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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  • On Sale
    Used - H&K HK G3, 91, PTR Bolt Head Complete - Used - HKP-21902 HK91, G3, PTR Bolt Head Complete - Used
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    HK91, G3, PTR Bolt Head Complete - Used

    H&K Heckler & Koch

    Now: $78.95
    Was: $99.95
    German HK G3 & HK 91 & PTR Bolt Head Complete - Used German Date Coded Made in Germany. Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3 rifles. Each bolt head is in good shape...
    HKP-21902
    Now: $78.95
    Was: $99.95
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    Now: $78.95
    Was: $99.95
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  • On Sale
    New - B&T Bolt or Suppressor Pouch - Small - Velcro Mount - HKP-21886 Bolt or Suppressor Pouch - Small - Velcro Mount
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    Bolt or Suppressor Pouch - Small - Velcro Mount

    B&T Brugger & Thomet

    Now: $9.95
    Was: $19.95
    B&T Bolt or Suppressor Pouch - Small - Velcro Mount The B&T Bolt Pouch is a Velcro attaching pouch to securely hold and protect your .308 bolt during transport and field operations. Designed for the B&T APR338 bolt but will fit other,...
    HKP-21886
    Now: $9.95
    Was: $19.95
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    Now: $9.95
    Was: $19.95
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  • New - HKP HK MP5K to G3 Brace/Stock Adapter - HKP-21853 HK MP5K to G3 Stock or Brace Adapter
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    HK MP5K to G3 Stock or Brace Adapter

    HKP HK Parts

    $113.95
    HKP HK MP5K to G3 Brace/Stock Adapter The MP5K/G3 adapter enables seamless compatibility between MP5K firearms and G3-style stocks. Designed  for a  secure and sturdy connection, it's an excellent upgrade for those looking to customize or swap...
    HKP-21853
    $113.95
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    $113.95
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  • New - Holosun HK VP9/MP5 Reflex Sight HE-507K - Green - HKP-21677 Holosun HK VP9/MP5 Reflex Sight HE-507K - Green
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    Holosun HK VP9/MP5 Reflex Sight HE-507K - Green

    Holosun

    $354.95
    Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...
    HKP-21677
    $354.95
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    $354.95
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  • New - B&T Direct Thread 1/2x28 Hub Adapter - HKP-21506 B&T 1/2x28 Direct Thread to Hub Adapter
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    B&T 1/2x28 Direct Thread to Hub Adapter

    B&T Brugger & Thomet

    $89.95
    B&T Direct Thread 1/2x28 Hub Adapter Convert any 1/2x28 RH threaded barrel to accept Hub devices with this direct fit adapter. Compatible With: HK MP5, MP5K, SP5, SP5K HK MR556 HK UMP 9mm B&T APC223, SPC223 B&T APC9K B&T GMH9...
    HKP-21506
    $89.95
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    $89.95
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  • New - AR, M4 Brace/Stock Adapter - HK SP5 - HKP-20748 HK SP5, AR, M4 Adapter - Stock or Brace
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    HK SP5, AR, M4 Adapter - Stock or Brace

    HKP HK Parts

    $99.95
    AR, M4 Brace/Stock Adapter - HK SP5 This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way to add a stock or pistol brace to any HK SP5.  Easy...
    HKP-20748
    $99.95
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    $99.95
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  • New - HKP HK G36, G36K Folding Stock - FDE - HKP-19298 HKP HK G36, G36K Folding Stock - FDE
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    HKP HK G36, G36K Folding Stock - FDE

    HKP HK Parts

    $109.95
    Folding Stock - HK G36, G36K - Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock to choose the G36C length stock. Each...
    HKP-19298
    $109.95
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    $109.95
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  • New - HKP HK UMP, HK USC, HK G36 Hand Stop Complete - Black - HKP-19236 HK UMP, USC, G36 Handstop - Complete
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    HK UMP, USC, G36 Handstop - Complete

    HKP HK Parts

    $49.95
    Hand Stop Complete - USA - UMP, USC & G36 Compatible With: USC UMP G36K G36C
    HKP-19236
    $49.95
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  • New - H&K HK SL8 Trigger Return Elbow Spring - HKP-16391
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    HK SL8 Trigger Return Elbow Spring

    H&K Heckler & Koch

    $9.99
    HK SL8 Trigger Return Elbow Spring This is the lighter spring weight found only in the SL8 firearms. The G36 trigger return spring is much heavier in weight and thus has a heavier trigger pull over the SL8 trigger pull.
    HKP-16391
    $9.99
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    $9.99
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  • New - Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green - HKP-19981 HK416, MR556, HK417, MR762 Tactical Deluxe Grip with Palm Shelf  - OD Green
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    HK416, MR556, HK417, MR762 Tactical Deluxe Grip with Palm Shelf - OD Green

    Ergo

    $59.95
    Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green The Tactical Deluxe with Palm Shelf is the same size and shape as the Tactical Deluxe grip but has the addition of an adjustable palm shelf to support your firing hand. This grip excels on precision...
    HKP-19981
    $59.95
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    $59.95
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  • Used - Swiss Military Single Point Sling - OD Green - Used - HKP-19794 Swiss Military Single Point Sling - OD Green - Used
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    Swiss Military Single Point Sling - OD Green - Used

    Other

    $34.95
    Swiss Military Single Point Sling in OD Green - USED  
    HKP-19794
    $34.95
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    $34.95
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  • New - H&K HK MR762 M-LOK 14.7" Handguard - Black - HKP-19775 HK MR762 M-LOK Handguard - 14.7"
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    HK MR762 M-LOK Handguard - 14.7"

    H&K Heckler & Koch

    $294.95
    H&K HK MR762 M-LOK 14.7" Handguard - Black This handgurad is 14.7" long featuring a flat top Picatinny Rail and M-LOK attachment points. Compatible With: HK MR762
    HKP-19775
    $294.95
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    $294.95
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