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 MP5 & MP5K 9mm Magazine Follower & Locking Plate Set - HKP-21573-M HK MP5, MP5K Magazine Follower - Locking Plate Set - 9mm
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    HK MP5, MP5K Magazine Follower - Locking Plate Set - 9mm

    HKP HK Parts

    Now: $10.36
    Was: $12.95
    HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set  A drop in item that allows you to swap your follower & locking plate to green or red. Best for a quick empty mag identifier. A great training or range aid at a great price. Made...
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    Was: $12.95
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  • On Sale
    Used - H&K 40 Round HK 93/33/53 5.56x45mm/.223/300 Magazine - Black - HKP-19797 HK33, HK53, HK93 Magazine - 40 Round 5.56x45mm / .223 / 300
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    HK33, HK53, HK93 Magazine - 40 Round 5.56x45mm / .223 / 300

    H&K Heckler & Koch

    Now: $107.95
    Was: $119.95
    HK93, HK33, HK53 - 40 Round Magazine - Genuine German HK - Professionally Refinished HK Factory German 40 round surplus magazine that has been professionally disassembled, inspected, bead blasted, cerakoted and cured to look as close to new as possible...
    Now: $107.95
    Was: $119.95
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    Was: $119.95
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    On Sale
    New - PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH - HKP-17930 PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH

    PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH

    PTR

    Now: $22.45
    Was: $24.95
    PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH The PTR Flash Hider is made in the USA to the exact specifications of the original HK flash hider, following strict HK standards. This flash hider offers the best quality and price in the country,...
    Now: $22.45
    Was: $24.95
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  • On Sale
    New - HK Contract 3 Point Sling - Black - HKP-19186 HK Contract 3 Point Sling - Black
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    HK Contract 3 Point Sling - Black

    H&K Heckler & Koch

    Now: $40.46
    Was: $44.95
    HK Contract 3 Point Sling - Black German military surplus 3 point HK sling in like new condition. These slings are completely operational and a great value for the money.
    Now: $40.46
    Was: $44.95
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  • On Sale
    HK UMP, USC 9mm / .40 S&W / .45 ACP Enhanced Top Receiver Rail
HK UMP, USC 9mm / .40 S&W / .45 ACP Enhanced Top Receiver Rail
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    HK UMP, USC 9mm / .40 S&W / .45 ACP Enhanced Top Receiver Rail

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HK USC & UMP Top Receiver Rail With Hardware - US Made The extended length allows the use of all optics that fit on a Picatinny rail. This unit has a contoured, no-snag design for ease of use and a beautiful fit. Made from billet machined aluminum...
    Now: $39.96
    Was: $49.95
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  • On Sale
    New - HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer - HKP-18746 HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
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    HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer

    Now: $10.75
    Was: $11.95
    HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP models
    Now: $10.75
    Was: $11.95
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  • On Sale
    New - HKP SD Barrel Port Brush Handle - HKP-21448-M Black
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    HK SD Barrel Port Brush Handle

    HKP HK Parts

    Now: $31.96
    Was: $39.95
    HKP SD Barrel Port Brush Handle The HK Parts SD brush handle is the perfect tool to pair with your factory H&K or HK Parts barrel brush.  Unlike other brush handles, the HKP handle features a locking clamp allowing the user to rotate the brush...
    Now: $31.96
    Was: $39.95
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  • On Sale
    New - HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw - HKP-16562 HK UMP, USC Picatinny Rail Screw
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    HK UMP, USC Picatinny Rail Screw

    Now: $0.68
    Was: $0.75
    HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw Good spares to have on hand as screws can get damaged or lost.
    Now: $0.68
    Was: $0.75
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    Was: $0.75
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  • On Sale
    New - Magpul 9mm Subgun Mag Assist - 3 Pack - HKP-17310 Subgun Magazine Assist - 9mm - 3 Pack
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    Subgun Magazine Assist - 9mm - 3 Pack

    Magpul

    Now: $8.96
    Was: $9.95
    ORIGINAL MAGPUL® 9MM SUBGUN - 3 PACK When installed on the base of a submachine-gun magazine, the original Magpul provides improved speed and control during high stress, tactical magazine changes. Durable synthetic rubber loop with recessed rough...
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    Was: $9.95
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  • New - HKP AR-15 Mil-Spec Buffer Tube - HKP-02727
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    HK416, MR556 Buffer Tube - Mil-Spec

    HKP HK Parts

    $29.95
    Mil-Spec US-Made Buffer Tube Compatible With: HK416 HK MR556 All AR-15 style platforms Features: Made from T7 7075 aircraft grade aluminum 6-position Made in the USA Each features a highly polished inside tube Black mil-spec triple hard coat teflon...
    $29.95
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  • On Sale
    New - Raddlock MP5 & MP5K Magazine Block - 10 Round - HKP-02434 HK MP5, MP5K Magazine Block - 30 to 10 Round Conversion - Curved
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    HK MP5, MP5K Magazine Block - 30 to 10 Round Conversion - Curved

    Raddlock

    Now: $8.96
    Was: $9.95
    Magazine Block Plug To Reduce HK MP5 30 Round Magazine To 10 rounds MP5 10/30 mag block. This is designed to be used on the HK MP5 30 round, curved, steel magazine. Very easy to install & use.  Compatible With: MP5 & MP5K 30 round, curved...
    Now: $8.96
    Was: $9.95
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  • On Sale
    New - MKE HK G3/91, AP51 20 Round Translucent Magazine - HKP-21898 HK91, G3, AP51 Magazine - 20 Round - Translucent
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    HK91, G3, AP51 Magazine - 20 Round - Translucent

    MKE

    Now: $18.68
    Was: $25.95
    MKE HK G3/91, AP51 20 Round Translucent Magazine Constructed from high-strength, lightweight polymer, this magazine offers exceptional durability while allowing for instant visual ammo checks thanks to its clear body design. Whether you're training, on...
    Now: $18.68
    Was: $25.95
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    Was: $25.95
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