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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  • Out Of Stock
    New - B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny - HKP-18045

    Offset Picatinny Optic Mount - 45 Degree - Aimpoint Micro

    B&T Brugger & Thomet

    $129.95
    B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny In order to engage a target at close distance, a secondary optic without magnification is quite useful next to the primary scope, not only for snipers but also for dynamic rifle shooters. The...
    HKP-18045
    $129.95
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    $129.95
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  • New - Magpul AR-15 ACS Stock - Mil-Spec - HKP-01134 Magpul AR-15 ACS Stock - Mil-Spec Magpul HKP-01134
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    AR-15 Stock - ACS - Mil-Spec

    Magpul

    $93.95
    Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. Similar to the Magpul CTR, the ACS also...
    HKP-01134
    $93.95
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  • On Sale
    HK Handguard Sling Pin - Ambi - Small - USED HK Handguard Sling Pin - Ambi - Small - USED
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    HK Handguard Sling Pin - Ambi - Small - USED

    H&K Heckler & Koch

    Now: $42.95
    Was: $61.95
    HK Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a sling hook to...
    HKP-00077-USED
    Now: $42.95
    Was: $61.95
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    Now: $42.95
    Was: $61.95
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  • HK MP5, AP5 Firing Pin Spring HK MP5, AP5 Firing Pin Spring
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    HK MP5, AP5 Firing Pin Spring

    MKE

    $4.88
    HK MP5, AP5 Firing Pin Spring The MKE firing pin spring is compatible with all MP5, AP5, AP5-P, MP5K, and .40/10 variants, as well as most in-spec clones. The firing pin is one of the most frequently replaced repair items, making this spring an essential...
    HKP-22485
    $4.88
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  • HK MP5K, AP5-P Housing - Contoured - 0, 1 HK MP5K, AP5-P Housing - Contoured - 0, 1
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    HK MP5K, AP5-P Housing - Contoured - 0, 1

    MKE

    $169.95
    MKE Contoured 0, 1 Housing for HK MP5K and MKE AP5-P This contoured 0, 1 (safe/fire) trigger housing is for HK MP5K-pattern firearms and is manufactured in Turkey. Compatible With: MP5K MKE AP5-P, AP5-M In-spec clones and custom builds
    HKP-22468
    $169.95
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  • WOOX Vertical Grip - M-LOK WOOX Vertical Grip - M-LOK
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    WOOX Vertical Grip - M-LOK

    WOOX

    $88.95
    WOOX HK Rifle, SMG M-LOK Vertical Grip This M-LOK vertical grip is a compact, ambidextrous foregrip made from American walnut with a reversible dual-wall design (vertical wall AND curved wall) to suit different grip styles. The checkered texture is...
    HKP-22464
    $88.95
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  • WOOX M-LOK Rail Covers - Checkered - GEN2 WOOX M-LOK Rail Covers - Checkered - GEN2
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    WOOX M-LOK Rail Covers - Checkered - GEN2

    WOOX

    $38.95 - $48.95
    WOOX Checkered GEN2 HK Rifle, SMG M-LOK Rail Covers The checkered GEN2 M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection. The Checkered texture uses black nylon bushings and is...
    HKP-22463-M
    $38.95 - $48.95
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  • WOOX Woody Stock - Walnut - Picatinny Mount WOOX Woody Stock - Walnut - Picatinny Mount
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    WOOX Woody Stock - Walnut - Picatinny Mount

    WOOX

    $228.95 - $298.95
    WOOX Woody Stock - Walnut The WOOX Woody Stock is a premium upgrade for rifles and SMGs featuring a Picatinny stock interface. Crafted from solid American walnut, it delivers classic warmth with modern ergonomics; featuring an adjustable cheek riser, QD...
    HKP-22461-M
    $228.95 - $298.95
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  • Arm Brace Hook
Arm Brace Hook
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    Arm Brace Hook

    MI Midwest Industries

    $97.95
    Midwest Industries Arm Brace Hook The Arm Brace Hook is designed for pistols that use a 1.2" diameter buffer tube. It provides a secure and stable point of contact while offering a built-in, ambidextrous QD sling interface. Specifications: Works with...
    HKP-22417
    $97.95
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  • HK MP5K End Cap MKE HKP-22373 HK MP5K End Cap MKE HKP-22373
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    HK MP5K End Cap w/ Swivel Attachment

    MKE

    $69.95
    MKE HK MP5K End Cap with Swivel Attachment Durable factory-style end cap designed for MP5K platforms. Provides a secure sling mounting point for MP5K pistols. Compatible With: HK MP5K HK SP89 HK SP5K (may require some fitting, install lower pin before...
    HKP-22373
    $69.95
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  • HK416, MR556 Barrel Flute Cleaning Brush - 5.56 / .223 HK416, MR556 Barrel Flute Cleaning Brush - 5.56 / .223
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    HK416, MR556 Barrel Flute Cleaning Brush - 5.56 / .223

    HKP HK Parts

    $24.95
    HK MR556, HK416 Cleaning Brush - Barrel Flute - 5.56 / .223 This brush is a must-have for cleaning the chamber flutes on a MR556 or HK416 firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly. An HK fluted barrel...
    HKP-22316
    $24.95
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    $24.95
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  • HKP HK MP5 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22250 HKP HK MP5 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22250
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    HK MP5 Trigger Group - AC Unity Grip - Match Trigger

    HKP HK Parts

    $644.85
    HKP HK MP5 Trigger Group with AC Unity Grip & Match Trigger The MP5 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust metal housing and a top-tier...
    HKP-22250
    $644.85
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    $644.85
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