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 Single Point Sling - Quick Detach - Tan - HKP-19766 HK Single Point Sling - Quick Detach -  Tan
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    HK Single Point Sling - Quick Detach - Tan

    NcSTAR

    $29.95
    HKP Single Point Sling in Tan - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...
    HKP-19766
    $29.95
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  • Out Of Stock
    New - H&K HK MR556/416 Commercial Factory E1 Rear Stock - Black - HKP-15426 HK416, MR556 E1 Buttstock - Factory - Commercial

    HK416, MR556 E1 Buttstock - Factory - Commercial

    H&K Heckler & Koch

    $199.95
    H&K HK MR556/416 Commercial Factory E1 Stock HK 416 factory German E1 Stock latest HK German stock for all HK 416/MR556 rifles. This HK 416 HKE1 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons. NO LONGER OFFERED...
    HKP-15426
    $199.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Floor Plate - HKP-16493 HK UMP Magazine Floorplate
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    HK UMP Magazine Floorplate

    H&K Heckler & Koch

    $9.95
    HK Heckler and Koch German Magazine Floorplate for All HK UMP Magazines  Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces.
    HKP-16493
    $9.95
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  • Used - HK G3 Complete F/A Steel Lower (SEF) - Green - Surplus - HKP-16215 HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus
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    HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus

    H&K Heckler & Koch

    $349.95
    HK Heckler and Koch Complete Full Auto Steel Green Lower SEF from Surplus Stock for HK91, G3 Each lower includes a complete full-auto trigger pack, selector lever, green grip, metal SEF grip frame, and grip screw with washer. All parts are installed and...
    HKP-16215
    $349.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - HKP-00368 HK91, G3 Tactical Handguard
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    HK91, G3 Tactical Handguard

    PTR

    $149.95
    New 2nd Generation- HK Black Matte Finish PTR, HK91, G3 Forearm  Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides,...
    HKP-00368
    $149.95
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  • Used - H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used - HKP-16711
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    HK91, G3 Firing Pin Spring - Used

    H&K Heckler & Koch

    $4.95
    H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Grab one for a spare, just in case.
    HKP-16711
    $4.95
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  • New - H&K 33/91/G3 Complete Triple Frame Front Sight Tower - HKP-18777 HK33, HK91, G3 Complete Triple Frame Front Sight Tower
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    HK33, HK91, G3 Complete Triple Frame Front Sight Tower

    H&K Heckler & Koch

    $29.95
    NEW HK German Front Sight Tower Triple Frame G3 triple frame in. Comes complete with sight blade and roll pin. Compatible With: HK G3 HK G3K HK 93 HK 33
    HKP-18777
    $29.95
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  • New - Magpul M-LOK QD Sling Mount - HKP-17268
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    M-LOK QD Sling Mount

    Magpul

    $27.95
    Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...
    HKP-17268
    $27.95
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  • On Sale
    New - HKP 3-Lug Adapter - Threaded 1/2x32 - HKP-00107
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    HK MP5, SP5 3 Lug Adapter - Threaded 1/2x32

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP 3-Lug Adapter - Threaded 1/2x32 The HK 3-Lug Adapter, internally threaded with 1/2x32 threads, can easily attach to any existing 1/2x32 threaded parts. This is the finest machined adapter on the market, made in the USA to exact HK German 3-lug...
    HKP-00107
    Now: $29.95
    Was: $49.95
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    Now: $29.95
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  • Out Of Stock
    New - HKP HK MR556/416, HK MR762/417 Flip Up Rear Sight-2mm - HKP-17717 HKP HK MR556/416, HK MR762/417 Flip Up Rear Sight-2mm HKP HK Parts HKP-17717

    HK416, HK417, MR556, MR762 Flip Up Rear Sight - 2mm

    HKP HK Parts

    $139.95
    HK 416, MR556 & MR762, 417 Flip Up Rear Sight Diopter 2mm Sight Attaches to any standard picatinny rail. No hardware needed as this is a self-contained quick attach rear sight assembly. This unique sight features a quick & easy push button...
    HKP-17717
    $139.95
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  • New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green - HKP-21102 HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
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    HK MP5 Flat Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...
    HKP-21102
    $87.95
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    $87.95
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  • New - Timney HK MP5 9mm 2-Stage Trigger Complete - HK-20511-M HK MP5 2-Stage Trigger Group - 9mm - Complete
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    HK MP5 2-Stage Trigger Group - 9mm - Complete

    Timney Triggers

    $478.95
    Timney HK MP5 Trigger - 9mm - 2 Stage - Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...
    HK-20511-M
    $478.95
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    $478.95
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