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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On Sale
HK SP5 Trigger Group - Super Safety
War Hammer Armaments
$530.95 - $539.95War Hammer Armaments OEM Polymer SP5 Super Safety Lower Receiver War Hammer Super Safety complete lower for SP5 platforms. Constructed of Kevlar and carbon-fiber–infused polymer, this complete lower is engineered for increased strength,...HKP-22826-M$530.95 - $539.95 -
HK G3, HK33, HK93 Bayonet with Scabbard - NOS
H&K Heckler & Koch
$227.95HK G3, HK33, HK93 Bayonet with Scabbard - New Old Stock Genuine German HK military surplus bayonet in original wrap. These are the 12-groove version of the popular military bayonet. Scabbard is included. Compatible With: HK G3 HK91 HK33 HK93HKP-22366$227.95 -
HK MP5K, SP5K ACR Folding Stock With Adapter - Picatinny
F5 MFG
$291.95 - $324.95HK MP5K, SP5K ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their K and other platforms. This drop-in ready assembly attaches with the K's two...HKP-22351-M$291.95 - $324.95 -
HK CC9 Magazine Follower - 10 and 12 Round
H&K Heckler & Koch
$5.95H&K CC9 - Magazine Follower - 10 and 12 Round Magazines Follower for HK CC9 10-round and 12-round magazines. Manufactured in Germany by H&K. Compatible With: HK CC9HKP-22146$5.95 -
Out Of Stock
HK416, MR556 Enhanced Buffer Tube - Tan
H&K Heckler & Koch
$192.95Tan HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German-manufactured 416 & MR556 latest generation, marine environment & and over-the-beach buffer tube. Each commercial buffer tube features built-in...HKP-22086$192.95 -
Out Of Stock
B&T APC9, 40, 45 MBT Folding Stock - Includes Hydraulic Buffer
B&T Brugger & Thomet
$625.00B&T MBT folding stock for APC 9/40/45. Polymer stock and adapter with hydraulic buffer included. Features: 8-position length adjustment Telescoping cheek riser with 3-position height adjustment Folds to the right canted downward 3.5...HKP-21749$625.00 -
Out Of Stock
B&T GHM9/45 Stock Telescopic
B&T Brugger & Thomet
$510.00B&T Stock Telescopic for GHM9/45 Factory B&T 3-position telescopic stock for the GHM9 and GHM45 platforms. Compatible With: B&T GHM9/GHM45HKP-21722$510.00 -
On Sale
HK VP9L Compensator - Quick Detach - BLEMISHED
Now: $69.95Was: $169.95Comp Weight™ HK VP9L Quick Detach Compensator - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HK Parts VP9L, Comp...HKP-19129-BL-BNow: $69.95Was: $169.95 -
On Sale
HK SP5 Stock With Direct Fit Adapter
Magpul
$160.95 - $189.95HK SP5 Stock With Direct Fit Adapter SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it on to the new Magpul DT Carbine stock. This is a great...HKP-21411-M$160.95 - $189.95 -
On Sale
HK/Hogue Ballista First Response Knife - Partially Serrated
Hogue
Now: $199.95Was: $249.95H&K/Hogue Ballista First Response Knife - Partially Serrated 3.5" Drop Point Blade (Partially Serrated) - Black CerakoteRed/Black ChromaCut G10 Frame Features: Frame: red/black chromacut Deep carry pocket clip (right or left handed, tip up...HKP-21348Now: $199.95Was: $249.95 -
On Sale
HK VP9 Compensator for Threaded Barrel - Bronze
HKP HK Parts
Now: $119.95Was: $179.95HKP HK VP9 Compensator for Threaded Barrel - Bronze This HK Parts VP9 threaded barrel rail mount compensator is the perfect accessory for your firearm. Our compensator has a sleek design that flows with the lines of the firearm for a seamless addition...HKP-20858Now: $119.95Was: $179.95 -
On Sale
HK P30SK Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $99.95Was: $169.95HKP HK P30SK Rail Mount Compensator for Threaded Barrel This HK P30SK rail mount compensator is the perfect accessory brought to you by HKParts. This compensator has a sleek design that flows with the lines of the firearm for a seamless addition. The HK...HKP-20637Now: $99.95Was: $169.95