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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  • On Sale
    New - H&K MP5 A3 Retractable Buttstock Bushing - HKP-16405 HK MP5 Bushing - A3 Retractable Buttstock
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    HK MP5 Bushing - A3 Retractable Buttstock

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    HK MP5 A3 Retractable Stock Cap, Bushing- MP5 Navy Stock Newer 2 generation stock cap bushing for the factory MP5-N series of A3 stocks.Not for use on the 1st generation all metal (70-80's) A3 retractable stocks. Not for use on the 3rd generation of MP5...
    Now: $13.46
    Was: $14.95
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  • On Sale
    New - B&T MP5 Handguard With LED Weapon Light -TL99 - HKP-16901 B&T MP5 Handguard With LED Weapon Light -TL99
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    B&T MP5 Handguard With LED Weapon Light -TL99

    B&T Brugger & Thomet

    Now: $584.96
    Was: $649.95
    B&T Model TL99 CREE LED Lit Handguard for HK MP5, 94 Models Each unit handguard is built with the integrated tactical LED light & 3 position switch. Specifications: High intensity torch light Focused beam Shock proof, waterproof Ambidextrous...
    Now: $584.96
    Was: $649.95
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    New - H&K MR556/416/MR762/417 A7 Adaptive Battle Grip w/ Tool - RAL8000 - HKP-21963 HK416, MR556, HK417, MR762 Pistol Grip - Tool Included - RAL8000

    HK416, MR556, HK417, MR762 Pistol Grip - Tool Included - RAL8000

    H&K Heckler & Koch

    Now: $116.95
    Was: $129.95
    HK Heckler and Koch Adaptive Battle Grip with tool in RAL8000. Factory German adaptive pistol grip in RAL8000. Originally used on the HK416 A7, this grip fits a variety of H&K platforms. Compatible With: HK MR556 A1 HK MR556 A4 HK416 HK MR762...
    Now: $116.95
    Was: $129.95
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    Was: $129.95
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  • On Sale
    New - H&K MP5/SP5 Universal SEF Housing - Like New - HKP-21779 HK MP5/SP5 Universal SEF Housing - Like New
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    HK MP5/SP5 Universal SEF Housing - Like New

    H&K Heckler & Koch

    Now: $134.95
    Was: $149.95
    H&K MP5/SP5 SEF Universal Housing - Clipped & Pinned - Like New The ultimate solution for MP5 and SP5 style receivers, this universal trigger housing simplifies swapping between receivers. German HK-manufactured, it allows you to easily transfer...
    Now: $134.95
    Was: $149.95
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    Now: $134.95
    Was: $149.95
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  • On Sale
    New - HKP HK G36 Picatinny Adapter - HKP-21665 HK G36 Picatinny Adapter
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    HK G36 Picatinny Adapter

    HKP HK Parts

    Now: $103.96
    Was: $129.95
    HKP HK G36 Picatinny Adapter Transform your G36 with our unbeatable rail stock adapter, engineered to seamlessly attach any 1913 Style Stock or brace. Our innovative design ensures the 1913 stocks & braces lock in securely, offering superior cheek...
    Now: $103.96
    Was: $129.95
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  • On Sale
    New - HKP HK SP5 ACR Adapter - HKP-21519 HK SP5 ACR Stock or Brace Adapter
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    HK SP5 ACR Stock or Brace Adapter

    HKP HK Parts

    Now: $111.96
    Was: $139.95
    HKP HK SP5 ACR Stock or Brace Adapter This adapter allows the ACR stock to be fully compatible with the SP5 and in-spec MP5 platforms. It’s built from aircraft-grade aluminum with a pre-installed buffer for a straightforward, drop-in conversion...
    Now: $111.96
    Was: $139.95
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    Was: $139.95
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  • On Sale
    New - HKP HK UMP Enhanced Top Rail - Red - HKP-20812 HK UMP Enhanced Top Rail - Red
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    HK UMP Enhanced Top Rail - Red

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK UMP Enhanced Top Rail - Red HK USC, UMP top receiver rail with hardware. The extended length allows the use of all optics that fit on a Picatinny rail. This unit has a contoured no snag design for ease of use and a beautiful fit. Includes: Each...
    Now: $39.96
    Was: $49.95
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  • On Sale
    New - H&K 30 Round HK UMP .40 Magazine - LEO Marked - HKP-20664 HK 30 Round HK UMP .40 Magazine - LEO Marked
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    HK 30 Round HK UMP .40 Magazine - LEO Marked

    H&K Heckler & Koch

    Now: $89.95
    Was: $99.95
    30 Round Magazine - LEO Marked - New - UMP .40 S/W This magazine will fit all HK UMP .40 Caliber UMP's as well as the USC-UMP .40 caliber conversions. New factory fresh production HK magazine. The perfect option for those that like to collect LEO marked...
    Now: $89.95
    Was: $99.95
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    Was: $99.95
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  • On Sale
    New - HK UMP, USC Right Hammer Spring - HKP-19557
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    HK UMP, USC Hammer Spring - Right - US

    USA

    Now: $8.96
    Was: $9.95
    HK UMP & USC Right Side Hammer Spring For Lowers - USA
    Now: $8.96
    Was: $9.95
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  • Out Of Stock
    On Sale
    New - H&K HK SL8, HK G36 Top Rail Screw - HKP-16390 HK SL8, G36 Top Rail Screw

    HK SL8, G36 Top Rail Screw

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    HK SL8 & G36 Top Rail Screw  This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...
    Now: $13.46
    Was: $14.95
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  • On Sale
    New - H&K HK SL8, G36, Sight Rail w/ Flip Up Sights - HKP-17718 HK SL8, G36, Sight Rail w/ Flip Up Sights
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    HK SL8, G36, Sight Rail w/ Flip Up Sights

    H&K Heckler & Koch

    Now: $539.06
    Was: $598.95
    HK Sl8, G36 Aluminum Sight Rail With Front & Rear Flip Up Sights New production German HK HK Sl8, G36 picatinny rail with flip up front and rear sights. The latest production rail option from HK. All metal and built to take a lifetime of use and...
    Now: $539.06
    Was: $598.95
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    Was: $598.95
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  • On Sale
    New - Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - HKP-20465 Lee Sporting  LS5 HK MP5 Complete Trigger Group - Semi Shelf
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    Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf

    Lee Sporting

    Now: $494.96
    Was: $549.95
    Lee Sporting LS5 Complete Trigger Group - MP5 Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    Now: $494.96
    Was: $549.95
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