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
-
Out Of Stock
HK G36 IDZ Convex Buttstock - Adjustable, Folding
H&K Heckler & Koch
$347.95HK Heckler and Koch Convex Folding Adjustable IDZ Buttstock for HK G36 Features: 3 position forward and back 3 cheek piece elevation positionHKP-17703$347.95 -
HK MR762 E2 Convex Butt Pad w/ Bowden Retaining Wire
H&K Heckler & Koch
$67.95MR762, 417 German Convex Butt Pad With Bowden Retaining Wire Harness This item can be added as an option on the HK MR762 & HK712/G28 E1/E2 Stock. Providing you an option to use either the concave or...hkp-18488$67.95 -
Out Of Stock
$9.95 -
HK G36 Guide Rod Set Screw
H&K Heckler & Koch
$9.95HK G36 Guide Rod Set Screw Replacement guide rod set screw for HK G36 platforms. Designed to secure the guide rod assembly within the bolt carrier group during proper installation and maintenance.HKP-01873$9.95 -
HK23E Recoil Spring - 5.56/.223
H&K Heckler & Koch
$79.95New German HK Factory HK23E Recoil SpringHKP-02001$79.95 -
HK91, G3 Key Mod Handguard
HKP HK Parts
$149.95HK G3, HK91 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up...HKP-17178$149.95 -
Out Of Stock
HK33, HK53, HK93 Lower Housing - 3 Position SEF 0,1,25 Pictogram - Push Pin
H&K Heckler & Koch
$199.95H&K 93/53/33 (5.56/.223) SEF 3 Position (0,1,25 Pictogram) Housing - Push Pin Upgrade your HK rifle with this premium SEF housing, featuring a 3-position 0,1,25 selector. Designed for precision andHKP-17059$199.95 -
HK MP5 Bolt Head, Complete - .40 S&W, 10mm
RCM
$211.95RCM- US made Bolt Head Complete for HK MP5 40/10 Each bolt head incorporates the same enhanced material as all of the new RCM products. Ideal to replace out of spec, worn or broken bolt heads or for...HKP-02664$211.95 -
On Sale
HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm
HKP HK Parts
Now: $44.96Was: $49.95HKP MP5/K 40/10 Locking Piece - Extra Low Impulse Marked 100 Degree For the MP5 40 or 10mm Firearms. Made out of enhanced material and heat-treated to spec. The #100 degree locking piece is an extra...HKP-18273Now: $44.96Was: $49.95 -
Out Of Stock
HK MP5K Trigger Housing - 4 Position Pictogram 0,1,3,F - Clipped and Pinned - 9mm
H&K Heckler & Koch
$468.95H&K MP5K 9mm 4 Position (0,1,3,F Pictogram) Trigger Housing - Clipped & Pinned This HK German MP5K trigger housing, featuring the (0,1,3,F) pictogram, is clipped and pinned for use with semi-auto...HKP-00404$468.95 -
Out Of Stock
HK MP5, MP5K Recoil Rod Stop Pin
H&K Heckler & Koch
$14.99HK German MP5 & MP5K Recoil Rod Stop Pin New HK German manufacture a great spare or replacement item to have on hand. Compatible With: MP5, 94, SP5HKP-17421$14.99 -
HK MP5F Bolt Carrier - Full Auto - 9mm
H&K Heckler & Koch
$1,949.95H&K MP5F 9mm Full Auto Bolt Carrier This carrier is the latest and greatest MP5 carrier. Will fit all HK MP5 and HK94's or clones semi or full. These are becoming increasingly hard to find. Get them...HKP-00092$1,949.95