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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HK51, PTR PDW MOE PR Stock
Magpul
$249.95Magpul HK51, PTR PDW MOE PR Stock - Black Designed for the PTR PDW platform, this adapter ensures a precise fit and secure lockup for stock installation. Features:HKP-22347$249.95 -
HK USP Compensator - MOD 1 - Threaded Barrel
HKP HK Parts
$179.95HKP HK USP Tactical 9mm MOD 1 Compensator - Threaded The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in...HKP-22313$179.95 -
Out Of Stock
HK416, MR556, HK417 Selector Lever - Left - Ambi - RAL8000
H&K Heckler & Koch
$17.95Heckler and Koch Left Side Ambidextrous Selector Lever for HK416, MR556, HK417 Factory HK left side ambidextrous selector lever for HK416, MR556, HK417, and MR762 platforms. Perfect replacement or...HKP-22308$17.95 -
On Sale
HK CC9 Front and Rear Sights - Minimalist - Tritium
XS Sights
Now: $100.72Was: $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...HKP-22296Now: $100.72Was: $157.99 -
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...HKP-22252$699.95 -
HK90 Series Trigger and Catch Axle - USA
MKE
$1.99HK Sear and Trigger Axle For 90 Series - SURPLUS MKE sear and trigger axle for the 90 series style trigger packs. Each axle pin (aka pivot pin) measures .197 inches (5.0mm). Each HK trigger pack uses...HKP-22233$1.99 -
Out Of StockOn Sale
Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus
Zeiss / Fero
Now: $14.96Was: $29.95Zeiss Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus CONDITION AND COLOR MAY VARY. SEE PHOTOS. German manufactured surplus OD green canvas bag for the Z-51 night vision scope.HKP-99201Now: $14.96Was: $29.95 -
HK CC9 Firing Pin Safety Spring
H&K Heckler & Koch
$5.95H&K CC9 Firing Pin Safety Spring Made by H&K, this firing pin safety spring for the CC9 pistol provides spring tension to the firing pin safety.HKP-22134$5.95 -
HK91, G3 A3 Retractable Buttstock - New Old Stock
H&K Heckler & Koch
$1,345.95Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years,...HKP-22104$1,345.95 -
HK USP45 Compact Compensator - MOD 1
HKP HK Parts
$179.95HK Parts MOD 1 Compensator for HK USPC .45 ACP The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in...HKP-22072$179.95 -
Out Of Stock
$399.95 -
Out Of Stock
Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO
B&T Brugger & Thomet
$148.95B&T 52mm QD Skeleton Mount for Aimpoint ACRO The B&T QD Skeleton Mount for the Aimpoint ACRO offers a 52mm elevated profile for improved sight alignment. It is ideal for night vision setups that...HKP-21860$148.95