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 - 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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  • New - H&K Front Sight Blade - HKP-00370
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    HK Front Sight Blade

    H&K Heckler & Koch

    $11.95
    H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames. 
    HKP-00370
    $11.95
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  • New - H&K HK G36 Magwell - Black - HKP-00625 HK G36 Magwell
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    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 - 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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    $19.95
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  • New - SB Tactical HK UMP & B&T APC Pistol Stabilizing Brace - Black - HKP-20084 HK UMP & B&T APC Pistol Stabilizing Brace
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    HK UMP & B&T APC Pistol Stabilizing Brace

    SB Tactical

    $59.95
    SB Tactical HK UMP Pistol Stabilizing Brace The second generation of the SBT and enhances your B&T APC, HK UMP, or LWRCi SMG45 with an integral, right side-folding mechanism and an arm cuff based on the SB-Mini.  The SBT-G2 provides you with all...
    HKP-20084
    $59.95
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  • New - HKP HK UMP, HK USC Lower Axle - HKP-19383
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    HK UMP, USC Lower Axle Pin

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.
    HKP-19383
    $9.95
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  • Used - H&K 91/G3 (7.62x51/.308) F/A Bolt Carrier - Tungsten Filled - Surplus - HKP-01998 HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus
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    HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus

    H&K Heckler & Koch

    $249.95
    HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus  The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all used and in good shape and need to be refinished...
    HKP-01998
    $249.95
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  • New - RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-01499
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    HK G3K Barrel - 7.62 / .308 - 12.69" - Threaded 15x1 RH

    RCM

    $244.95
    RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH Manufactured to exact G3K specifications from cold hammer forged (CHF) steel, this barrel is a direct replacement for worn G3K barrels or ideal for your HKG3K build. It also counts as one US compliance...
    HKP-01499
    $244.95
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  • On Sale
    New - HKP HK VP9SK Bench Mat - BLEMISHED - HKP-18091-B New - HKP HK VP9SK Bench Mat - BLEMISHED - HKP-18091-B
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    HK VP9SK Bench Mat - BLEMISHED

    HKP HK Parts

    Now: $7.95
    Was: $13.95
    HKP HK VP9SK Bench Mat - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK...
    HKP-18091-B
    Now: $7.95
    Was: $13.95
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  • New - H&K HK MR762/417/G28 Ambidextrous Sling Adapter - HKP-16994 HK417 MR762, G28 Ambidextrous Sling Adapter
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    HK417 MR762, G28 Ambidextrous Sling Adapter

    H&K Heckler & Koch

    $129.95
    H&K HK MR762/417/G28 Ambidextrous Sling Adapter HK German manufactured MR762, MR308 & HK 417 Sling Adapter Backplate. This backplate has ambidextrous sling attachment points for both the left and right side of the firearm. Compatible With: HK...
    HKP-16994
    $129.95
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    $129.95
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  • New - HK G36/SL8 (5.56/.223) Extractor Axle - HKP-18370
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    HK G36, SL8 Extractor Axle - USA

    $6.95
    HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, Sl8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK Sl8 models
    HKP-18370
    $6.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Catch - HKP-02472 HK G36, SL8 Bolt Catch
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    HK G36, SL8 Bolt Catch

    H&K Heckler & Koch

    $24.95
    HK G36 & SL8 Bolt Catch On AR-15 systems this part would be similar to a cam pin. Compatible With: G36 G36K G36C SL8 variants
    HKP-02472
    $24.95
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    $24.95
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