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 - HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH - HKP-02188 HK UMP, USC, USP, HK45 Flash Hider - 4 Prong - Threaded .578x28 RH
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    HK UMP, USC, USP, HK45 Flash Hider - 4 Prong - Threaded .578x28 RH

    HKP HK Parts

    Now: $47.95
    Was: $74.95
    HK Parts .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH This flash hider adds a neat look & feel that provides outstanding flash hiding capabilities. Perfect for adding a unique look to your .45 ACP. Made in the USA, each flash hider is...
    HKP-02188
    Now: $47.95
    Was: $74.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Head Ejector Pin - HKP-01876
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    G36, SL8 Bolt Head Ejector Pin

    H&K Heckler & Koch

    $7.95
    Bolt Head Ejector Pin For G36 & SL8 This item is the pin that holds the ejector & ejector spring in place. It is a common wear and replacement item and a must-have when doing bolt head maintenance.
    HKP-01876
    $7.95
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  • New - HKP HK G3 Repair Manual - HKP-15212
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    HK G3 Repair Manual

    HKP HK Parts

    $15.95
    HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...
    HKP-15212
    $15.95
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  • New - HKP HK 91/G3 (7.62x51/.308) Fixed Stock Complete with Enhanced Heavy Buffer - Black - HKP-18937
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    HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black

    HKP HK Parts

    $279.95
    New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one U.S. compliant...
    HKP-18937
    $279.95
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  • HK MP5K Apparel - Hats, Patches, and Shirts - V2 HK MP5K Apparel - Hats, Patches, and Shirts - V2
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    HK MP5K Apparel - Hats, Patches, and Shirts - V2

    HKP HK Parts

    $0.00
    HKP HK MP5K Apparel and Patch Collection - Version 2 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22455-M
    $0.00
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  • Out Of Stock
    New - B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal - HKP-21394 HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28

    HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28

    B&T Brugger & Thomet

    $139.99
    B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal Elevate the performance of your HK 416 or MR556 with this premium flash hider. Designed for compatibility with a range of suppressors, this flash hider features a...
    HKP-21394
    $139.99
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  • On Sale
    New - HKP HK P30SK Stand Off Device - Black - HKP-19191 HK P30SK Stand Off Device
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    HK P30SK Stand Off Device

    HKP HK Parts

    Now: $68.95
    Was: $109.95
    HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger).  The ulimate component for close quarters interdiction. ...
    HKP-19191
    Now: $68.95
    Was: $109.95
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  • New - B&T Quick Detach Polymer Unigrip - Black - HKP-18102
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    B&T Quick Detach Polymer Unigrip - Black

    B&T Brugger & Thomet

    $75.00
    B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications: Color: Black Length: 5" (130mm) Weight:...
    HKP-18102
    $75.00
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  • New - HK G36/UMP Folding Stock Release Spring - HKP-00637
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    HK G36, UMP Folding Stock Release Spring

    H&K Heckler & Koch

    $9.95
    HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMP
    HKP-00637
    $9.95
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  • Used - H&K HK MP5 Dented Complete Rear Sight Set - Black - HKP-19247 HK MP5 Rear Sight Set - Dented
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    HK MP5 Rear Sight Set - Dented

    H&K Heckler & Koch

    $49.99
    Rear Sight with Hardware - Used Dented - MP5 German HK MP5 rear sight assembly with a dented 4 position drum. Condition will vary. Includes: HK rear sight Detent Spring windage screw Sight screw Washer Locking washer Compatible With: MP5 MAC-5 clones...
    HKP-19247
    $49.99
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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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  • HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New
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    HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New

    H&K Heckler & Koch

    $34.95
    Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - Like New Factory German HK 20 round magazine for HK91, G3, and PTR91 pattern rifles. Offered in IB or IC date codes for those seeking original German date coded magazines in like new...
    HKP-22560-M
    $34.95
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