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 SL8, G36, Sight Rail w/ Flip Up Sights
H&K Heckler & Koch
$598.95HK Sl8, G36 Aluminum Sight Rail With Front & Rear Flip Up Sights New production German HK HK Sl8, G36 picatinny rail with flip up front and rear sights. The latest production rail option from HK. All metal and built to take a lifetime of use and...HKP-17718$598.95 -
Out Of Stock
HK VP9SK Stand Off Device
HKP HK Parts
$109.95HK VP9SK Stand-Off Device Fits only the HK VP9SK The VP9SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger). The ulimate component for close...HKP-19118$109.95 -
HK MP5 2 Stage Trigger - 9mm
Timney Triggers
$389.95Timney Trigger's Trigger for your 9mm HK MP5, MP5K The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes...HKP-20507$389.95 -
HK USP Holster - CT2H - 9mm / .40 S&W - RH
Comp-Tac
$129.95CT2H Holster - Right Hand - USP Full Size / Tactical Slide 9mm, .40 The CT2-H is a level 2 holster that uses friction retention and a thumb release hood to prevent unintentional removal of your handgun. The intuitive release mechanism makes this one of...HKP-20296$129.95 -
$79.95 -
HK VP9, VP9SK, VP40 Complete Trigger
H&K Heckler & Koch
$69.95H&K HK VP9/VP9SK, HK VP40 Complete Trigger New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP 40 TacticalHKP-16771$69.95 -
HK VP9 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
RCM
$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 threaded replacement barrel for the HK VP9 9mm pistol, ideal...HKP-16850$225.00 -
HK USP Pistols Trigger Bar
H&K Heckler & Koch
$44.95HK USP Pistols Trigger Bar Compatible With: USP 9mm USP .40 USP .45 ALL full size tactical pistols. USP Elite, Expert, etc. Please Pote: Not for use on the USPC models.HKP-01933$44.95 -
HK USP Mag Pouch - Single
Comp-Tac
$39.95Comp-Tac HK USP Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single magazine pouch provides a rigid material that is custom...HKP-17494$39.95 -
HK45 Compact, USP Compact, P30 Recoil Spring Washer Retainer
H&K Heckler & Koch
$9.95New HK German Recoil Spring Washer Retainer This is the retaining washer that holds the spring captive on the end of the recoil assembly and pushes against the recoil spring. Compatible With: All USP Compact models P2000 P30 HK45 HK45CHKP-01594$9.95 -
HK416, MR556 Handguard Front Folding Sight - Brown
H&K Heckler & Koch
$599.99H&K MR556/416 9" Quad Rail With Flip Up Front Sight - Brown Latest production HK 416A5, MR556 9" quad rail with integrated built-in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and...HKP-17680$599.99 -
HK MR556, MR223 Upper Receiver w/ F/A & Ejection Door
H&K Heckler & Koch
$694.95New HK German Partially Pre-Assembled MR556/MR223 Upper Receiver Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory. Compatible With: HK MR556 HK MR223 HK...HKP-16950$694.95