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 - H&K 40/10 SEF Trigger Pack - Semi - HKP-00979 HK MP5 Trigger Pack SEF - Semi Auto - .40 S&W, 10mm
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    HK MP5 Trigger Pack SEF - Semi Auto - .40 S&W, 10mm

    H&K Heckler & Koch

    $269.95
    HK Parts and Heckler and Koch MP5 10mm and .40 S&W Semi-Auto SEF Complete Trigger Pack We have one of the best HK gunsmiths in the country who can take German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most...
    HKP-00979
    $269.95
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    $269.95
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  • New - H&K MP5K/SP89 9mm Recoil Guide Rod Stripped - HKP-01693
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    HK MP5K, SP89 Recoil Guide Rod - Stripped

    H&K Heckler & Koch

    $14.95
    New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.
    HKP-01693
    $14.95
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  • Out Of Stock
    New - H&K MP5K 9mm Complete PDW FBI Trigger Group - HKP-02699 HK MP5K PDW Trigger Group, Complete - FBI - 9mm

    HK MP5K PDW Trigger Group, Complete - FBI - 9mm

    H&K Heckler & Koch

    $799.95
    HK Heckler and Koch 9mm Complete PDW FBI Trigger Group for HK MP5K This is a great upgrade and investment for your factory swing down MP5K or PDW (shown with an optional small push pin installed). New HK German with all the latest HK upgraded parts...
    HKP-02699
    $799.95
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  • New - H&K MP5 A3 Retractable Buttstock Release Lever - HKP-16404 HK MP5 A3 Retractable Buttstock Release Lever
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    HK MP5 A3 Retractable Buttstock Release Lever

    H&K Heckler & Koch

    $19.95
    HK MP5 A3 Retractable Buttstock Release Lever For use with the newer Navy or F style A3 retractable MP5 stocks. Not for use on the older 1st generation metal levered MP5 stocks. This lever is much easier to break than the older style and a must have item...
    HKP-16404
    $19.95
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  • New - H&K MP5 Stock Locking Lever With Spring - HKP-02560 HK MP5, HK91, G3, HK33, HK53, HK93 A3 Buttstock Locking Lever with Spring
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    HK MP5, HK91, G3, HK33, HK53, HK93 A3 Buttstock Locking Lever with Spring

    H&K Heckler & Koch

    $199.95
    HK MP5, HK91, G3, HK33/53/93 A3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR) HK G3, HK91 HK33, HK53, HK93
    HKP-02560
    $199.95
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    $199.95
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  • Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH
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    Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH

    HKP HK Parts

    $29.95
    HKP muzzle brake threaded 5/8x24 RH for 5.56/.223 and 7.62x51/.308 firearms This HKP muzzle brake is manufactured in the USA to HK specifications and is designed for use on 5.56 and .308 rifles. It features a partially milled birdcage-style design...
    HKP-22508
    $29.95
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  • On Sale
    HK MP5K, AP5-P End Cap - Incomplete - BLEMISHED HK MP5K, AP5-P End Cap - Incomplete - BLEMISHED
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    HK MP5K, AP5-P End Cap - Incomplete - BLEMISHED

    MKE

    Now: $19.95
    Was: $27.95
    MKE MP5K, AP5-P Incomplete End Cap - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. MKE manufactured end cap for AP5-P and HK MP5K pattern firearms...
    HKP-99397
    Now: $19.95
    Was: $27.95
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  • On Sale
    HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL
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    HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL

    Other

    Now: $69.95
    Was: $149.95
    Turkish Contract HK MP5, MKE AP5 Stripped Bolt Head - GUNSMITH SPECIAL VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. The Condition will...
    HKP-99372
    Now: $69.95
    Was: $149.95
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    Now: $69.95
    Was: $149.95
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  • HK416, MR556, HK417, MR762 Cylindrical Head Screw HK416, MR556, HK417, MR762 Cylindrical Head Screw
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    HK416, MR556, HK417, MR762 Cylindrical Head Screw

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Cylindrical Screw for MR762, HK417, MR556, HK416 Factory replacement cylindrical lens-head Allen screw for maintaining or repairing your HK417 and MR556 rifles with original-spec hardware. Compatible With: HK417, MR762 HK416, MR556
    HKP-22433
    $19.95
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  • HK416, MR556 QD Handguard - A4 Style - 10" HK416, MR556 QD Handguard - A4 Style - 10"
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    HK416, MR556 QD Handguard - A4 Style - 10"

    H&K Heckler & Koch

    $497.95
    H&K HK416, MR556 A4 10" Quick Disconnect Handguard Factory HK A4 handguard featuring HK's A4 quick disconnect latch.  Compatible with A1 and A4 rifles. Features: Quick disconnect latch for tool-free removal and installation 12 o'clock Picatinny...
    HKP-22426
    $497.95
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  • M-LOK Angled Foregrip - Walnut M-LOK Angled Foregrip - Walnut
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    M-LOK Angled Foregrip - Walnut

    JMK

    $43.95
    JMK Angled foregrip M-LOK - Walnut JMK's M-LOK covers feature an integrated hand stop to ensure a secure grip during use. They are an excellent choice for pairing with JMK M-LOK Covers, providing your build with a high-quality finish. These covers are...
    HKP-22405-M
    $43.95
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  • Rail Panel Cover -  M-LOK - 6 Slot Rail Panel Cover -  M-LOK - 6 Slot
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    Rail Panel Cover - M-LOK - 6 Slot

    JMK

    $28.95
    JMK Rail Panel Cover - M-LOK - 6 Slot JMK M-LOK rail panels are compatible with platforms featuring 6 M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22404-M
    $28.95
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