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
HKP 2 Point Leather Sling - OD Green
HKP HK Parts
Now: $31.84Was: $49.95HKP 2 Point Leather Sling - OD Green These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German...HKP-20164Now: $31.84Was: $49.95 -
Out Of Stock
HK P2000SK Conversion Barrel - .40 S&W To .357 SIG - Non-Threaded
RCM
$239.95HK P2000SK .40 S&W To .357 SIG Conversion Barrel - Non-Threaded This is a great spare or replacement barrel to have on hand. Also, a popular barrel to convert the P2000SK .40 S&W to .357 SIG...HKP-20581$239.95 -
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...HKP-17803$49.95 -
On Sale
HK USP Night Sight Set
Trijicon
Now: $115.16Was: $127.95Trijicon - Tritium Night Sight, Fits HK USP, Green/Green, 3 Dot Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night fire shooting accuracy by as much as five times over...HKP-01609Now: $115.16Was: $127.95 -
HK416A5 Stripped Upper Receiver
H&K Heckler & Koch
$489.99HK 416A5 - Stripped Upper Receiver This is the factory correct receiver for a true 416 build as it features the M16 relief cut in the bottom, rear portion of the receiver (shown in last pricture)...HKP-18786$489.99 -
Out Of Stock
HK33, HK53, HK93 Extractor
H&K Heckler & Koch
$67.95H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh...HKP-00189$67.95 -
Out Of Stock
HK MP5 3 Position 0,1,F Navy Housing
HKP HK Parts
$169.953 Position 0,1, F Navy Ambidextrous Grip Housing - US MADE US-made Navy ambidextrous grip housing, ideal for any factory German ambidextrous trigger pack or US-made trigger pack. This offering...HKP-18196-M$169.95 -
On Sale
HK MP5, SP5 Folding Stock - 11"
Zenith
Now: $79.97Was: $99.95Zenith HK MP5, SP5 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5 receivers.HKP-22420Now: $79.97Was: $99.95 -
HK UMP, USC, G36 Flat Trigger
HKP HK Parts
$99.95HKP HK UMP/USC & G36 Flat Trigger Our flat trigger has spaced out serrations at the face of the trigger for a superior grip. Chamfered edges prevent the trigger face serrations from cutting into the...HKP-20766-M$99.95 -
On Sale
HK45, P30L Holster - Paddle - RH
Comp-Tac
Now: $76.46Was: $84.95Comp-Tac HK P30L/HK45 RH Paddle Holster The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The Paddle is...HKP-18817Now: $76.46Was: $84.95 -
HK417, MR762, G28 Buttstock - Adjustable
H&K Heckler & Koch
$364.95 - $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 adjustablHKP-16721-M$364.95 - $425.95 -
HK VP9, P30 Magazine Floorplate - 9mm - 10 Round
H&K Heckler & Koch
$23.95HK VP9 & P30 9mm Magazine Floor Plate For 10-Round Mag New HK German production. 10-round floorplate with tabs for the 10-round HK P30/VP9 magazine. A must-have spare replacement part as the tabs...HKP-02569$23.95