Contract
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    HK91, G3 Bolt Carrier - Full Auto - Tungsten - Made by EBO Under HK Contract

    EBO

    $199.95
    Used HK Contract Greek (EBO) F/A Date Coded Tungsten Filled Bolt Carrier. HK German G3 F/A date coded bolt carrier with the tungsten inserts. The tungsten inserts and upgrade is ideal for those that are having bolt bounce issues or want the smoothest...
    HKP-16572
    $199.95
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    $199.95
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  • HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm
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    HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm

    HKP HK Parts

    $229.95
    HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...
    HKP-17175
    $229.95
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    $229.95
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