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 G3 .22 20 Round Conversion Magazine - USED
$199.95HK G3 .22 20 Round Conversion Magazine - USED HK .22 caliber conversion kit 20-round magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint...HKP-20750$199.95 -
On Sale
HK VP Series Curved Trigger - Gold Tab
Lazy Wolf
Now: $98.95Was: $134.95C1 - Curved VP Series Trigger - Lazy Wolf Guns - Gold Tab In a collaboration with Lazy Wolf Guns, HK Parts is offering quality aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the finest trigger ever developed...HKP-19813Now: $98.95Was: $134.95 -
HK G36, G36C, G36K Magwell
HKP HK Parts
$49.95Magazine Well - Magwell FDE & RAL8K - HK G36 Allows use of all factory G36 and Magpul G36 magazines. This magwell fits all 30, 10, and 100 round magazines and drums. Compatible With: G36, G36K, G36C In-spec clones and custom buildsHKP-19300-M$49.95 -
HK VP9, VP40 Grip Panel Right Side - Large - OD Green
H&K Heckler & Koch
$24.95H&K VP9, VP40 Right Side Grip Panel - Large - OD Green New HK German manufactured, right side size large. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible With: HK VP9 (Excludes VP9A1 F & VP9A1 K...HKP-19176$24.95 -
On Sale
HK P30 Stand Off Device
HKP HK Parts
Now: $68.95Was: $109.95Stand Off Device - HK P30 The HK Parts P30 standoff is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an excellent self-defense addition. The standoff device slides...HKP-19168Now: $68.95Was: $109.95 -
Out Of Stock
HK G36C Barrel - 5.56 / .223 - 8.98"
HKP HK Parts
$499.95HKP HK G36C Barrel Brand new HK G36C barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36C barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...HKP-18195$499.95 -
HK VP9SK, VP40SK Grip Panel Left Side - Small
H&K Heckler & Koch
$18.95H&K VP9SK, VP40SK Left Side Grip Panel - Small - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18297$18.95 -
HK VP9SK, VP40SK Backstrap - Small - Black
H&K Heckler & Koch
$25.95H&K VP9SK, VP40SK Backstrap - Small - Black New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18306$25.95 -
Lee Sporting LS5 HK MP5 Complete Trigger Group Push Pin
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5 Push Pin The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...HKP-20467$549.95 -
HK Tactical Pistol Bag - Black
H&K Heckler & Koch
$64.95H&K Tactical Pistol Bag - Black Keep your handgun safe and secure with the HK tactical nylon case. This heavy duty case will accommodate two pistols, accessories and two magazines. Features: Durable, 600 Denier PET shell with 10mm PE padding and a...HKP-20286$64.95 -
$9.95 -
HK VP9, VP40 Backstrap - Large - FDE
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Large - FDE New HK German manufacture Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18180$29.95