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
-
HK91, G3 Stock Set with Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best sets we have in stock. Includes: Slimline...HKP-18237$84.95 -
HK33, HK53, HK93 Surplus Fixed Stock - A2
H&K Heckler & Koch
$249.95Surplus - Fixed Stock - HK93,33,53 HK93 Surplus Stock - Black comes with a matching buttpad. Ready to install on your HK or clone rifle. Last remaining units. Once all are gone there will be no more. Compatible HK 93, 33, 53 *Please note that these are...HKP-19075$249.95 -
Out Of Stock
HK33, HK53, HK93 Factory Correct Ejector Lever
H&K Heckler & Koch
$69.95HK German Factory 93, 33, 33K, 53 & 300 Blackout Ejector Lever New 2nd generation latest design upgraded German factory correct ejector lever. This is the latest design with all the improvements for use in all the various models and styles of 556/223...HKP-00191$69.95 -
Out Of Stock
HK MP5K, SP89, SP5K 9mm Shoulder Harness - Right Handed
H&K Heckler & Koch
$299.95HK MP5K, SP89 & SP5K Shoulder Rig - Right Hand HK MP5K, SP5K shoulder harness with 2X spare magazine pouch. This is the finest shoulder harness available and is the one used by the Secret Service and other operators when discretely carrying the HK...HKP-01295$299.95 -
HK Selector Catch Lever Spring - Ambi Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
HK MP5, HK90 Series Hammer Strut
H&K Heckler & Koch
$9.95H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut New HK German Hammer Strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a non-pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: The...HKP-15445$9.95 -
On Sale
HK UMP, USC 9mm / .40 S&W / .45 ACP Enhanced Top Receiver Rail - BLEMISHED
HKP HK Parts
Now: $28.95Was: $49.95HKP H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - 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 extended length allows...HKP-14541-BNow: $28.95Was: $49.95 -
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 -
HKP Range Bag - Small
HKP HK Parts
$29.95Get your hands on our new premium range bags. This range bag is compact while being able to hold a lot of gear. This range bag will easily carry a couple pistols, holster, several magazines & pouches, ammo, eye & hearing protection, and other...HKP-20740$29.95 -
M-LOK Rail Section - 9 Slot
Magpul
$24.95Magpul M-LOK 9 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-19570$24.95 -
HKP HK G36/SL8 Family Armorer's Manual
HKP HK Parts
$19.95HK G36 & HK SL8 Family Armorer's Manualf This manual is the most comprehensive manual available for the G36 & SL8 family of firearms. The manual covers the G36 & SL8 family in-depth to include all aspects of history, origin, makeup,...HKP-00627$19.95 -
HK/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine
HKP HK Parts / Heckler & Koch
$99.95H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine HK Parts take an existing 13 round mag the +10 mag extension and assembles them into a working 22 round mag. Each unit comes as a completely assembled VP40/P30 .40 cal 22 round...HKP-19547$99.95