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 - MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28 - HKP-17941 MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28
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    MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28

    MFI

    $79.95
    MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28 The G28 2nd Gen flash hider features the latest style and is threaded 1/2x28. Constructed from ordnance-grade steel, it is finished with a semi-matte, mil-spec black oxide coating for enhanced...
    HKP-17941
    $79.95
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  • New - HKP HK USC, HK UMP Cocking Handle Assembly - HKP-19155
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    HK USC, UMP Cocking Handle Assembly - Complete

    HKP HK Parts

    $149.95
    HKP Cocking Handle Assembly for HK USC, UMP Complete cocking handle assembly for HK USC and HK UMP platforms. US-made and built to factory-spec dimensions and includes all required components for proper function and replacement. Includes: Steel cocking...
    HKP-19155
    $149.95
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  • New - Timney Triggers HK MP5, HK 91/93/94, HK G3 2-Stage Trigger - HKP-20500 HK MP5, HK91, G3, HK93, HK94 2-Stage Trigger
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    HK MP5, HK91, G3, HK93, HK94 2-Stage Trigger

    Timney Triggers

    $298.95
    Timney Trigger for MP-5, HK 91/93/94, G3, Clones The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage pull weight. All trigger parts have been expertly designed and precision machined from premium materials...
    HKP-20500
    $298.95
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  • HK G3, HK33, HK93 Bayonet w/Scabbard - Surplus
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    HK G3, HK33, HK93 Bayonet w/Scabbard - Surplus

    H&K Heckler & Koch

    $106.95
    HK G3, HK33, HK93 Bayonet with Scabbard - Surplus Genuine German HK military surplus bayonet in used/good condition. These are the 12-groove version of the popular military bayonet.  Scabbard is included. Compatible With: HK G3 HK91 HK33 HK93
    HKP-19691
    $106.95
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  • New - B&T HK MR556/MR762/416/417 Brass Catcher - HKP-16899 HK416, MR556, HK417, MR762 Brass Catcher
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    HK416, MR556, HK417, MR762 Brass Catcher

    B&T Brugger & Thomet

    $289.95
    B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard.  If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...
    HKP-16899
    $289.95
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  • Out Of Stock
    New - H&K HK MR556/416 Quad Rail w/ Flip Up Sight - Black - HKP-17710

    HK416, MR556 Quad Rail w/ Flip Up Sight

    H&K Heckler & Koch

    $599.95
    HK 416A5 9" Quad Rail With Flip Up Front Sight New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and non-suppressed...
    HKP-17710
    $599.95
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  • Out Of Stock
    New - H&K G36/SL8 (5.56/.223) Factory Recoil Buffer - HKP-00290

    HK G36, SL8 Recoil Buffer - Factory

    H&K Heckler & Koch

    $20.95
    HK G36 Or SL8 Factory Recoil Buffer   A critical spare part as these buffers deteriorate with usage and time.    
    HKP-00290
    $20.95
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  • New - H&K G36/SL8 (5.56/.223) Ejector Spring - HKP-01867
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    HK G36, SL8 Ejector Spring

    H&K Heckler & Koch

    $35.95
    HK G36 & SL8 Series Ejector Spring - HK German This is a great item to have on hand as this part is prone to wear and breakage.
    HKP-01867
    $35.95
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  • New - HK G36/SL8 (5.56/.223) Cocking Handle Spring - HKP-18369 HK G36, SL8 Cocking Handle Spring - US
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    HK G36, SL8 Cocking Handle Spring - US

    $9.95
    G36 Cocking Handle Spring- US Made   Compatible With: G36 All variants SL8 All variants
    HKP-18369
    $9.95
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  • New - H&K USC (.45 ACP) 10 Round Factory Magazine Spring - HKP-15284 HK USC Magazine Spring
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    HK USC Magazine Spring

    H&K Heckler & Koch

    $8.95
    H&K USC (.45 ACP) 10 Round Factory Magazine Spring Compatible With: HK USC 10 Round magazines
    HKP-15284
    $8.95
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  • New - HKP MP5K 9mm Complete Pistol Build Kit - HKP-02604 HK MP5K Parts Kit - 9mm - Pistol Build
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    HK MP5K Parts Kit - 9mm - Pistol Build

    HKP HK Parts

    $1,889.95
    MP5K, MP5K-N Style Pistol Build Kit Complete  The finest USA and German-made parts for a complete parts kit for an MP5K, MP5K-N pistol build. Each Kit Includes The Following HK Parts: Barrel - 5.5" button rifled, 3-lugged & threaded 1/2x28 with...
    HKP-02604
    $1,889.95
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  • Out Of Stock
    New - HK Parts MP5SD 9mm Barrel - Threaded 18x1 - HKP-17755 HK MP5SD Barrel - 9mm - Threaded 18x1

    HK MP5SD Barrel - 9mm - Threaded 18x1

    HKP HK Parts

    $169.95
    HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...
    HKP-17755
    $169.95
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