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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Out Of Stock
HK MP5, SP5 Telescopic Brace
B&T Brugger & Thomet
$650.00B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation...HKP-19504$650.00 -
HK VP9, USP, USPC Extractor Spring
H&K Heckler & Koch
$5.95H&K USP/USPC/VP40 Extractor Spring The extractor spring is one of the hardest working parts of your HK pistol. The extractor spring should be changed every 5K rounds. A must-have spare part to have on hand. Compatible With: HK USP 9, 40 .45...HKP-01079$5.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Locking Roller for Bolt Head - 8.04mm
H&K Heckler & Koch
$29.95H&K +4 Roller For Bolt Head 8.04mm - Over-Sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...HKP-00508$29.95 -
HK MP5, HK91, HK93, MP5K Front Night Sight - Tritium
Meprolight
$54.95Meprolight Rifle Front Sight - HK MP5, HK MP5K HK91, HK93, PTR The Meprolight HK Mp5, 91, 93, 94 Rifle Front Sight, Green ML31506F.S Features: Self illuminated light source - No batteries or switches, always ready when you need them. Operates under...HKP-19703$54.95 -
HK VP9, P30, HK45 Adjustable Suppressor Sights Superluminova - Green
H&K Heckler & Koch
$119.95H&K HK VP9, HK P30, HK 45 Adjustable Suppressor Sights Superluminova - Green HK OEM LPA Suppressor Sights with SuperLumiNova insert. Fully Adjustable in elevation and windage (front and rear sight set). The only sight set available on the market that...HKP-18756$119.95 -
On Sale
HK P30, P30L, P30S Bench Mat
HKP HK Parts
Now: $10.95Was: $13.95HKP HK P30 Series Bench Mat Perfect for all HK P30 9mm & .40 Cal models. This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to protect your...HKP-17107Now: $10.95Was: $13.95 -
Out Of Stock
HK VP9, VP40 Recoil Spring - Complete
H&K Heckler & Koch
$89.95H&K HK VP9, HK VP40 Complete Recoil Spring Assembly Newer style recoil spring offering that is now standard in all VP9 & VP40 models. This model has a slightly stiffer spring rate than the earlier 1st gen VP9 recoil spring models...HKP-17613$89.95 -
On Sale
M-LOK Rail Section - 3 Slots
Magpul
Now: $15.95Was: $18.95Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-20495Now: $15.95Was: $18.95 -
On Sale
HK VP9 Tactical Barrel - 9mm - 4.45" - Threaded 1/2x28
RCM
Now: $201.95Was: $225.00RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded barrel available for the HK VP9 9mm pistol, perfect as...HKP-16849Now: $201.95Was: $225.00 -
On Sale
HK417, MR762, G28 Buffer Tube Wrench
HKP HK Parts
Now: $23.95Was: $29.95HKP HK MR762/417/G28 Buffer Tube Wrench The perfect metric wrench to remove and install the MR762 & G28 castle nuts on the buffer tube. A perfect addition to have on hand for G28 buffer tube upgrades, etc. Made from all steel, heat treated and made...HKP-17111Now: $23.95Was: $29.95 -
HK91, G3 Firing Pin
H&K Heckler & Koch
$19.95HK G3, HK91, PTR 762/.308 Firing Pin HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible With: HK G3 HK91 HK PTR CETME & C308HKP-00497$19.95 -
On Sale
HK VP9 Optics Plate #4 - Leupold DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
HKP HK Parts
$24.95 - $39.95HKP/H&K VP9 9mm Leupold DeltaPoint Pro and Eotech EFLX Optics Plate #4 Each plate is CNC machined from a solid billet of ordnance grade aluminum, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with...HKP-20070-M$24.95 - $39.95