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 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 -
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 a total of 2 of these axle pins per trigger pack...HKP-22233$1.99 -
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 -
Out Of Stock
HK MP5 UCS Stock and Adapter
HKP HK Parts / Magpul
$317.95HK MP5 Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5 pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...HKP-22197$317.95 -
HK416, MR556 Bayonet Adapter - M27 Style
H&K Heckler & Koch
$69.95Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet. Specifications Bayonet adapter only (roll pin sold...HKP-22191$69.95 -
HK CC9 Magazine Follower - 10 and 12 Round
H&K Heckler & Koch
$5.95H&K CC9 - Magazine Follower - 10 and 12 Round Magazines Follower for HK CC9 10-round and 12-round magazines. Manufactured in Germany by H&K. Compatible With: HK CC9HKP-22146$5.95 -
Out Of Stock
HK CC9 Firing Pin Return Spring
H&K Heckler & Koch
$5.95H&K CC9 Firing Pin Return Spring OEM firing pin return spring for the CC9 pistol that regulates firing pin movement during cycling to ensure reliable function. Compatible With: HK CC9HKP-22137$5.95 -
Out Of Stock
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. Compatible With: HK CC9HKP-22134$5.95 -
HK CC9 Disassembly Safety Lever
H&K Heckler & Koch
$5.95H&K CC9 Disassembly Safety Lever The CC9 disassembly safety lever prevents accidental discharge during disassembly by blocking the trigger mechanism. Compatible With: HK CC9HKP-22120$5.95 -
Out Of Stock
HK CC9 Ejector
H&K Heckler & Koch
$5.95H&K CC9 Ejector Made by H&K, this ejector for the CC9 pistol directs spent casings out of the ejection port during cycling. Compatible With: HK CC9HKP-22114$5.95 -
On Sale
HK MP5, HK33, HK53, HK93 Grip Housing - Push Pin Style - 4 Position - USED
H&K Heckler & Koch
Now: $129.95Was: $229.95HK MP5, HK33, HK53, HK93 Grip Housing - Push Pin Style - 4 Position - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...HKP-02240-USEDNow: $129.95Was: $229.95 -
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 muzzle flip and recoil, allowing you to get back on target...HKP-22072$179.95