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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HK Firearm Cleaning and Tuning Kit
SchleTek
$69.95SchleTek Firearm Cleaning & Tuning Kit The SchleTek Firearm Cleaning & Tuning Kit is an all-in-one solution for maintaining peak performance and reliability in your firearms. Designed for both professionals and enthusiasts, this comprehensive kit...HKP-21732$69.95 -
Out Of Stock
TP9, MP9, APC9, SPC9, GHM9, KH9 Magazine Loader - 9mm
B&T Brugger & Thomet
$40.00B&T Magazine Loader - 9mm B&T's factory 9mm magazine loader is compatibly ONLY with B&T factory 9mm magazines. Compatible With: B&T TP9 B&T MP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9HKP-21716$40.00 -
HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted
H&K Heckler & Koch
$54.95H&K HK91/G3 PTR & Recoil Rod Assembly-Backplate-Painted Our German HK backplate has been expertly refinished and Painted for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly replace worn...HKP-21647$54.95 -
Out Of Stock
HK UMP Stock Block B Push Pin
HKP HK Parts
$34.95Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)HKP-21249$34.95 -
HK P2000 Magazine Extension Kit - +10
HKP HK Parts
$64.99HKP HK P2000 +10 Magazine Extension Kit HK Parts magazine extension adds 10 additional rounds to the HK P2000 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when loading...HKP-20811$64.99 -
On Sale
6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 "
Tactical Precision MFG
Now: $42.95Was: $84.99TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 This lightweight titanium muzzle brake is designed by a master gunsmith and is one of the best on the market. The spiral port outlets along with the parabolic internal taper significantly...HKP-20768Now: $42.95Was: $84.99 -
HKP Baseball Trucker Snapback Cap - OSFM - Tan & Black
HKP HK Parts
$17.95HKP Baseball Trucker Snapback Cap - OSFM - Tan & Black Get your hands on some of our premium hats! Features: Official HKP merchandise Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-20715$17.95 -
Out Of Stock
HKP Mark 23 .45 ACP Thread Cap - Threaded 16x1 RH
HKP HK Parts
$44.95H&K Mark 23 .45 ACP Thread Cap - Threaded 16x1 RH Introducing the new US HK Mark 23 SOCOM Thread Protector, designed for all H&K Mark 23/SOCOM barrels threaded 16x1 RH. This essential accessory protects your valuable threaded barrel and...HKP-20609$44.95 -
On Sale
HK VP9 Holster - Crusader Max - Right Hand
Victory Operational Works
Now: $59.95Was: $99.95Victory Operational Works HK VP9 Crusader Max Holster - Standard - Right Hand The Crusader holster is a modular multi-mission capable holster platform offering two carry options, IWB & OWB including the hardware needed for both configurations. Each...HKP-20308Now: $59.95Was: $99.95 -
Out Of Stock
HK UMP 2 Position Lower Grip Frame
HKP HK Parts
$179.95UMP - 2 Position Lower Grip Frame New UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using...HKP-19382$179.95 -
HKP HK G36, G36K Folding Stock - FDE
HKP HK Parts
$109.95Folding Stock - HK G36, G36K - Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock to choose the G36C length stock. Each...HKP-19298$109.95 -
Out Of Stock
HK G36C Handguard w/ Tri Rail Set Included
H&K Heckler & Koch
$199.95HK G36C Tri-Rail ForearmNew HK German Factory G36C Forearm with both left & right side rails, bottom rail, and hand stop included. This new style forearm also comes with the heat shield installed. Forearm is made in Germany. HK G36C SL8 to G36...HKP-00618$199.95