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 - Omega HK UMP Rear Sight Complete - HKP-21266
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    Gideon Shadow UMP Rear Sight, Complete

    OMEGA

    $39.95
    Omega Rear Sight Complete for HK UMP All the parts needed for the rear sight on a Gideon Shadow UMP style build. New USA made parts for your build.   Will only work with Gideon Shadow. Locking screw will not work with a German UMP receiver, DEF...
    HKP-21266
    $39.95
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  • New - Blitzkrieg PTR Flat Front Sight Gen 2 - Luminescent Green - HKP-21104 PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
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    PTR Flat Tip Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...
    HKP-21104
    $87.95
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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 HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC
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    HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC

    Geissele

    $468.95
    Geissele 10.5" M-LOK Handguard - DDC for HK416 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,...
    HKP-20225
    $468.95
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  • Out Of Stock
    New - H&K G28 Flash Hider - Black - Threaded 15x1 RH - HKP-18444 HK G28 Flash Hider - Threaded 15x1 RH

    HK G28 Flash Hider - Threaded 15x1 RH

    H&K Heckler & Koch

    $179.95
    H&K G28 Flash Hider - Threaded 15x1 RH Contains the factory correct thread pitch and markings. Rare here in the USA. Specifications: Made in Germany. Threaded 15x1 RH Compatible With: HK MR762 models and varaints HK 417 models and variants HK...
    HKP-18444
    $179.95
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  • New - HK94 Clone Original Vented Barrel Shroud w/ Grip - HKP-00020 HK94 Barrel Shroud - Vertical Grip -  Original - Vented
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    HK94 Barrel Shroud - Vertical Grip - Original - Vented

    E&L MFG

    $139.95
    HK94 Clone Original Vented Barrel Shroud w/ Grip This is the OEM HK part. The vertical grip is detachable and will not fit heavier barrels such as Vector or MKE barrels. Please Note: This will NOT fit 3 lug barrels.  
    HKP-00020
    $139.95
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  • New - Timney Triggers HK91/G3 .308 2-Stage Trigger - Complete - HKP-20513-CP HK91, G3 2-Stage Trigger Group - Complete
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    HK91, G3 2-Stage Trigger Group - Complete

    Timney Triggers

    $478.95
    Timney Trigger for .308 - HK91 SEF Timney trigger group comes completely assembled and ready to drop in your receiver. Set up with a German ejector lever, new SEF selector lever, and a brand new factory German housing for the best trigger group available...
    HKP-20513-CP
    $478.95
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  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group Flat Trigger - Push Pin - HKP-20482 HK MP5 Trigger Group - Flat Trigger - Push Pin
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    HK MP5 Trigger Group - Flat Trigger - Push Pin

    Lee Sporting / Magpul

    $549.95
    Lee Sporting Complete Trigger Group - MP5 Push Pin - Flat Trigger 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-20482
    $549.95
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  • New - H&K HK G3, HK91, PTR 91 4 Position Ambidextrous MATCH Trigger Group - HKP-20222 HK91, G3 Trigger Group - Ambi MATCH 4 Position - Clipped and Pinned
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    HK91, G3 Trigger Group - Ambi MATCH 4 Position - Clipped and Pinned

    H&K Heckler & Koch

    $1,495.95
    HK Heckler and Koch Safe, Semi 4 Position Ambi MATCH Trigger Group for HK G3 and HK91 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...
    HKP-20222
    $1,495.95
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  • New - SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - HKP-19928 HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    $294.95
    SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5...
    HKP-19928
    $294.95
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  • New - H&K HK 417/MR762 Magazine Catch - HKP-16681 HK417, MR762 Magazine Catch
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    HK417, MR762 Magazine Catch

    H&K Heckler & Koch

    $49.95
    Heckler and Koch Magazine Catch for HK417 and HK MR762  This is the actual mag catch for the MR762 and HK417 family of firearms. A great spare to have on hand. Compatible With: HK417, MR762
    HKP-16681
    $49.95
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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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    $79.95
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