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 G3 Apparel - Hats, Patches, and Shirts HK G3 Apparel - Hats, Patches, and Shirts
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    HK G3 Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK G3 Apparel and Patch Collection  Represent your platform with the HK Parts G3 Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22458-M
    $0.00
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  • HKP Cleaning Brush for HK91 and HK G3 Barrel Flutes 7.62x51 / .308 HK91, G3 Barrel Flute Cleaning Brush - 7.62x51 / .308
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    HK91, G3 Barrel Flute Cleaning Brush - 7.62x51 / .308

    HKP HK Parts

    $19.95
    HKP Cleaning Brush for HK91 and HK G3 Barrel Flutes 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HK G3 or HK91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly and render...
    HKP-22317
    $19.95
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  • On Sale
    New - MKE HK MP5 Recoil Spring - HKP-22239 MKE HK MP5 Recoil Spring MKE HKP-22239
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    HK MP5 Recoil Spring

    MKE

    Now: $7.95
    Was: $10.99
    MKE HK MP5 Recoil Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5 Century Arms AP5 Clones & custom builds
    HKP-22239
    Now: $7.95
    Was: $10.99
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  • Refurbished - HKP SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished - HKP-21921 HK SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished
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    HK SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished

    HKP HK Parts

    $34.95
    HKP SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished HK steel SEF short axle selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...
    HKP-21921
    $34.95
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  • On Sale
    New - SB Tactical HK MP5 SBA5 Pistol Stabilizing Brace - HKP-21672-M HK MP5 Pistol Stabilizing Brace - SBA5
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    HK MP5 Pistol Stabilizing Brace - SBA5

    SB Tactical

    Now: $214.95
    Was: $264.95
    SB Tactical HK MP5 SBA5 Pistol Stabilizing Brace SB Tactical brace married with our MP5 end cap creates a true drop-in brace.  With a 5-position adjustable length, this brace can be tailored to fit any body frame. Available exclusively here at HK...
    HKP-21672-M
    Now: $214.95
    Was: $264.95
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    Now: $214.95
    Was: $264.95
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  • New - HKP HK MP5 Receiver Flat - Smooth Top - HKP-21552 HK MP5 Receiver Flat - Smooth Top
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    HK MP5 Receiver Flat - Smooth Top

    HKP HK Parts

    $125.95
    HKP HK MP5 Receiver Flat - Smooth Top The MP5 receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...
    HKP-21552
    $125.95
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  • New - Nefarious Arms HK 416 Installation Barrel - HKP-21487 HK416 Barrel Multi Tool
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    HK416 Barrel Multi Tool

    Nefarious Arms

    $124.95
    Nefarious Arms HK 416 Barrel Installation and Multi Tool HK416 multitool patterned off a genuine HK 416 wrench with added features.  Use with a traditional 1/2″ torque wrench or the plug-and-socket style torque wrench that utilizes the ball...
    HKP-21487
    $124.95
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  • Out Of Stock
    New - H&K HK MR762/417 Picatinny Quad Rail Handguard Complete - Black - HKP-16629 HK417, MR762 Handguard - Picatinny Quad Rail - 9"

    HK417, MR762 Handguard - Picatinny Quad Rail - 9"

    H&K Heckler & Koch

    $393.95
    H&K MR762/417 Picatinny Quad Rail Handguard - 9" Factory HK German MR762, HK417 handguard with mounting screws. Compatible With: HK MR762 A1, A4 HK417 MR308
    HKP-16629
    $393.95
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  • New - H&K HK MR556/416 Bolt Carrier - HKP-02718 HK416, MR556 Bolt Carrier
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    HK416, MR556 Bolt Carrier

    H&K Heckler & Koch

    $397.95
    H&K HK MR556/416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key  This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies installed to make up the HK MR556 (556...
    HKP-02718
    $397.95
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  • New - H&K HK MR556/MR762/416/417 German E2 Concave Butt Pad - HKP-00050 HK416, MR556, HK417, MR762 Buttpad - E2 Concave
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    HK416, MR556, HK417, MR762 Buttpad - E2 Concave

    H&K Heckler & Koch

    $55.95
    Heckler and Koch German E2 Concave Butt Pad for HK416, MR556 and HK417, MR762 Can be added as an option on the HK E1 HK416 and HK417 buttstock. Providing you an option to use either the concave or convex style buttpads for different mission requirements...
    HKP-00050
    $55.95
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  • New - HK G36/SL8/USC/UMP Rear Sight Screw - HKP-16382
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    HK G36, SL8, USC, UMP Sight Screw - Rear

    H&K Heckler & Koch

    $19.95
    HK G36, SL8 & USC, UMP Rear Sight Screw Rear sight screw to retain HK G38/Sl8 & USC/UMP rear sights housings to the rear sight base. Compatible With: G36, SL8 USC, UMP
    HKP-16382
    $19.95
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  • New - H&K HK G36/SL8 Complete Recoil Rod Assembly - HKP-01057
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    HK G36, SL8 Recoil Spring Assembly, Complete

    H&K Heckler & Koch

    $69.95
    Recoil Rod Assembly for HK G36 & SL8 New HK factory German G36/SL8 (fits all variants of SL8/G36) recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find.
    HKP-01057
    $69.95
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