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 (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH - HKP-02189 Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308
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    Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308

    USA

    $64.95
    HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...
    HKP-02189
    $64.95
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    $64.95
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  • New - H&K Standard 4 Position Burst Left Side Selector Lever - HKP-00123
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    HK MP5, MP5K Selector Lever, Left Side - Navy Trigger Groups

    H&K Heckler & Koch

    $399.95
    H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can. 
    HKP-00123
    $399.95
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    $399.95
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  • New - H&K Enhanced Buffer Tube - HKP-18499 H&K Enhanced Buffer Tube H&K Heckler & Koch HKP-18499
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    HK416, MR556 Buffer Tube - Enhanced

    H&K Heckler & Koch

    $199.95
    FDE HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German manufactured 416 & MR556 latest generation, marine environment & over the beach buffer tube. Each commercial buffer tube has built in drainage...
    HKP-18499
    $199.95
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    $199.95
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  • New - H&K USC (.45 ACP) Carbine Mag Release - HKP-02196
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    HK USC Magazine Release

    H&K Heckler & Koch

    $19.95
    Heckler and Koch .45 ACP Carbine Magazine Release for HK USC This is a great replacement as they are prone to breakage and wear. Please Note: For those that have a HK USC with a bullet button and are moving to a free state and want to revert back to the...
    HKP-02196
    $19.95
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    $19.95
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  • New - HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set - HKP-00184
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    HK MP5K, SP89 Cocking Tube - 9mm - Support Set

    HKP HK Parts

    $129.95
    HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set Specifications: Construction: Hard Coated Titanium Color: Matte Black Weight: 1.7 oz. Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse stretch builds, clones, or other custom builds
    HKP-00184
    $129.95
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    $129.95
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  • Out Of Stock
    New - H&K HK MR556/416 Back Plate w/QD Attachment - HKP-22205 HK416, MR556 Back Plate - QD Attachment

    HK416, MR556 Back Plate - QD Attachment

    H&K Heckler & Koch

    $64.95
    H&K HK MR556/416 Back Plate w/QD Attachment Factory HK back plate with QD socket for the HK MR556 and 416 A1/A4 models.  Compatible With: HK MR556/HK 416 (A1 and A4)
    HKP-22205
    $64.95
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  • New - SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 - HKP-19507 ASR AC233 Flash Hider - .30 CAL - Threaded 15x1
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    ASR AC233 Flash Hider - .30 CAL - Threaded 15x1

    SilencerCo

    $92.95
    SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...
    HKP-19507
    $92.95
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    $92.95
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  • New - H&K HK MR556/416 Bolt Head Cam Pin - HKP-02539
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    HK416, MR556 Bolt Head Cam Pin

    H&K Heckler & Koch

    $31.95
    Heckler and Koch HK416 and HK MR556 Bolt Head Cam Pin New factory HK German manufactured cam pin for bolt group. A common wear and replacement item.  Compatible With: HK 416, MR556 HK 416 A5 HK M27
    HKP-02539
    $31.95
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    $31.95
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  • Out Of Stock
    New - H&K MP5SD Rubber Handguard - HKP-00136

    HK MP5SD Rubber Handguard

    H&K Heckler & Koch

    $229.95
    New HK German MP5SD Rubberized Steel Handguard HK discontinued this handguard but our HK Parts version is available here.
    HKP-00136
    $229.95
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    $229.95
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  • New - H&K MP5, MP5K Rear Sight Set Complete-Windage Knob - HKP-02532
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    HK MP5, MP5K Rear Sight Set Complete-Windage Knob

    H&K Heckler & Koch

    $129.95
    MP5 & HK94 Rear Sight Set Complete - With Windage Adjustment Knob Each rear sight unit comes with German HK parts, with the only exception being the hand-adjustable windage screw. Each set includes the entire rear sight assembly and hardware set for...
    HKP-02532
    $129.95
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    $129.95
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  • New - GSG German Sports Guns Flip Front & Rear Sight Set Complete - HKP-18772 GSG German Sports Guns Flip Front & Rear Sight Set Complete GSG German Sports Guns HKP-18772
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    Flip Front and Rear Sight Set Complete

    GSG German Sports Guns

    $179.95
    GSG German Sports Guns Flip Front & Rear Sight Set Complete New MP7A1 style flip up front & rear sight set. Includes iron sights (folded down) for low profile sighting system and can also be deployed in the flipped up position for longer distance...
    HKP-18772
    $179.95
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    $179.95
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  • New - HKP HK USP .45 ACP 16X1 LH Thread Protector - HKP-22177 HK USP Thread Protector - .45 ACP - 16X1 LH
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    HK USP Thread Protector - .45 ACP - 16X1 LH

    HKP HK Parts

    $19.95
    HKP HK USP .45 ACP 16X1 LH Thread Protector Thread protector for 16X1 left-hand .45 ACP barrels.   Compatible With: HK USP .45 & Compact HK45 & Compact HK UMP/USC Firearms with 16X1 left-hand threaded .45 ACP barrels NOT compatible...
    HKP-22177
    $19.95
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    $19.95
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