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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B&T Takedown Pin Rear
B&T Brugger & Thomet
$12.95B&T APC Takedown Pin - Rear Factory B&T rear take down pin for the APC receiver. Compatible With: APC Series Standard receiverHKP-21727$12.95 -
HK Mark 23 Thread Protector - 16x1 RH - US
HKP HK Parts
$19.95HKP HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RHHKP-21267$19.95 -
On Sale
HK G36, SL8, UMP, USC Hammer
GSG9
Now: $112.46Was: $124.95G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.HKP-19852Now: $112.46Was: $124.95 -
HK USP45 Magazine with Extension, Complete - 24 Round
HKP HK Parts
$89.95HKP HK Parts 24 Round Magazine Complete for HK USP45, USP45 Tactical The HK Parts manufactured USP 45 mag extension has been installed on an HK USP 45 12 round magazine to increase the capacity to a...HKP-19479$89.95 -
On Sale
HK VP9 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK VP9 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest...HKP-16850Now: $202.50Was: $225.00 -
HK417, MR762 Buffer Tube Castle Nut
H&K Heckler & Koch
$44.95Heckler and Koch Castle Nut for Receiver Extension for Buffer Tube for HK417 and MR762 New HK German manufacture and the factory correct offering with the proper installation screws and staking...HKP-16768$44.95 -
HK P7 Series Button Spring - Slide Removal
H&K Heckler & Koch
$7.95HK P7 Series Slide Removal Button Spring This item is no longer in production. Get it while it's still available. Compatible With:HKP-01314$7.95 -
On Sale
HK P30L Conversion Barrel - .40 S&W To .357 SIG - Non-Threaded
RCM
Now: $151.41Was: $237.50RCM HK P30L .40 S&W To .357 SIG Conversion Barrel - Non-ThreadedHKP-17568Now: $151.41Was: $237.50 -
On Sale
HK45, 45C, P30, 30L Holster - MTAC - RH
Comp-Tac
Now: $60.53Was: $94.95HK P30, P30L, HK45, HK45C MTAC Holster - Right Hand The MTAC is an inside the waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or...HKP-17476Now: $60.53Was: $94.95 -
HK45, HK45 Compact, P30, P30L Hammer Bearing
H&K Heckler & Koch
$14.95HK 30, P30L, 45, & 45C Hammer Bearing Compatible With: HK P30 HK P30L HK45HKP-01800$14.95 -
Streamlight TLR-4 Tactical Light and Laser Combo - Red
Streamlight
$209.95Streamlight TLR-4 Tactical Light & Laser Combo - Red Features: Features C4 LED technology and a 640-660nm red laser 5HKP-08538$209.95 -
HK USP Jet Funnel Floorplate - 9mm, .40 S&W - Steel
H&K Heckler & Koch
$49.95Heckler and Koch Steel Jet Funnel Floor Plate for HK USP 9mm and .40 S&W A great spare and replacement part to have on hand. The HK USP jet funnel floorplate will fit the original style and the new...HKP-01204$49.95