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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK MP5K, SP89, SP5K Tactical Folding Stock - 9mm
Choate
$229.95HK SP5K Folding Tactical Stock Made in the USA and counts as one 922r compliant part. Compatible With: MP5K D54K SP5K SP89 Zenith Z-5P/Z-5K & in-spec clonesHKP-00781$229.95 -
Out Of Stock
B&T Ambidextrous Sling Pin- Large
B&T Brugger & Thomet
$57.95B&T Stock Ambidextrous Sling Pin That Replaces The Push Pin For Stock Each ambi sling pin will allow the use of a sling mounting location for either a left or right hand shooter for replacing the rear stock push pin with this ambi sling pin. Each pin...HKP-16887$57.95 -
On Sale
HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $99.95Was: $169.95HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 2. Version 2 has the weight reduction cut-out located in the front (as seen in the photos). Besides this V1 and V2...HKP-19470Now: $99.95Was: $169.95 -
HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - SEF - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308 - Excellent
H&K Heckler & Koch
$149.95H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent In excellent shape! Most have never been on a firearm. They may have storage and handling marks on the polymer housing. Specifications: Made...HKP-19913$149.95 -
HK USP 9mm, .40 S&W Complete Recoil Assembly
H&K Heckler & Koch
$79.95New HK USP 9mm & .40 Cal Tactical Recoil Spring With Buffer Assembly - Complete This is a great spare or replacement item to have on hand, it is the factory OEM HK part for Tactical models. Each recoil rod assembly was designed to be used for heavy...HKP-01475$79.95 -
HK416, MR556, MR762, G36 Extractor Spring
H&K Heckler & Koch
$8.95H&K MR556/MR762/416/G36 (5.56/.223) & (7.62x51/.308) Extractor Spring A must-have replacement wear part and a great item to have on hand. Compatible With: HK G36 HK G36K HK G36C HK SL8 HK MR556 HK 416 HK MR762HKP-00288$8.95 -
HK USP, P30, HK45 Hammer Spring - Reduced Power - 12 lb.
Lazy Wolf
$9.95Lazy Wolf HK Reduced Power Hammer Spring - 12 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...HKP-18148$9.95 -
G.I. Tanto 7" Knife
Cold Steel
$34.99G.I. Tanto - Cold Steel Knife The G.I. Tanto is a no-nonsense tactical knife that comes with a legion of practical uses. The GI Tanto's broad blade, integral quillon guard, and polypropylene handle scales exemplify a tactical knife stripped down...HKP-20329$34.99 -
HK416, MR556 Buttstock - E1 Style - Mil-Spec German
H&K Heckler & Koch
$222.95H&K Heckler and Koch Mil-Spec German E1 Stock for HK416 and HK MR556 The HK E1 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4, AR15-type weapons. Each stock comes with the convex buttpad as found on factory-issued HK 416s...HKP-00052$222.95 -
HK MP5, MP5K Scope Tab - Weldment
HKP HK Parts
$9.95MP5, MP5K Sight Tab - Weldment HK MP5, MP5K 17-4 Stainless H900 rear sight tab. The most correct MP5, MP5K rear sight base available. If you want your build to look as factory correct as possible then this sight base is an absolute must. Compatible...HKP-17503$9.95 -
HK45 Holster - Comp Carry
Comp-Tac
$79.95Comp-Tac HK 45 Full Size Comp Carry Holster This custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best holster company in the...HKP-20585-M$79.95 -
HK416, MR556, MR762 Clamping Sleeve Safety Lever
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/416 Clamping Sleeve Safety Lever There are one of the same pin on both sides. Compatible with: HK MR556 HK 416 HK MR762HKP-15252$7.95