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 MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm, .357 SIG
RCM
$157.95MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American made carrier available. Compatible With: MP5 40 MP5...HKP-01192$157.95 -
HK MP5 Trigger Group - Navy 3 Position - .40 S&W, 10mm
H&K Heckler & Koch
$2,499.95HK German MP5 40/10/ 3 Position Navy (0,1,F) Trigger Group This Trigger Group Is A Factory Push Pin Safe, Semi, Full Navy Ambidextrous 3 Position Trigger Group For Registered Push Pin MP5's. This Trigger Group Can Also Be Used For Registered Sear...HKP-00448$2,499.95 -
HK MP5 Trigger Housing - FBI 2 Position 0,1 Pictogram - .40 S&W, 10mm - USED
H&K Heckler & Koch
$199.95H&K MP5 40/10 2 Position (0,1 Pictogram) FBI Style Trigger Housing - C/P This 2 position trigger housing (0,1) features FBI pictogram markings and is designed for the HK MP5 40/10 series. It comes clipped and pinned for semi-auto units, ensuring it...HKP-02696$199.95 -
Out Of Stock
HK MP5 Magazine Floorplate - .40 S&W, 10mm
H&K Heckler & Koch
$14.95H&K Heckler and Koch New HK German Magazine Floor Plate HK MP5 40,10HKP-01269$14.95 -
HK MP5K Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
HKP HK Parts
$149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. Not to be confused with cheap...HKP-18362$149.95 -
Out Of Stock
HK MP5, HK94 Trunnion - 9mm - USA
HKP HK Parts
$54.95HKP MP5, 94 Trunnion 9mm - USA US made to exact factory HK specifications for the HK MP5, 94 type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK...HKP-17934$54.95 -
HK MP5 "F" Ambidextrous Sling Loop Weldment
H&K Heckler & Koch
$19.95HK German Factory MP5 F Ambidextrous Sling Loop This is the factory HK part that is on all MP5F models. A great upgrade for that custom build or for those who want to have the ability to have an ambidextrous sling loop at the front of the...HKP-00100$19.95 -
Offset Picatinny Optic Mount - 45 Degree - Aimpoint Micro
B&T Brugger & Thomet
$129.95B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny In order to engage a target at close distance, a secondary optic without magnification is quite useful next to the primary scope, not only for snipers but also for dynamic rifle shooters. The...HKP-18045$129.95 -
Out Of StockOn Sale
AR-15 ARC Fire - Forced Reset Trigger - Ambidextrous Levers - BLEMISHED
AS Designs
Now: $149.50Was: $249.95ASD 3-Position ARC-Fire AR-15 Trigger with Ambidextrous Controls INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. AS Designs' ARC-Fire...HKP-22501-BNow: $149.50Was: $249.95 -
HK91, G3 Telescopic Stock - 4 Position
MKE
$517.95MKE HK91 G3 4 Position Telescopic Stock Telescopic stock designed for HK91 and G3 platform rifles. Modified to provide four adjustable length-of-pull positions to customize fit. Specifications: Steel rails and components Telescopic system Simple...HKP-22712$517.95 -
HK416, MR556, AR-15 Grip with Beavertail and Finger Grooves
Other
$12.95DLG Tactical AR-15 Rubberized Grip with Beavertail Upgrade your AR platform with the DLG Tactical Rubberized Grip with Beavertail. Designed with ergonomic finger grooves, a beavertail backstrap, and a textured non-slip surface, this grip helps improve...HKP-99447$12.95 -
On Sale
HK G36, G36K, G36C Sling - USED
H&K Heckler & Koch
Now: $46.95Was: $64.95HK G36, G36K, G36C Sling - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. 38 mm wide Compatible With: G36 G36K G36CHKP-18459-USEDNow: $46.95Was: $64.95