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 - HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned - HKP-17945 HK SP5K 9mm Housing - SEF, Navy Style - Clipped & Pinned
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    HK SP5K 9mm Housing - SEF, Navy Style - Clipped & Pinned

    H&K Heckler & Koch

    $199.95
    HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...
    HKP-17945
    $199.95
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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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  • New - B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter - HKP-19860 B&T APC Stock or Brace Adapter - Telescopic
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    B&T APC Stock or Brace Adapter - Telescopic

    B&T Brugger & Thomet

    $94.95
    B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter Swiss made B&T brace adapter for the APC9/APC45/APC223/ACP300 telescopic stock. Adapter replaces the buttpad on the BT-20394 and BT-20407 APC telescopic stocks and allows the attachment...
    HKP-19860
    $94.95
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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 - 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 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 - 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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  • New - HK G36/SL8 (5.56/.223) Extractor Axle - HKP-18370
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    HK G36, SL8 Extractor Axle - USA

    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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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus - HKP-16270 HK91, G3 Fixed Stock - Jungle Green - Surplus
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    HK91, G3 Fixed Stock - Jungle Green - Surplus

    H&K Heckler & Koch

    $25.95
    H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready...
    HKP-16270
    $25.95
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  • HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1 HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1
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    HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1

    FMP HK CONTRACT

    $89.95
    HK G3, 91 Barrel - 7.62/.308 - 17.7" - Threaded 15x1 Original 17.7" FMP G3 barrel threaded 15x1 RH. Portuguese manufactured to HK's military specifications. These surplus barrels are perfect for building a FMP G3 parts kit or as a replacement. Barrels...
    HKP-22532
    $89.95
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  • New - Bore Boss Pull-Through Bore Cleaner - .30 /.308 /7.62mm - HKP-19399 Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30
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    Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30

    Real Avid

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...
    HKP-19399
    $10.95
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  • New - Surefire (5.56/.223) 3-Prong Flash Hider - Threaded 1/2x28 - HKP-17261 HK416, MR556 Flash Hider - 3-Prong - 1/2x28
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    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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