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 - H&K HK MP5/91/93/53/33/G3 Sear/Catch - HKP-01459
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    HK91, G3, MP5 Sear Catch - Steel - New Build

    H&K Heckler & Koch

    $69.95
    Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...
    HKP-01459
    $69.95
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  • New - GSG9 HK G36K Forearm - Black - HKP-18217 GSG9 HK G36K Handguard
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    GSG9 HK G36K Handguard

    GSG9

    $120.95
    HK G36K Forearm With Hand Stop & Heat Shield HK G36K length latest production HK G36K handguard with built in heat shield. Each unit features a built in hand stop with sling attachment points. Built in hard mounting points for adding picatinny rails...
    HKP-18217
    $120.95
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    $120.95
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  • New - H&K HK G36, HK SL8, HK 243 Handguard - Black - HKP-17708 HK243, G36, SL8 Handguard
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    HK243, G36, SL8 Handguard

    H&K Heckler & Koch

    $249.95
    HK German Sl8, G36 & HK243 Aluminum Handguard - IDZ New latest production HK G36, SL8 & HK243 forearm. This handguard offering is made entirely out of aluminum. This is the most robust forearm HK makes or that is available. This was designed for...
    HKP-17708
    $249.95
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  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf - HKP-20483 Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf
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    Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting Complete Trigger Group - MP5 - Flat Trigger Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger...
    HKP-20483
    $549.95
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  • New - H&K HK G3, HK91, PTR 91 4 Position Ambidextrous MATCH Trigger Group - HKP-20222 HK91, G3, PTR 91 4 Position Ambidextrous MATCH Trigger Group
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    HK91, G3, PTR 91 4 Position Ambidextrous MATCH Trigger Group

    H&K Heckler & Koch

    $1,495.95
    HK G3 & HK 91 - Safe, Semi - 4 Position Ambidextrous MATCH Trigger Group. Each ambidextrous match trigger group comes with a custom trigger conversion to a light smooth light trigger pull. The trigger group has been adjusted and enhanced by the famed...
    HKP-20222
    $1,495.95
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  • New - H&K HK MR556/MR762/416 Dowel Pin - HKP-19528
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    HK416, MR556, MR762 Dowel Pin

    $9.95
    H&K HK MR556/MR762/416 Dowel Pin Compatible With: HK MR556 HK 416 HK MR762
    HKP-19528
    $9.95
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  • New - Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH - HKP-02323 Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH
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    Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH

    Smith Enterprises

    $79.95
    Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH Each flash hider is threaded 16x1 LH twist. Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance...
    HKP-02323
    $79.95
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  • New - HKP .45 ACP 4 Prong Flash Hider - Threaded 16x1 LH - HKP-01017 HK45, HK UMP Flash Hider -  4 Prong - Threaded 16x1 -  Left Hand
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    HK45, HK UMP Flash Hider - 4 Prong - Threaded 16x1 - Left Hand

    HKP HK Parts

    $74.95
    HK Parts 4 Prong Flash Hider .45 ACP Threaded 16x1 LH Designed for all HK German .45 ACP threaded barrels, including full size and compact models. Made from heat treated ordnance grade steel with a melonite finish, it offers superior corrosion and...
    HKP-01017
    $74.95
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  • New - HK G36/SL8 Complete Recoil Rod Assembly - HKP-18539
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    HK G36/SL8 Complete Recoil Rod Assembly

    USA

    $39.95
    Recoil Rod Assembly For All - HK G36 & SL8 New G36/SL8 recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find. Made in the USA. Compatible With: G36 SL8
    HKP-18539
    $39.95
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  • New - H&K HK G36 Left Side Lower Hammer Spring - HKP-01856
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    HK G36 Left Side Lower Hammer Spring

    H&K Heckler & Koch

    $8.95
    HK G36 Left Side Lower Hammer Spring
    HKP-01856
    $8.95
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  • New - H&K G36/SL8 (5.56/.223) Extractor Axle - HKP-01895
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    HK G36, SL8 Extractor Axle

    H&K Heckler & Koch

    $9.95
    HK G36 & SL8 Extractor Axle This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK SL8 models
    HKP-01895
    $9.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine - HKP-00607 HK UMP (.40 S&W) 30 Round Magazine
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    HK UMP (.40 S&W) 30 Round Magazine

    H&K Heckler & Koch

    $79.95
    HK German UMP .40 cal 30 Round Factory Magazine New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-00607
    $79.95
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