Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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Out Of Stock
HK MP5 Bolt Group - Complete - "Action 3"
H&K Heckler & Koch
$0.00H&K MP5 "Action 3" Bolt Group Complete New HK German MP5 "Action 3" Bolt Group Complete. Includes the following: MP5 Action 3 Bolt head complete, MP5 Full Auto Bolt Carrier (newer F style), MP5 Firing pin, MP5 Firing pin spring, 100 MP5 Degree...HKP-00129$0.00 -
Out Of Stock
Grip Frame - SEF - Clipped and Pinned - Finger Grooves
H&K Heckler & Koch
$0.00H&K SEF Grip Frame Clipped & Pinned With Finger Grooves New latest HK German manufactured SEF polymer grip frame. Each unit has been professionally clipped and pinned and set up for the welded on semi auto shelf style of firearm commonly found on...HKP-00165$0.00 -
Out Of Stock
HK MP5, HK33, HK53, HK91, G3 Trigger Housing - SEF - Push Pin - Finger Grooves
H&K Heckler & Koch
$0.00H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin This SEF grip housing features classic finger grooves and is crafted for factory push pin receivers. It's perfect for replacing worn out or faded SEF grip frames. The...HKP-16406$0.00 -
Out Of Stock
HK MP5-N Red Owners Manual
H&K Heckler & Koch
$0.00HK German MP5N Red Owners Manual New HK German MP5-N Operators Manual. A Great Item To Have On Hand For Reference As Well As A Collector Piece. 56 Pages Overall. Compatible With: HK MP5-NHKP-00103$0.00 -
Out Of Stock
HK MP5, MP5K Bolt Head - Complete - Action 3
H&K Heckler & Koch
$0.00H&K MP5, MP5K Bolt Head Complete - Action 3 New and the latest manufacturer, just got a few in. They are rare and hard to find as they are now considered "restricted items" by HK. Each is a current HK produced bolt head complete. Perfect for the 9mm...HKP-00131$0.00 -
Out Of Stock
HK MP5 Trigger Group - Semi Auto SEF - Clipped and Pinned - 9mm
H&K Heckler & Koch
$0.00H&K MP5 SEF Contoured Semi-Auto Clipped & Pinned Trigger Group HK German MP5, 94 Or Clone SEF Contoured Semi-Auto Clipped & Pinned Trigger Group Complete. Ready To Install On Your Semi Auto HK 9mm HK Or Clone. U.S 3rd Generation ejector lever.HKP-00157$0.00 -
Out Of Stock
HK MP5, HK33, HK53, HK93 Grip Housing - 4 Position Pictogram 0,1,3,F - Clipped and Pinned - 9mm, 5.56 / .223
H&K Heckler & Koch
$0.00H&K MP5 & 93/53/33 (9mm & 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Clipped & Pinned This new HK German grip housing features 4 position pictogram (0,1,3,F). It is clipped and pinned, designed for use with HK MP5/94 or...HKP-00161$0.00 -
Out Of Stock
HK 3 Position Ambidextrous 0,1,2 Burst Pack
H&K Heckler & Koch
$0.00H&K 3 Position Ambidextrous 0,1,2 Burst Pack New HK German 3 position burst trigger pack complete available in your choice of 9mm, 40/10, .223 & .308 we can set up each trigger pack in any caliber you wish (please specify when checking out in the...HKP-18540$0.00 -
Out Of Stock
HK MP5K, SP5K Sling Swivel with Screw for End Caps and Folding Stocks and Braces
H&K Heckler & Koch
$0.00H&K B&T Style Sling Swivel with Attachment Screw Same part found on the HK German MP5K, SP5K end caps and the B&T folding brace and folding stocks. The sling swivel is made by HK in Germany the mounting hardware is made in the USA. This is...HKP-18150$0.00 -
Out Of Stock
HK MP5, HK94, HK53 Handguard - "MLI" HKey - MRS
H&K Heckler & Koch
$0.00H&K MP5, 94 & HK53 "MLI" HKey Handguard - MRS The HKey mod "Mid Life Improvement" tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Compatible With: HK MP5, 94 HK MP5 .22...HKP-17600$0.00 -
Out Of Stock
HK MP5 Bolt Carrier - Action 3 - 9mm
H&K Heckler & Koch
$0.00MP5 9mm Bolt Carrier Action 3 Designed to be used with the standard recoil assemblies from an HK MP5 or HK94 model. Will work in clones and other factory-spec firearms. HK MP5 A2, A3, SD, and N modelsHKP-02549$0.00 -
Out Of Stock
Front Sight Tower, Triple Frame Fixture Jig - Installation and Removal
HKP HK Parts
$69.95HKP Front Sight HK Tower, Triple Frame Installation & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...HKP-17586$69.95