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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  • HK G36 2 Position Lower Housing - FDE HK G36 2 Position Lower Housing - FDE
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    HK G36 2 Position Lower Housing - FDE

    HKP HK Parts

    $154.95
    HK G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing This lower housing is available without internals, a unique offering as G36 lowers previously only came as complete trigger groups with both grip and internals. Ideal for SL8 to G36 conversions,...
    HKP-22510
    $154.95
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  • Out Of Stock
    On Sale
    HK Ambidextrous Sling - Green - BLEMISHED HK Ambidextrous Sling - Green - BLEMISHED

    HK Ambidextrous Sling - Green - BLEMISHED

    H&K Heckler & Koch

    Now: $97.95
    Was: $149.95
    HK Ambidextrous Sling - Green - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling...
    HKP-00183-B
    Now: $97.95
    Was: $149.95
    Out Of Stock
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    Now: $97.95
    Was: $149.95
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  • HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - ETS HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - ETS
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    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - ETS

    MKE

    $59.99
    MKE AP5, HK MP5 ETS-Style Contoured Trigger Housing This contoured trigger housing is manufactured by MKE for MP5 and AP5 pattern firearms and features an ETS selector configuration. Designed for 9mm platforms, it provides proper ergonomics and...
    HKP-22496
    $59.99
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    $59.99
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  • HK UMP Apparel - Hats, Patches, and Shirts HK UMP Apparel - Hats, Patches, and Shirts
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    HK UMP Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK UMP Apparel and Patch Collection  Represent your platform with the HK Parts UMP Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22459-M
    $0.00
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  • HK MP5, SP5 Folding Stock - 11" HK MP5, SP5 Folding Stock - 11"
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    HK MP5, SP5 Folding Stock - 11"

    Zenith

    $99.95
    Zenith HK MP5, SP5 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5 receivers. Specifications: Polymer and fiberglass reinforced Weight: 14.4...
    HKP-22420
    $99.95
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    $99.95
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  • HK91, G3 Backplate Assembly - Used FMP HK CONTRACT HKP-22374-USED HK91, G3 Backplate Assembly - Used FMP HK CONTRACT HKP-22374-USED
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    HK91, G3 Backplate Assembly - Surplus

    FMP HK CONTRACT

    $14.95
    FMP HK91, G3 Backplate Assembly - Used/Surplus G3 surplus backplate assembly manufactured by FMP on HK tooling. Compatible With: HK G3, HK91
    HKP-22374
    $14.95
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  • Out Of Stock
    HK MP5 Safety Select Catch Lever Sleeve H&K Heckler & Koch HKP-22337 HK MP5 Safety Select Catch Lever Sleeve H&K Heckler & Koch HKP-22337

    HK MP5 Safety Select Catch Lever Sleeve - Ambi

    H&K Heckler & Koch

    $12.95
    HK MP5 Safety Select Catch Lever Sleeve - Ambidextrous Trigger Packs Factory replacement sleeve for the safety selector catch lever. Compatible With the Following Ambidextrous Trigger Packs: HK MP5/MP5K HK91/G3 HK93/53/33 HK23/21/11 ***Not compatible...
    HKP-22337
    $12.95
    Out Of Stock
    Qty in Cart: 0
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    $12.95
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  • HK MP5 .22LR A2 Stock Adapter HKP HK Parts HKP-22326 HK MP5 Stock or Brace Adapter - A2 - .22LR
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    HK MP5 Stock or Brace Adapter - A2 - .22LR

    HKP HK Parts

    $124.95
    HK MP5 .22LR A2 Stock Adapter The MP5 .22LR adapter provides a solid mounting interface to add an HK91/G3 A2 stock section. Features: Ambidextrous QD sling attachment points Easy installation with included hardware CNC machined from aircraft-grade...
    HKP-22326
    $124.95
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  • HK 91/G3 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22322 HK 91/G3 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22322
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    HK91, G3 Metal Trigger Housing Conversion Kit - AC Unity Grip

    HKP HK Parts

    $189.95
    HK91, G3 Metal Trigger Housing Conversion Kit - AC Unity Grip This kit includes everything you need to convert a polymer HK91 or G3 trigger group a robust metal housing. Simply use your existing semi-auto SEF trigger pack to complete the conversion. This...
    HKP-22322
    $189.95
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    $189.95
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  • On Sale
    HK SP5 2 Position Trigger Housing New - HK SP5 2 Position Trigger Housing - HKP-99273
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    HK SP5 2 Position Trigger Housing

    Now: $59.95
    Was: $99.95
    HK SP5 2 Position Trigger Housing - USED CONDITION WILL VARY - SEE PHOTOS FOR EXAMPLES - SOLD INDIVIDUALLY Used 2 position (0,1) trigger housing for the SP5. Compatible With: HK SP5 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE...
    HKP-99273
    Now: $59.95
    Was: $99.95
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    Was: $99.95
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  • Used - H&K Rifle Buttpad for Wooden Stocks - Used - HKP-22211 HK Rifle Buttpad for Wooden Stocks - Used
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    HK Rifle Buttpad for Wooden Stocks - Used

    HKP HK Parts

    $16.95
    H&K Buttpad for Wooden Stocks - Enhanced Polymer Buttpad - Used Used and in varying condition. See photos for examples. The enhanced polymer buttpad is a direct replacement for the standard fixed stock buttpad and can be swapped out in seconds. No...
    HKP-22211
    $16.95
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    $16.95
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  • HK416 A5 Front Sight Adapter HK416 A5 Front Sight Adapter
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    HK416 A5 Front Sight Adapter

    H&K Heckler & Koch

    $97.95
    H&K HK416 A5 Front Sight Adapter Designed for secure and precise installation of factory-style front sights. Compatible With: HK 416
    HKP-22204
    $97.95
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    $97.95
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