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 A3F Retractable Stock - 4 Position
H&K Heckler & Koch
$0.00HK German MP5 F 4 POSITION A3 Retractable Stock With BHO Cutout This is known as the universal stock as it fits all 9mm, 40 & 10mm firearms. A Perfect Solution If You Need A Stock To Fit All of The...HKP-00456$0.00 -
Out Of Stock
HK MP5 Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug
HKP HK Parts
$139.95HK Parts 9mm Barrel threaded at 1/2x32 for your HK MP5made in the USA Made in the USA This is the highest quality, best valued US-made MP5-N barrel available. This high-quality barrel is processed...HKP-18022$139.95 -
Out Of Stock
HK MP5 Parts Kit - A2 Buttstock and 4 Position Lower - 9mm
H&K Heckler & Koch
$0.00HK German MP5 9mm Used Parts Kit Complete - Less Receiver. All MP5 Kits: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight TowerHKP-00776$0.00 -
Out Of Stock
HK MP5 Trigger Housing - Navy 0,1,3,F - Semi Only - Clipped and Pinned - 9mm
H&K Heckler & Koch
$0.00H&K MP5 9mm Semi & Semi Only Navy Style Trigger Housing - Clipped & Pinned Enhance your firearm with this HK trigger housing, designed to replicate the look and feel of a full-auto 3 position trigger...HKP-00155$0.00 -
Out Of Stock
HK MP5, SP5, PDW Telescopic Stock - 5 Position
HKP HK Parts
$349.95HKP MP5, SP5 - PDW 5 Position Telescopic Stock Finally the most anticipated PDW style stock for the MP5 ever developed. Made in the USA. The stock rails collapse along the top ridge of the grip frame...HKP-17958$349.95 -
Out Of Stock
HK MP5, SP5 Family Operator's Manual
H&K Heckler & Koch
$0.00HK MP5 Family Operator's Manual A factory HK OEM printed manual for the operation, use, care & understanding of the MP5, HK94 family of firearms. A must have for all owners of the MP5 series of...HKP-00023$0.00 -
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...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...HKP-00165$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:HKP-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...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...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,...HKP-00161$0.00