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
HK91, G3 Bolt Group - Full Auto - Rhinemetall Carrier
H&K Heckler & Koch
$0.00German Rhinemetall G3, 91 F/A Bolt Group Complete Each Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and...HKP-00357$0.00 -
Out Of Stock
HK91, G3 Clubfoot Buttstock
H&K Heckler & Koch
$0.00HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with all German Heckler & Koch Genuine parts. Compatible With:HKP-01456$0.00 -
Out Of Stock
HK91, G3 Handguard - Wide - Horizontal Vented
H&K Heckler & Koch
$0.00New HK German HK 91, G3 Horizontal Vented Wide Black Forearm / Handguard HK91,G3, PTR 18" barreled forearm with vents to provide extra cooling. New factory fresh production and German HK.HKP-02101$0.00 -
Out Of Stock
HK91, G3 Trigger Group - 3 Position - Navy Housing
HKP HK Parts
$579.95G3, 91, PTR Trigger Group 3 Position Navy Housing Introducing a cost-effective alternative to the high-priced and rare all-German HK FBI or 0,1 ambidextrous trigger groups. This semi-auto trigger...HKP-17242$579.95 -
Out Of Stock
HK91, G3 3 Position Navy Trigger Group - Double Tang
H&K Heckler & Koch
$0.00H&K 91/G3 (7.62x51/.308) 3 Position Navy Trigger Group - Double Tang HK German G3, 91 3-Position Navy Trigger Group - Double Tang New Heckler & Koch German Manufacturer. Black Polymer Ambidextrous...HKP-01709$0.00 -
Out Of Stock
HK53 Trigger Group 0,1,2 - Push Pin
H&K Heckler & Koch
$0.00HK 53 .223 Trigger Group (0,1,2) - Push PinHKP-02027$0.00 -
Out Of Stock
HK MSG90 Trigger Group Complete - Clipped and Pinned - Ready to Install
H&K Heckler & Koch
$0.00HMSG90 Trigger Group Complete Clipped & Pinned Ready To Install A perfect addition to your HK G3/91 & PTR 7.62x51/.308 rifles, this is the best 3lb factory trigger money can buy. It offers the best...HKP-00224$0.00 -
Out Of Stock
HK33, HK53, HK93 A3 Retractable Buttstock - Latest Design
H&K Heckler & Koch
$0.00HK German HK 93, HK33, HK 53 A3 Latest Generation Retractable Rear Stock- 4th Gen With Latest HK German Buffer DesignAlso fits all in spec V93, V53, C93, Other in spec .223 Clones. This stock has the...HKP-00472$0.00 -
Out Of Stock
HK33, G3 Vented Wide Handguard Black
H&K Heckler & Koch
$0.00HK 93, 33 & G3K Wide Black Vented Handguard Overall 11.5 inches long. Made for 16" barreled rifles. Easy installation. HK 93 HK 33 HK G3K <HKP-00471$0.00 -
HK33, HK53, HK93 Semi Sniper Trigger Group
HKP HK Parts / Heckler & Koch
$759.95H&K 93/53/33 (5.56/.223) Semi Sniper Trigger Group HK German SEMI 556 Trigger Group Complete With Custom Trigger conversion to a light smooth 4.5-5.0 LB. This Trigger Group Has Been Custom Modified...HKP-17030$759.95 -
Out Of Stock
HK53 Cocking Tube Support
H&K Heckler & Koch
$0.00HK German HK53 Cocking Tube Support New HK German HK53 factory correct cocking tube support. Each unit is the latest HK factory design with the HK53 tapered end. Great for replacement of the out of...HKP-00477$0.00 -
Out Of Stock
HK53 A2 Parts Kit - Ambi Burst
H&K Heckler & Koch
$0.00HK German Factory Newer Production HK53A2 SEF or (0-1-2) Burst Trigger Group Factory Parts Kit Complete Minus The Demilled Receiver. Each Parts Kit Includes The Following Factory Used HK53 Parts:HKP-01261$0.00