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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HK91, G3 Magazine Clamp
H&K Heckler & Koch
$149.95New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...HKP-00219$149.95 -
HK21, HK11 Barrel - 7.62 / .308 - 14.5"
RCM
$684.95RCM HK21 and HK11 Barrel - 14.5" RCM HK11 barrels are expertly crafted from mil-spec 41V50 CHF blanks and are fully salt bath nitrided, delivering exceptional wear and corrosion resistance. These hybrid barrels feature an E cut barrel face and are...HKP-21631$684.95 -
HKP 15 Round HK45 Enhanced Magazine
HKP HK Parts
$113.95HKP - 15 Round HK45 Enhanced Magazine HK45 & HK45 tactical +5 enhanced magazine extension. Our enhanced magazine was made to emulate the same side and front grip section of the HK45 to add the appearance of an extended grip. Paired with a new...HKP-21430-M$113.95 -
HK SEF Skeletonized Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized Our new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized selector...HKP-20526$69.95 -
HK417, MR762, G28 Buttstock - Adjustable
H&K Heckler & Koch
$347.95 - $425.95H&K HK MR762/417/G28 Adjustable Buttstock The HK G28 adjustable stock upgrade is to be used on the MR762, HK 417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for length of pull as well as the cheek...HKP-16721-M$347.95 - $425.95 -
HK Mark 23, SOCOM Firing Pin - Titanium
HKP HK Parts
$49.95Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...HKP-17803$49.95 -
Out Of Stock
HK VP9, P30, HK45C HD Night Sight Set - Orange
Trijicon
$150.95Trijicon HK VP, P30, HK45C HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set's front sight features a taller blade and an aiming point ringed...HKP-14557$150.95 -
HK UMP, USC Firing Pin Assembly - Complete
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HK90 Series Compression Rod for Burst Trigger Packs
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
On Sale
HK VP9SK Compensator - Quick Detach - Steel
HKP HK Parts
Now: $96.95Was: $199.95HKP HK VP9SK Comp Weight™ Quick Detach Compensator Easy on, easy off- Quick Detach technology. The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame...HKP-18376Now: $96.95Was: $199.95 -
HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer
Michaels Machines
$429.95US G3, 91, PTR-91 Or Clone Club Foot Stock U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, 91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced heavy buffer has been...HKP-20068$429.95 -
HK USP Magazine Locking Plate - 9mm / .40 S&W - High Capacity
H&K Heckler & Koch
$6.95HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate Compatible With: HK USP 9mm HK USP .40HKP-02165$6.95