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 - JMAC Customs TS-8 w/ 1913 Folding Mech - HKP-20145 Triangle Stock - TS-8 with 1913 Folding Mech
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    Triangle Stock - TS-8 with 1913 Folding Mech

    JMAC Customs

    $299.95
    JMAC Customs TS-8 w/ 1913 Folding Mech Triangle stock 8" with our 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG folding...
    HKP-20145
    $299.95
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    $299.95
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  • New - Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK93, HK33 - HKP-19647 HK33, HK53, HK93 HK-C1 BFSIII Trigger Group - SEF Navy Style
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    HK33, HK53, HK93 HK-C1 BFSIII Trigger Group - SEF Navy Style

    H&K Hechler & Koch / FA Franklin Armory

    $879.95
    Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK93, HK33 3 Position HK Binary Trigger Group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box, trigger,...
    HKP-19647
    $879.95
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    $879.95
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  • New - H&K HK MR762 Bolt Group Complete DMR - HKP-16627 HK417, MR762 Bolt Group - Complete - DMR
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    HK417, MR762 Bolt Group - Complete - DMR

    H&K Heckler & Koch

    $899.95
    H&K HK MR762 Bolt Group Complete DMR
    HKP-16627
    $899.95
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    $899.95
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  • New - H&K HK 416 .22 Folding Front Sight - HKP-02681
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    HK416 Folding Front Sight - .22 LR

    Walther / Umarex

    $59.95
    Walther and Umarex .22 Folding Front Sight for HK416D This is a drop in part that does not require any gunsmithing or special applications on the HK 416D .22 rifle or pistol. Each unit comes complete with the mounting hardware to the front mounting...
    HKP-02681
    $59.95
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    $59.95
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  • Out Of Stock
    New - H&K HK MR556/MR762/416 Buttstock Locking Bolt - HKP-16845

    HK416, MR556, MR762 Buttstock Locking Bolt

    H&K Heckler & Koch

    $0.00
    H&K HK MR556/MR762/416 Buttstock Locking Bolt   Compatible With: HK MR556 HK 416 HK MR762
    HKP-16845
    $0.00
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  • New - H&K HK G36 Guide Rod Set Screw - HKP-01873
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    HK G36 Guide Rod Set Screw

    H&K Heckler & Koch

    $9.95
    HK G36 Guide Rod Set Screw Replacement guide rod set screw for HK G36 platforms. Designed to secure the guide rod assembly within the bolt carrier group during proper installation and maintenance. Compatible With: G36  
    HKP-01873
    $9.95
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    $9.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Hold Open Catch - HKP-16378 HK G36, SL8 Bolt Hold Open Catch
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    HK G36, SL8 Bolt Hold Open Catch

    H&K Heckler & Koch

    $59.95
    H&K G36/SL8 (5.56/.223) Bolt Hold Open Catch New HK German manufacture. Compatible With: SL8-1 SL8-6
    HKP-16378
    $59.95
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    $59.95
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  • New - B&T HK G36/SL8 (5.56/.223) Extended Mounting Rail - HKP-16874 HK G36, SL8 Optic Mount with Emergency Sights
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    HK G36, SL8 Optic Mount with Emergency Sights

    B&T Brugger & Thomet

    $296.95
    B&T Long Mounting Rail NAR for HK G36/G36K, with Emergency Sight Specifications: Color: Black Height max: 41.5 mm Length max: 483.2 mm Length of top rail: 306 mm + 113 mm Material: Aluminum & steel NATO Accessory Rails: 2 Part number:...
    HKP-16874
    $296.95
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    $296.95
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  • HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine
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    HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine

    Michaels Machines

    $1,293.95
    MM HK UMP, USC Conversion Kit - 9mm This 9mm conversion kit is designed for USC-to-UMP builds and allows existing .45 ACP conversions to be changed over to 9mm with a simple, drop-in parts swap. All components install in minutes and are built to...
    HKP-02286
    $1,293.95
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    $1,293.95
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  • Out Of Stock
    Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Excellent Condition - HKP-18317 HK91, G3 Handguard - Slimline Style - Used Excellent Condition

    HK91, G3 Handguard - Slimline Style - Used Excellent Condition

    H&K Heckler & Koch

    $0.00
    Used Authentic German Military Surplus G3 Black Slim Line Forearm With Heat Shield Used in excellent shape. For the money, these are a nice addition to the collection. Each item will fit all full forearm length HK 91, G3, PTR style firearms. Used...
    HKP-18317
    $0.00
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  • New - HKP MP5 40/10 Trigger Group 3 Position Navy Housing (0,1) - Safe/Semi Only - Clipped & Pinned - HKP-17247 HK MP5 Trigger Group - 3 Position Navy 0,1 Safe Semi Only - Clipped and Pinned - .40 S&W, 10mm
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    HK MP5 Trigger Group - 3 Position Navy 0,1 Safe Semi Only - Clipped and Pinned - .40 S&W, 10mm

    HKP HK Parts

    $729.95
     HKP MP5 40/10 Trigger Group 3 Position Navy Housing (0,1) - Safe/Semi Only - Clipped & Pinned Finally a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 4 position Navy factory...
    HKP-17247
    $729.95
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    $729.95
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  • New - H&K MP5K/SP89 9mm Full Auto Carrier - HKP-00385 HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm
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    HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm

    H&K Heckler & Koch

    $1,949.95
    HK German MP5K Full Auto Bolt Carrier - Latest Style Contour Each bolt carrier is designed to fit all HK MP5K's, SP89, and K-style clones seamlessly. Crafted from the latest tungsten-filled HK German production, these are the final units available,...
    HKP-00385
    $1,949.95
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    $1,949.95
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