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 MP5F, MP5 40, 10 Cocking Handle
H&K Heckler & Koch
$85.99H&K MP5F & MP5 40/10mm Cocking Handle New HK German factory correct cocking handle. Each unit is to be used with the correct 40/10 or F-style cocking handle support and cocking tube. Compatible With: MP5 40 MP5 10mm MP5 .357 MP5 9X25 Dillon MP5...HKP-00098$85.99 -
Out Of Stock
Ergo KeyMod Handstop
Ergo
$51.95KeyMod Hand Stop/Barricade Stop in Black Aggressive textured front for enhanced traction on barricades and obstacles Features: Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Compatible With: All KeyMod style...HKP-17885$51.95 -
HK MP5F Bolt Carrier - Full Auto - 9mm
H&K Heckler & Koch
$1,949.95H&K MP5F 9mm Full Auto Bolt Carrier This carrier is the latest and greatest MP5 carrier. Will fit all HK MP5 and HK94's or clones semi or full. These are becoming increasingly hard to find. Get them while you can. This is the newer style that has...HKP-00092$1,949.95 -
On Sale
HK MP5, AP5 Cocking Handle - BLEMISHED
MKE
Now: $9.95Was: $17.95MKE AP5, HK MP5 Cocking Handle - BLEMISHED MARKINGS ON AXLE - DENTS ON BODY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory-style cocking handle for...HKP-99374Now: $9.95Was: $17.95 -
Out Of Stock
HK MP7 Back Plate - Complete
H&K Heckler & Koch
$67.95HK MP7 Back Plate - Complete OEM complete back plate assembly for the HK MP7. Direct factory replacement back plate for maintaining or rebuilding your MP7 platform using original HK parts. Compatible With: MP7HKP-22430$67.95 -
HK MP5K, SP5K ACR Folding Stock With Adapter - Picatinny
F5 MFG
$324.95HK MP5K, SP5K ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their K and other platforms. This drop-in ready assembly attaches with the K's two...HKP-22351-M$324.95 -
HK G36 ACR Folding Stock - Picatinny Adapter
HKP HK Parts
$359.95HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...HKP-22331$359.95 -
HK CC9 Front and Rear Sights - Minimalist - Tritium
XS Sights
$157.99XS Sights Minimalist HK CC9 Tritium Front and Rear Sights The XS Sights CC9 sights were designed for low light conditions. Featuring a tritium insert, serrated blades to cut glare, and a black nitride finish for corrosion resistance, it’s...HKP-22296$157.99 -
HK VP9SK EDC Magwell - Ultra Low Profile
HKP HK Parts
$55.95HKP HK VP9SK EDC Magwell - Ultra Low Profile The smallest and most streamlined EDC magwell for the HK VP9SK, now featuring a fully functional funnel designed for rapid, seamless reloads. Crafted from durable aluminum and treated with type 3 hard coat...HKP-22263-M$55.95 -
HK91, G3 Sniper Trigger Group - AC Unity Grip
H&K Heckler & Koch
$699.95H&K HK91, G3 Sniper Trigger Group with AC Unity Grip The G3, HK91 match trigger group paired with the AC Unity PSG1 style sniper grip is an outstanding choice for anyone looking to create a tactical and visually impressive build. With its robust...HKP-22252$699.95 -
On Sale
HK33, HK53, HK93 Magazine - 25 Round - RARE - Used - LEO Marked
H&K Heckler & Koch
Now: $249.95Was: $349.95H&K Heckler & Koch HK33, HK53, HK93 - 25 Round Magazine - LEO MARKED - (5.56/.223) - RARE - USED Priced for ONE Magazine - Condition Varies by Unit - Sold Individually ONLY A FEW UNITS AVAILABLE Factory-original H&K Heckler &...HKP-99299Now: $249.95Was: $349.95 -
On Sale
HK G36 Magazine - 30 Round - LEO Marked - USED - BLEMISHED
H&K Heckler & Koch
Now: $119.95Was: $195.99H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - BLEMISHED BROKEN COUPLERS AND LUGS - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-22212-BNow: $119.95Was: $195.99