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 - H&K 93/53/33 (5.56/.223) Cocking Lever Axle Pin - HKP-01060 HK33, HK53, HK93 Cocking Lever Axle Pin

    HK33, HK53, HK93 Cocking Lever Axle Pin

    H&K Heckler & Koch

    $0.00
    New HK German 93, 33, & 53 Cocking Handle Axle Pin This is a new HK factory part made for the .223 HK rifle for the HK93/33/53, not surplus or a cut-down .308 part, as others offer. This part is the axle pin that holds the cocking handle in place on...
    HKP-01060
    $0.00
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  • On Sale
    New - H&K 93/53/33 (5.56/.223) 4 Position Trigger Goup Complete (0,1,3,F) - HKP-00018 HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete
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    HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete

    H&K Heckler & Koch

    Now: $2,989.95
    Was: $3,399.95
    Heckler and Koch HK33, HK53, HK93 4 Position Burst Trigger Group Complete (0,1,3,F) Factory German HK 4-position burst trigger group configured for push-pin style receivers. This complete assembly is designed for HK93, HK33, and HK53 platforms and...
    HKP-00018
    Now: $2,989.95
    Was: $3,399.95
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    Now: $2,989.95
    Was: $3,399.95
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  • New - HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - HKP-18273 HK MP5, MP5K Locking Piece - Extra Low Impulse - .40 S&W / 10mm
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    HK MP5, MP5K Locking Piece - Extra Low Impulse - .40 S&W / 10mm

    HKP HK Parts

    $49.95
    HKP MP5/K 40/10 Locking Piece - Extra Low Impulse Marked 100 Degree For the MP5 40 or 10mm Firearms. Made out of enhanced material and heat-treated to spec. The #100 degree locking piece is an extra low impulse 40/10 locking piece. To be used with MP5...
    HKP-18273
    $49.95
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  • New - H&K MP5 40/10 SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00445 HK MP5 40/10 SEF Navy Style Trigger Housing - Clipped and Pinned
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    HK MP5 40/10 SEF Navy Style Trigger Housing - Clipped and Pinned

    H&K Heckler & Koch

    $179.95
    H&K MP5 40/10 SEF Navy Style Trigger Housing - Clipped & Pinned A perfect upgrade for your HK MP5 40/10 build. This is the only SEF-style housing available for the MP5 40/10 family of firearms. Each housing is professionally clipped and pinned...
    HKP-00445
    $179.95
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  • Out Of Stock
    New - H&K MP5K 9mm Complete PDW FBI Trigger Group - HKP-02699 HK MP5K 9mm Complete PDW FBI Trigger Group

    HK MP5K 9mm Complete PDW FBI Trigger Group

    H&K Heckler & Koch

    $799.95
    H&K MP5K 9mm Complete PDW FBI Trigger Group 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. Compatible With: HK...
    HKP-02699
    $799.95
    Out Of Stock
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  • On Sale
    New - H&K Burst Hammer For Burst Trigger Groups - HKP-00851 HK MP5, G3, HK33 Hammer with Pressure Shank for Burst Trigger Groups
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    HK MP5, G3, HK33 Hammer with Pressure Shank for Burst Trigger Groups

    H&K Heckler & Koch

    Now: $147.95
    Was: $349.95
    2 or 3-Round Burst Hammer with Pressure Shank HK factory burst trigger pack hammer and pressure shank.  Compatible with 2 and 3-round burst trigger packs: (0,1,3,F), (0,1,2,F), (0,1,3), (0,1,2). Compatible With: HK MP5, MP5K HK SP5, SP5K HK91,...
    HKP-00851
    Now: $147.95
    Was: $349.95
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    Now: $147.95
    Was: $349.95
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  • New - H&K MP5 Stock Locking Lever With Spring - HKP-02560 HK MP5, HK91, G3, HK33, HK53, HK93 A3 Stock Locking Lever with Spring
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    HK MP5, HK91, G3, HK33, HK53, HK93 A3 Stock 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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  • 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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    $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
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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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    $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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  • On Sale
    MKE HK MP5/AP5 Trigger Pack Housing MKE HKP-22259 MKE HK MP5/AP5 Trigger Pack Housing MKE HKP-22259
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    HK MP5, AP5 SEF Trigger Pack Housing - Semi Auto

    MKE

    Now: $84.95
    Was: $124.95
    MKE HK MP5/AP5 SEF Trigger Pack Housing MKE trigger pack Housing for semi-auto SEF trigger housing. OEM part for Century AP5.  Compatible With: HK MP5, MP5K with SEF housing Century Arms AP5, AP5-P with SEF housing
    HKP-22259
    Now: $84.95
    Was: $124.95
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    Now: $84.95
    Was: $124.95
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