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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On Sale
HK VP Series F2 Trigger - Flat Face
Lazy Wolf
Now: $103.96Was: $129.95Lazy Wolf F2 Flat Face Trigger for the Heckler and Koch HK VP Series In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and HK VP40 handguns. The drop...HKP-18747Now: $103.96Was: $129.95 -
On Sale
HK VP9 Gen 2 V1 Threaded Barrel Rail Mount Compensator
HKP HK Parts
Now: $74.96Was: $169.95HKP HK VP9 Gen 2 V1 Threaded Barrel Rail Mount Compensator Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 1 - Gen 2 This HK Parts VP9 Threaded Barrel Rail Mount...HKP-19115Now: $74.96Was: $169.95 -
HK VP9, P30 Magazine Loader - 9mm, .40 S&W
H&K Heckler & Koch
$21.95Heckler and Koch HK P30, HK VP 9mm / 40S&W Magazine Loader - Black Compatible With: VP9 VP9FHKP-01164$21.95 -
HK VP9F Magazine - 17 Round
H&K Heckler & Koch
$56.95H&K 17 Round HK VP9A1 F Magazine Made in Germany, this magazine features durable steel construction with a sleek black finish. The magazine’s impact-resistant polymer floor plate enhances its...HKP-21649$56.95 -
On Sale
HK MP5K Handguard with Handstop - M-LOK Compatible
HKP HK Parts
$25.47 - $39.95MP5K - M-LOK Compatible Forearm with Handstop - USA Each forearm will fit the MP5K style platforms. Dual M-LOK mounting slots allow you to quickly mount lights, lasers, or a pressure switch. As an...HKP-20819-M$25.47 - $39.95 -
Out Of Stock
HK91, G3, PSG1, HK11 Drum Magazine - 50 Round
HKP HK Parts
$359.95HKP 50 Round Drum HK91, G3, PSG1/MSG90, HK11 - 7.62x51/.308 Modeled after the discontinued HK G8 50 round drum, the HK Parts drum steps in where the original left off. Each drum is crafted in the...HKP-21615$359.95 -
On Sale
HK USP45, Mark 23 +10 Magazine Extension
HKP HK Parts
$44.59 - $69.95Magazine Extension - +10 - HK USP .45 & Mark 23 Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing needed. Made 100% in the USA out of...HKP-21371-M$44.59 - $69.95 -
HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD
HKP HK Parts
$109.95HKP MP5, MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to MP5-spec. 9mm tri-lug barrels. This HK muzzle brake features the new style locking latch that seats flush and doesn't come off while...HKP-20323$109.95 -
HK SL8 Magazine - 10 Round - Factory
H&K Heckler & Koch
$65.95HK German 10-Round Magazine For The SL8-1 & SL8 Firearms. Made in Germany and factory fresh.HKP-00276$65.95 -
HK USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
$74.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.HKP-00811$74.95 -
HK91, G3 Ejector Lever
H&K Heckler & Koch
$24.95New H&K .308 Ejector Lever Genuine HK German part. Compatible With: HK G3HKP-00832$24.95
HK VP9, Tactical Bench Mat
HKP HK Parts
$13.95HK VP9, VP9 Tactical Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9 firearm while using our high quality neoprene rubber backed and cloth topped gun...HKP-17106$13.95