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 - H&K HK SP5 Contoured Style SEF Match Trigger Group - HKP-19422 HK SP5 Contoured Style SEF Match Trigger Group

    HK SP5 Contoured Style SEF Match Trigger Group

    H&K Heckler & Koch

    $799.95
    Contoured Style - SEF - Clipped & Pinned Trigger Group - HK SP5 Ready to drop on your Sp5 receiver. Great replacement trigger group. Each SP5 trigger group includes the following: Properly clipped & pinned housing for SP5 spec shelves The finest...
    HKP-19422
    $799.95
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  • New - H&K HK MR762 Bolt Group Complete DMR - HKP-16627 HK417, MR762 Bolt Group - Complete - DMR
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    HK417, MR762 Bolt Group - Complete - DMR

    H&K Heckler & Koch

    $899.95
    H&K HK MR762 Bolt Group Complete DMR
    HKP-16627
    $899.95
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    $899.95
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  • New - H&K HK MR556/416 Axis Rivet - HKP-16776
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    HK416, MR556 Axis Rivet

    H&K Heckler & Koch

    $4.95
    H&K HK MR556/416 Axis Rivet New HK German HK 416 Rivet. Compatible With: HK MR556 HK 416  
    HKP-16776
    $4.95
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    $4.95
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  • New - H&K HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K - HKP-18855 HK416, HK417, MR556, MR762 Eyelet Sling Adapter - RAL8000
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    HK416, HK417, MR556, MR762 Eyelet Sling Adapter - RAL8000

    H&K Heckler & Koch

    $165.99
    H&K HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K New German HK Factory Eyelet Sling Adapter for Carrying Slings. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK G28
    HKP-18855
    $165.99
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    $165.99
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  • New - GSG9 HK G36/SL8 (5.56/.223) Barrel Retaining Nut - HKP-18252 HK G36, SL8  Barrel Retaining Nut
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    HK G36, SL8 Barrel Retaining Nut

    GSG9

    $53.00
    HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 Variants
    HKP-18252
    $53.00
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    $53.00
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  • HK21E Feed Mechanism - Complete - 7.62 / .308
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    HK21E Feed Mechanism - Complete - 7.62 / .308

    H&K Heckler & Koch

    $22,495.95
    HK21E Feed Mechanism Complete - German HK - DM1 Links New genuine HK date-coded and marked 21E complete feed mechanism. These are the last of the genuine feed mechs available and due to the HK officially discontinuing the 21E, no additional factory units...
    HKP-00584
    $22,495.95
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    $22,495.95
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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Carry Handle Axle Elbow Spring - HKP-00578

    HK21 Carry Handle Axle Elbow Spring

    HKP HK Parts

    $11.95
    HK21 & 21E Carry Handle Axle Elbow Spring This part is needed and is used in conjunction with the actual carry handle, axle, axle spring, and (2) E-clips. This is the elbow spring portion of the needed part for the assembly.
    HKP-00578
    $11.95
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  • New - HK Carry Handle Axle - HKP-00577
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    HK21 Carry Handle Axle

    HKP HK Parts

    $16.95
    HK Carry Handle Axle
    HKP-00577
    $16.95
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    $16.95
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Extended Cocking Handle - HKP-00580

    HK21E, HK23E Cocking Handle - Extended

    H&K Heckler & Koch

    $0.00
    HK21E, HK23E & HK11E, 13E Factory German Extended Cocking Handle This cocking handle is for the HK 21E, HK 23E guns only and will not work in HK91, G3 & PTR rifles.
    HKP-00580
    $0.00
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  • New - RCM MP5 40/10 Complete Bolt Head - HKP-02664 HK MP5 Complete Bolt Head - 10mm / .40 S&W
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    HK MP5 Complete Bolt Head - 10mm / .40 S&W

    RCM

    $211.95
      HK MP5 40/10 Bolt Head Complete - RCM- US Each bolt head incorporates the same enhanced material as all of the new RCM products. Ideal to replace out of spec, worn or broken bolt heads or for that custom build. Each bolt head will work and fit on...
    HKP-02664
    $211.95
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    $211.95
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  • Out Of Stock
    New - H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack - HKP-16971 HK MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack

    HK MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack

    H&K Heckler & Koch

    $0.00
    H&K MP5/K 9mm Ambidextrous Navy Style Trigger Pack Designed for HK MP5 and MP5K 9mm ambidextrous housings and selector levers, this trigger pack features a Navy-style configuration with three positions: Safe, Semi, and Full. It offers the classic...
    HKP-16971
    $0.00
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  • New - H&K 90 Series Hammer Spring Bushing For Burst Trigger Packs - HKP-02398 HK MP5, HK90 Series Hammer Spring Bushing - Burst
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    HK MP5, HK90 Series Hammer Spring Bushing - Burst

    H&K Heckler & Koch

    $19.99
    90 Series Hammer Spring Bushing For Burst Trigger Packs This part will fit both two and three-round burst trigger packs. 
    HKP-02398
    $19.99
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    $19.99
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