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 MR762/417/G28 Handguard Rail System Screw - Black - HKP-16601 HK416, MR556, HK417, MR762 Handguard Locking Screw
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    HK416, MR556, HK417, MR762 Handguard Locking Screw

    H&K Heckler & Koch

    $16.95
    HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver.  Compatible With: HK HK416 HK MR556 HK HK417 (2 required per handguard) HK MR762 (2 required per handguard)
    HKP-16601
    $16.95
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  • HK416, MR556, HK417, MR762 Carrying Sling - FDE HK416, MR556, HK417, MR762 Carrying Sling - FDE
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    HK416, MR556, HK417, MR762 Carrying Sling - FDE

    H&K Heckler & Koch

    $169.95
    Heckler and Koch HK416, HK MR556, HK417, and HK MR762 Carrying Sling - FDE Compatible With: HK416, HK MR556 HK417, MR762 HK CR556 HK G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the...
    HKP-18491
    $169.95
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  • Out Of Stock
    New - HKP HK G36C Barrel Front End Kit - HKP-18228 8.9" barrel threaded 15x1, G36C forearm with heat shield, hand stop and sling loops, 4-prong flash hider with retaining ring, gas piston with piston rings installed, piston rod and spring assembly complete, gas block piston assembly, barrel nut

    HK G36C Barrel Conversion and Front End Kit - 5.56 / .223 - 8.9" - Threaded 15x1

    HKP HK Parts

    $889.95
    G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...
    HKP-18228
    $889.95
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) QD Sling Pin for Stock Block B - HKP-18776 HK UMP, USC Sling Pin, Stock Block B - QD
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    HK UMP, USC Sling Pin, Stock Block B - QD

    HKP HK Parts

    $74.95
    Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop -  Style Pin in your Stock Block B for use of a QD Sling.
    HKP-18776
    $74.95
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  • Used - H&K 91/G3 (7.62x51/.308) Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus - HKP-16269
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    HK91, G3 Fixed Buttstock, Complete with Enhanced Heavy Buffer - Surplus

    H&K Heckler & Koch

    $269.95
    German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...
    HKP-16269
    $269.95
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  • Out Of Stock
    New - H&K HK53/51 Vented Handguard - Vertical - HKP-00469 HK53, HK51 Vented Handguard - Vertical

    HK53, HK51 Vented Handguard - Vertical

    H&K Heckler & Koch

    $149.95
    HK German HK53, HK51 Vented Hand Guard - Vertical Style This HK German part is the proper length for use on the HK 53 or HK51 length receivers. The handguard is vented on all 3 sides to promote barrel cooling and provide additional grip. Compatible...
    HKP-00469
    $149.95
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  • New - HKP MP5 40,10 Magazine Release Paddle Lever - HKP-01274 HK MP5 Paddle Magazine Release Lever - .40 S&W, 10mm
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    HK MP5 Paddle Magazine Release Lever - .40 S&W, 10mm

    HKP HK Parts

    $59.95
    HKP HK Parts Magazine Release Lever for .40 S&W and 10mm HK MP5  Compatible with MP5  
    HKP-01274
    $59.95
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    $59.95
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  • New - H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group - HKP-16725
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    HK MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group

    H&K Heckler & Koch

    $1,999.95
    H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group New HK German MP5, SP5 9mm 4 Position Burst (0,1,3, F) Trigger Housing professionally clipped & pinned and paired with a factory German MP5 trigger pack ready for your semi-auto...
    HKP-16725
    $1,999.95
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  • New - H&K MP5 9mm Cocking Tube - HKP-00093
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    HK MP5 Cocking Tube - 9mm

    H&K Heckler & Koch

    $109.95
    H&K MP5 9mm Cocking Tube New factory German HK uninstalled part directly from HK Germany. Rare and hard to find. Compatible With: MP5, 94, SP5 MP5 clones or other custom builds
    HKP-00093
    $109.95
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  • Out Of Stock
    Used - H&K MP5, MP5K Case Deflector - HKP-00871 HK MP5, MP5K Case Deflector

    HK MP5, MP5K Case Deflector

    H&K Heckler & Koch

    $0.00
    HK German case deflector for receiver flat or receiver for all MP5, HK94, MP5K & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver/flat to aid in the extraction of the 9mm round. HK MP5, 94 HK...
    HKP-00871
    $0.00
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  • HK G3 Apparel - Hats, Patches, and Shirts HK G3 Apparel - Hats, Patches, and Shirts
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    HK G3 Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK G3 Apparel and Patch Collection  Represent your platform with the HK Parts G3 Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22458-M
    $0.00
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  • HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1 HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
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    HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1

    HKP HK Parts

    $0.00
    HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22454-M
    $0.00
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