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 - Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower - HKP-19071 HK MP5, HK33, HK91 Grip Wrap for SEF Contoured Lowers
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    HK MP5, HK33, HK91 Grip Wrap for SEF Contoured Lowers

    Solar Tactical

    $79.95
    Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over...
    HKP-19071
    $79.95
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  • HK G36C Apparel - Hats, Patches, and Shirts HK G36C Apparel - Hats, Patches, and Shirts
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    HK G36C Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK G36C Apparel and Patch Collection  Represent your platform with the HK Parts G36C Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22456-M
    $0.00
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  • HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
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    HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny

    MI Midwest Industries

    $119.95
    Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting...
    HKP-22397
    $119.95
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  • Out Of Stock
    HK G36 Cheek Riser for Folding Stock HK G36 Cheek Riser for Folding Stock

    HK G36 Cheek Riser for Folding Stock

    Haga Defense

    $82.00
    Haga Defense Cheek Riser for HK G36, HK G36C, HK G36K, HK G36 .22LR Folding Stocks Cheek riser for HK G36 rifles and compatible stocks. Raises cheek weld by ~20mm for proper sight alignment with iron sights, red dots, and low-mounted optics. Made from...
    HKP-22359
    $82.00
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  • On Sale
    Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED FA Franklin Armory HKP-18881-B Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED FA Franklin Armory HKP-18881-B
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    CZ Scorpion Binary Trigger - Curved - BFSIII - BLEMISHED

    FA Franklin Armory

    Now: $349.99
    Was: $495.95
    Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...
    HKP-18881-B
    Now: $349.99
    Was: $495.95
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    Was: $495.95
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  • ACR Folding Stock - Telescopic 7 Position - Picatinny Rail ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
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    ACR Folding Stock - Telescopic 7 Position - Picatinny Rail

    F5 MFG

    $249.95
    F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm. Features: 7-position...
    HKP-22280-M
    $249.95
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    $249.95
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  • On Sale
    MKE HK MP5/AP5 End Cap Complete MKE HKP-22258 MKE HK MP5/AP5 End Cap Complete MKE HKP-22258
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    HK MP5, AP5 End Cap - Complete

    MKE

    Now: $64.95
    Was: $89.95
    MKE HK MP5/AP5 End Cap Complete Replacement end cap made by MKE on HK tooling. This robust all-steel end cap is a superior upgrade from the standard polymer options. It not only features an integrated H buffer for enhanced performance but also includes a...
    HKP-22258
    Now: $64.95
    Was: $89.95
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  • On Sale
    New - H&K HK416A1 10.4" Upper Receiver Kit - AI Date Code (2008) - PD Trade-In - HKP-22245 H&K HK 416 10.4 - AI Upper H&K Heckler & Koch HKP-22245
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    HK416 A1 Upper Receiver - 10.4"

    H&K Heckler & Koch

    Now: $2,999.95
    Was: $3,499.95
    HK416 10.4" Complete Upper Receiver Features: Factory German 10.4" length 2008 date coded   P.D. trade-in, de-serialized during the de-milling process.  Finish your build with a matching lower from STS Tactical. Compatible With: HK416
    HKP-22245
    Now: $2,999.95
    Was: $3,499.95
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  • New - MKE AP5-P/M Handguard with Hand Stop - HKP-22221 Century Arms AP5-P, AP5-M Handguard with Handstop
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    Century Arms AP5-P, AP5-M Handguard with Handstop

    MKE

    $34.95
    MKE AP5-P/M Handguard with Hand Stop MKE handguard for the MKE manufactured Century AP5-P and AP5-M.  Please note: Will fit other MP5K style receivers with some slight fitting.  Compatible With: MKE/Century Arms AP5-P MKE/Century Arms...
    HKP-22221
    $34.95
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  • On Sale
    New - MKE AP5, MP5 Front Sight Tower - HKP-22220 HK MP5, AP5 Front Sight Tower
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    HK MP5, AP5 Front Sight Tower

    MKE

    Now: $37.46
    Was: $49.95
    MKE AP5, MP5 Front Sight Tower The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms AP5K/M Clones with...
    HKP-22220
    Now: $37.46
    Was: $49.95
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  • Out Of Stock
    New - B&T MR762/417 Flash Hider - 15x1RH - HKP-22162

    HK417, MR762, G36 Flash Hider - ROTEX SF - Threaded 15x1 RH

    B&T Brugger & Thomet

    $119.95
    B&T Brugger and Thomet Flash Hider fits our HK417, HK MR762, and HK G36 - ROTEX SF B&T flash hider for any 5.56/.223 or 7.62x51/.308 firearm threaded in 15x1 RH. Compatible With: HK416 HK417 HK MR556 HK MR762 HK G36 Rifles threaded 15x1 RH
    HKP-22162
    $119.95
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  • New - SB Tactical SBA3 5 Position Adjustable Stabilizing Brace - HKP-21927 SBA3 5 Position Adjustable Stabilizing Brace
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    SBA3 5 Position Adjustable Stabilizing Brace

    SB Tactical

    $109.95
    SB Tactical SBA3 5 Position Adjustable Stabilizing Brace The SBA3™ is a minimalist, 5-position adjustable stabilizing brace designed for platforms that accept a mil-spec carbine receiver extension (not included). It features an integral...
    HKP-21927
    $109.95
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