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 HK SP5 AR, M4 Brace/Stock Adapter - QD Slint Attachment Point - HKP-20725 HK SP5 Stock or Brace  Adapter - AR M4 - QD Slint Attachment Point
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    HK SP5 Stock or Brace Adapter - AR M4 - QD Slint Attachment Point

    HKP HK Parts

    $159.95
    HKP HK SP5 AR, M4 Brace/Stock Adapter - QD Slint Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points and Cerakote finish for the best looking AR stock adapter...
    HKP-20725
    $159.95
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    $159.95
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  • New - Geissele HK 416 10.5" M-LOK Handguard - DDC - HKP-20225 Geissele HK 416 10.5" M-LOK Handguard - DDC
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    Geissele HK 416 10.5" M-LOK Handguard - DDC

    Geissele

    $468.95
    Geissele HK 416 10.5" M-LOK Handguard - DDC The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity...
    HKP-20225
    $468.95
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    $468.95
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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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  • New - H&K HK G36C Forearm - Black - HKP-00620 HK G36C Handguard
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    HK G36C Handguard

    H&K Heckler & Koch

    $139.95
    HK German G36C Handguard With Heat Shield & Hand Stop Each unit features the hand stop locations for adding rails to the left, right, and bottom should you choose to. Compatible With: HK G36C HK SL8-G36C conversions
    HKP-00620
    $139.95
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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 - HKP HK MR556/416 Barrel Mandrel Tool - HKP-19059 HK416, MR556 Barrel Mandrel Tool
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    HK416, MR556 Barrel Mandrel Tool

    HKP HK Parts

    $169.95
    HKP HK MR556/416 Barrel Mandrel Tool US Made - HK 416, MR556 Barrel Mandrel Tool.
    HKP-19059
    $169.95
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    $169.95
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