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 - USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete - HKP-18588 HK UMP, USC Bolt Carrier - Semi Auto - .45 ACP - Complete
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    HK UMP, USC Bolt Carrier - Semi Auto - .45 ACP - Complete

    USA

    $399.95
    USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin Compatible With: HK UMP ...
    HKP-18588
    $399.95
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  • New - AIM HK 91/G3 (7.62x51/.308) Extended Carbine Length Handguard - M-LOK - HKP-18172 HK91, G3 Extended Carbine Length Handguard - M-LOK
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    HK91, G3 Extended Carbine Length Handguard - M-LOK

    AIM

    $119.95
    HK G3 EXTENDED CARBINE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...
    HKP-18172
    $119.95
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    $119.95
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  • On Sale
    New - AC-Unity HK93 Wide Handguard - Short - HKP-21638 HK93 Wide Handguard - Short
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    HK93 Wide Handguard - Short

    AC-Unity

    Now: $59.95
    Was: $78.95
    AC-Unity HK93 Wide Handguard - Short AC-Unity wide/short handguard, specifically designed for the HK33, HK93,HK34 and G3K. This handguard is also the perfect fit for PTR rifles utilizing the shorter HK93 length handguards. The perfect option to match up...
    HKP-21638
    Now: $59.95
    Was: $78.95
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  • New - HKP HK MP5 Binary SL Selectors - HKP-21438 HK MP5 Binary SL Selectors
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    HK MP5 Binary SL Selectors

    HKP HK Parts

    $69.95
    HKP HK MP5 Binary SL Selectors: Our selectors were made to work specifically with the Magpul SL housing in conjunction with the popular Franklin Armory Binary trigger pack. We aimed to keep the same aesthetics as our SEF style binary selector levers but...
    HKP-21438
    $69.95
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  • New - Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green - HKP-21106 PTR Spike Front Sight - Gen 2 - Luminescent Green
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    PTR Spike Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight brings a modernized approach to this classic sighting system. Designed with a distinctive spike-tipped post and a vibrant Tritium dot paired with a Lumi...
    HKP-21106
    $87.95
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    $87.95
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  • Used - H&K HK UMP 30 Round .40 Magazine - LEO Marked - HKP-20651 HK UMP 30 Round .40 Magazine - LEO Marked
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    HK UMP 30 Round .40 Magazine - LEO Marked

    H&K Heckler & Koch

    $64.95
    30 Round Magazine - LEO Marked - Used - UMP .40 S/W Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Used in good condition. The perfect option for those that like to collect LEO...
    HKP-20651
    $64.95
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  • New - B&T TP9 Top Cover w/ Side Mounting Rail - HKP-17293
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    B&T TP9 Top Cover, Side Optic Mount - Complete

    B&T Brugger & Thomet

    $159.95
    B&T TP9 Top Cover Complete with Side Mounting Rail Compatible With: B&T TP9
    HKP-17293
    $159.95
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    $159.95
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  • New - F5 MFG HK MP5 .22LR Modular Stock System - Black - HKP-20196 HK MP5 Modular Stock System - .22LR
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    HK MP5 Modular Stock System - .22LR

    F5 MFG

    $349.95
    F5 MFG Modular Stock System with MP5 .22 Adapter  Features: HK MP5 22 compatible adapter 6061 AL and nylon 6/6 polymer construction Integrated locking hinge Adjustable cheekwell 7 adjustable length positions 3in length of pull
    HKP-20196
    $349.95
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  • New - H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier - HKP-16847
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    HK416, MR556 Bolt Carrier Roll Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416
    HKP-16847
    $6.95
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    $6.95
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  • New - H&K UMP/USC (.45 ACP) HK Factory Cleaning Kit - HKP-01055 HK UMP, USC Factory Cleaning Kit - .45 ACP
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    HK UMP, USC Factory Cleaning Kit - .45 ACP

    HKP HK Parts / Heckler & Koch

    $79.95
     Cleaning Kit For HK USC & UMP .45 ACP Subguns This Cleaning kit a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber face...
    HKP-01055
    $79.95
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    $79.95
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  • Used - H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used - HKP-18924 HK91, G3, PTR Magazine - 5 Round - Used
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    HK91, G3, PTR Magazine - 5 Round - Used

    H&K Heckler & Koch

    $59.95
    German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11
    HKP-18924
    $59.95
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  • New - H&K MP5 40/10 Bolt Hold Open Lever - HKP-01471
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    HK MP5 Bolt Catch Lever - .40 S&W, 10mm

    H&K Heckler & Koch

    $74.95
    H&K Heckler & Koch Bolt Hold Open Lever - German HK - New for MP5 40, MP5 10  A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 Dillon
    HKP-01471
    $74.95
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    $74.95
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