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 - HKP HK MR556/416 Barrel Nut - HKP-17273 HK416, MR556 Barrel Nut
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    HK416, MR556 Barrel Nut

    HKP HK Parts

    $39.95
    HK MR556, HK 416 Barrel Nut Or Socket For Barrel - Aluminum A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in the USA...
    $39.95
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  • New - HK G36 Backplate Complete w/ Recoil Assembly - HKP-18537 HK G36 Backplate Complete w/ Recoil Assembly
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    HK G36 Backplate Complete w/ Recoil Assembly

    USA

    $84.95
    HK G36 Backplate Complete With Recoil Assembly New G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also required...
    $84.95
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  • New - HKP MP5K 9mm Trunnion - HKP-17964 HK MP5K 9mm Trunnion
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    HK MP5K 9mm Trunnion

    HKP HK Parts

    $57.95
    HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...
    $57.95
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  • New - HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment - HKP-18796 HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm
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    HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm

    HKP HK Parts

    $114.95
    HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct "H" buffers to...
    $114.95
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    $114.95
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  • New - Magpul AR-15 CTR 6 Position Stock- Commercial - HKP-02375 Magpul AR-15 CTR 6 Position Stock- Commercial Magpul HKP-02375
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    AR-15 Stock - CTR 6 Position - Mil-Spec

    Magpul

    $79.95
    Magpul AR-15 CTR 6 Position Stock - Mil-Spec The Magpul CTR (Compact/Type Restricted) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using Mil-Spec-sized receiver extension tubes. The streamlined A-frame profile avoids...
    $79.95
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  • New - Zenith 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21645 HK MP5 9mm Magazine - 9 mm - 30 Round - TiN Coated
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    HK MP5 9mm Magazine - 9 mm - 30 Round - TiN Coated

    Zenith

    $99.95
    Zenith 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated Zenith magazines. Each magazine begins as a regular 9mm, 30 round mag that is expertly disassembled, coated with durable TiN, and meticulously reassembled for optimal...
    $99.95
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  • On Sale
    New - JMAC HK G36/HK33 Flash Hider KeyMount (KeyMicro) - Threaded 15x1 - HKP-21255 JMAC HK G36/HK33 Flash Hider KeyMount (KeyMicro) - Threaded 15x1
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    JMAC HK G36/HK33 Flash Hider KeyMount (KeyMicro) - Threaded 15x1

    JMAC Customs

    Now: $87.98
    Was: $109.95
    JMAC HK G36/HK33 (5.56/.223) Flash Hider KeyMount (KeyMicro) - Threaded 15x1 In order to use this device with a suppressor it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with...
    Now: $87.98
    Was: $109.95
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    Now: $87.98
    Was: $109.95
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  • Used - HKP - MP5K, SP89 Receiver Flat With Weldment Set - HKP-20882
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    HK MP5K, SP89 Receiver Flat with Weldment Set

    HKP HK Parts

    $239.95
    HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...
    $239.95
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    $239.95
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  • Used - H&K HK91, G3, PTR Parkerized Backplate & Recoil Rod Assembly - Parkerized - HKP-19692 HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
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    HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized

    H&K Heckler & Koch

    $34.95
    Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized. 
    $34.95
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    $34.95
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  • New - H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black - HKP-19375 HK416A5, MR556 Ambi Selector Lever Set Complete
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    HK416A5, MR556 Ambi Selector Lever Set Complete

    H&K Heckler & Koch

    $179.95
    H&K HK MR556/416 A5 Ambi Selector Lever Set Complete New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK 416 A5...
    $179.95
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  • New - H&K HK MR556/MR762/416 Trigger Guard Assembly - HKP-02545 HK416, MR556, MR762 Trigger Guard Assembly
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    HK416, MR556, MR762 Trigger Guard Assembly

    H&K Heckler & Koch

    $46.95
    H&K HK MR556/MR762/416 Trigger Guard Assembly New HK German part that protects the trigger from an accidental discharge. Compatible With:  HK MR556 HK 416 HK MR762
    $46.95
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  • New - H&K HK MR556/MR762/416 Extractor Spring Buffer - HKP-00051
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    HK416, MR556, MR762 Extractor Spring Buffer

    H&K Heckler & Koch

    $14.95
    H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762
    $14.95
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