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 SP5K 9mm - SEF, Navy Style - Clipped & Pinned - HKP-17945 HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned
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    HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned

    H&K Heckler & Koch

    $199.95
    HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...
    HKP-17945
    $199.95
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  • New - HKP MP5K 9mm Trunnion - HKP-17964 HK MP5K Trunnion - 9mm
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    HK MP5K Trunnion - 9mm

    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...
    HKP-17964
    $57.95
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  • New - H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN Coated - HKP-21792 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked

    H&K Heckler & Koch

    $159.95
    H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN/CRN Coated Elevate your collection with our TiN coated factory Heckler & Koch magazines. Each magazine begins as a new German 30-round 9mm mag that is expertly disassembled, TiN coated,...
    HKP-21792-M
    $159.95
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  • New - Zenith 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21645 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - TiN Coated
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 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...
    HKP-21645
    $99.95
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  • New - HKP HK UMP, G36 3 Position Selector - Right - HKP-20179 HK UMP, G36 3 Position Selector - Right
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    HK UMP, G36 3 Position Selector - Right

    HKP HK Parts

    $8.95
    HKP HK UMP, G36 3 Position Selector - Right HK UMP & G36 right safety selector lever for all 3 position HK UMP & G36 lowers only.
    HKP-20179
    $8.95
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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
    HKP-00051
    $14.95
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  • New - H&K HK MR556/416 Bolt Head Cam Pin - HKP-02539
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    HK416, MR556 Bolt Head Cam Pin

    H&K Heckler & Koch

    $31.95
    Heckler and Koch HK416 and HK MR556 Bolt Head Cam Pin New factory HK German manufactured cam pin for bolt group. A common wear and replacement item.  Compatible With: HK 416, MR556 HK 416 A5 HK M27
    HKP-02539
    $31.95
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  • New - H&K HK 93/53/33 (5.56/.223) 30 Round Magazine Spring - HKP-14411
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    HK33, HK53, HK93 Magazine Spring - 30 Round

    H&K Heckler & Koch

    $8.45
    HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory correct, these springs will work in the 25-round HK 93...
    HKP-14411
    $8.45
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  • New - HKP MP5K/SP89/SP5K 9mm End Cap - HK Style - HKP-16135 HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HKP
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    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HKP

    HKP HK Parts

    $49.95
    HKP MP5K/SP89/SP5K 9mm End Cap - HK Style This end cap is an identical reproduction of the factory end cap and features the original HK style buffer. Compatible With: MP5K SP5K SP89 In spec. clones and custom builds
    HKP-16135
    $49.95
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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...
    HKP-18796
    $114.95
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  • New - PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw - HKP-16743
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    HK MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK

    PTR

    $4.95
    PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.
    HKP-16743
    $4.95
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  • New - H&K Selector Catch Lever for HK Ambidextrous Trigger Packs - HKP-01636
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    HK Selector Catch Lever - Ambi Trigger Packs

    H&K Heckler & Koch

    $26.95
    HK German Ambidextrous Trigger Pack Axle Catch Lever This is the lever that allows you to take apart any of the ambidextrous trigger packs. This lever takes the spring tension off the left and right side selector levers, allowing you to remove and...
    HKP-01636
    $26.95
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