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 - PTR Triple Frame/Front Sight Tower for PTR Barrels - HKP-16325
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    HK PTR91 Triple Frame Sight Tower

    H&K Heckler & Koch

    $49.95
    PTR Triple Frame/Front Sight Tower for PTR Barrels This is a German HK triple frame that has been machined to accept the larger profile of the PTR barrels. Ready to use on your PTR91 barrels. Each sight tower includes machined front sight tower to fit...
    HKP-16325
    $49.95
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  • New - HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - HKP-18039
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    HK MP5 Parts Kit - Pistol Build - Receiver Flat and Weldment Set - 9mm

    HKP HK Parts

    $1,699.95
    MP5 9mm Pistol Build Kit Complete German & USA Made Parts MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...
    HKP-18039
    $1,699.95
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  • HK MP5, AP5 Firing Pin Spring HK MP5, AP5 Firing Pin Spring
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    HK MP5, AP5 Firing Pin Spring

    MKE

    $4.88
    HK MP5, AP5 Firing Pin Spring The MKE firing pin spring is compatible with all MP5, AP5, AP5-P, MP5K, and .40/10 variants, as well as most in-spec clones. The firing pin is one of the most frequently replaced repair items, making this spring an essential...
    HKP-22485
    $4.88
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  • Used - Compression Rod - 90's Series - Titanium - HKP-20887 HK 90's Series Compression Rod - Titanium
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    HK 90's Series Compression Rod - Titanium

    HKP HK Parts

    $29.95
    Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...
    HKP-20887
    $29.95
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  • New - HKP MP5K/SP5K/SP89 Side Folding Brace Adapter - HKP-20798-M HK MP5K, SP5K, SP89 Side Folding Brace Adapter
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    HK MP5K, SP5K, SP89 Side Folding Brace Adapter

    HKP HK Parts

    $119.95
    HKP MP5K/SP5K/SP89 Side Folding Brace  Adapter The HK Parts folding brace adapter is the best option to attach the SB tactical Folding brace or any brace that utilizes the same mounting system. Hardware included for a quick and easy installation. QD...
    HKP-20798-M
    $119.95
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  • Out Of Stock
    New - H&K HK G36 Magwell - Black - HKP-00625 HK G36 Magwell

    HK G36 Magwell

    H&K Heckler & Koch

    $79.95
    H&K HK G36 Magwell - Black Factory German G36 magwell.  Great for a replacement component or a critical piece of the puzzle when converting an SL8 to a G36.  Compatible with factory HK and Magpul G36 magazines alike. Compatible With: HK...
    HKP-00625
    $79.95
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  • New - H&K HK UMP & HK USC Extended Top Rail For Optics with Screws - HKP-20502 HK UMP, USC Top Rail for Optics with Screws - Extended
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    HK UMP, USC Top Rail for Optics with Screws - Extended

    H&K Heckler & Koch

    $79.95
    H&K HK UMP & HK USC Extended Top Rail For Optics with Screws This rail is nearly an 1" longer than the standard length top rail. This Picatinny top rail allows the user to add an Eotech, Aimpoint, Acog, etc. This unit is the best quality &...
    HKP-20502
    $79.95
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  • New - HKP Long Sleeve Tee - OD Green - HKP-21025-M
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    HKP Shirt - Long Sleeve - OD Green

    HKP HK Parts

    $19.95
    HKP Long Sleeve Shirt - OD Green Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...
    HKP-21025-M
    $19.95
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  • New - SB Tactical HK MP5 Brace with HKP Brace/Stock Adapter - HKP-20214 HK MP5 Brace With Direct Fit Adapter
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    HK MP5 Brace With Direct Fit Adapter

    HKP HK Parts / SB Tactical

    $299.95
    HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Made...
    HKP-20214
    $299.95
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  • Out Of Stock
    New - Surefire (5.56/.223) 3-Prong Flash Hider - Threaded 1/2x28 - HKP-17261 HK416, MR556 Flash Hider - 3-Prong - 1/2x28

    HK416, MR556 Flash Hider - 3-Prong - 1/2x28

    Surefire

    $168.95
    Surefire (5.56/.223) 3-Prong Flash Hider - Threaded 1/2x28 The flash hider is engineered for M4/M16 and variants with 1/2x28 muzzle threads. Its patent-pending design reduces muzzle flash by over 99% compared to a plain muzzle. Built from US...
    HKP-17261
    $168.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Ambidextrous Sling Loop - HKP-00611 HK G36, SL8, UMP, USC Handguard Sling Loop - Ambidextrous
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    HK G36, SL8, UMP, USC Handguard Sling Loop - Ambidextrous

    H&K Heckler & Koch

    $40.95
    UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the hard mounting points located on the forearm of the...
    HKP-00611
    $40.95
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  • New - HKP MP5K/SP89/SP5K 9mm Cocking Tube Support Complete - HKP-18103 HK MP5K, SP89, SP5K Cocking Tube Support - 9mm
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    HK MP5K, SP89, SP5K Cocking Tube Support - 9mm

    HKP HK Parts

    $49.95
    MP5K, SP89 & SP5K Cocking Tube Support Complete - USA The cocking tube support is the same for the HK SP-89, MP5K & SP5K. Each support is complete with detent and spring installed. These can also be used to replace the plastic or cheaply made...
    HKP-18103
    $49.95
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