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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  • HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28 HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28
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    HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28

    MFI

    $138.95
    MFI HK MP5K, SP5K KAC-Navy Faux Suppressor - 1/2x28 The MFI faux KAC-Navy suppressor is designed to thread onto any 1/2x28 barrels and fully enclose the 3-lugs, ensuring an authentic-looking fit and finish. Inspired by the coveted KAC MP5N suppressor,...
    HKP-22364
    $138.95
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  • New - H&K MR556 A4 11″ 5.56 M-LOK Upper Receiver Kit - HKP-21910 HK MR556 A4 Upper Receiver Kit - 11"-  M-LOK
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    HK MR556 A4 Upper Receiver Kit - 11"- M-LOK

    H&K Heckler & Koch

    $1,998.95
    H&K Heckler & Koch MR556 Upper Receiver Kit A4 -11″ - M-LOK  This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod system. This...
    HKP-21910
    $1,998.95
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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 - Universal SP5, MP5 Clipping and Pinning Service - HKP-20472 HK MP5, SP5 Universal Clipping and Pinning Service
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    HK MP5, SP5 Universal Clipping and Pinning Service

    USA

    $149.95
    HK Clip and Pin Service for Universal HK SP5 and HK MP5 At HK Parts we offer our own HK trigger housing clip and pin services. No one does a better job with quicker turn around then we do. We will clip and pin any "push pin" plastic housing to the SP5...
    HKP-20472
    $149.95
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  • Used - H&K G3 (7.62x51/.308) Parts Kit - HKP-00827 HK G3 Parts Kit
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    HK G3 Parts Kit

    H&K Heckler & Koch

    $397.95
    HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...
    HKP-00827
    $397.95
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  • New - Ergo M-LOK Hand Stop - HKP-17852
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    Ergo M-LOK Handstop

    Ergo

    $54.95
    M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all M-LOK style forearms or...
    HKP-17852
    $54.95
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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 - B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter - HKP-19860 B&T APC Stock or Brace Adapter - Telescopic

    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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  • New - Viridian AR M-LOK Hand Stop Laser - Green - HKP-19464 AR M-LOK Handstop Laser - Green
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    AR M-LOK Handstop Laser - Green

    Viridian

    $178.95
    Viridian AR M-LOK Hand Stop Laser - Green Viridian, the leader in weapon-mounted technology, is responsible for a number of firearm innovations - including green and red laser sights. Viridian's new HS1 is the world's first AR hand stop with an...
    HKP-19464
    $178.95
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  • Out Of Stock
    New - Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red - HKP-19188

    M-LOK Rail Section - 7 Slot - KeyMod - Red

    Strike Industries

    $25.95
    Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...
    HKP-19188
    $25.95
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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 - H&K HK MR762, 417, G28 Ambidextrous Sling Adapter - HKP-16994 HK417, MR762, G28 Sling Adapter - Ambi
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    HK417, MR762, G28 Sling Adapter - Ambi

    H&K Heckler & Koch

    $129.95
    Heckler and Koch Ambidextrous Sling Adapter for HK417, HK MR762, and HK G28 HK German manufactured MR762 and HK417 Sling Adapter Backplate. This backplate has ambidextrous sling attachment points for both the left and right side of the firearm...
    HKP-16994
    $129.95
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