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 MP5K, SP5K Trigger Housing - Universal SEF - Clipped and Pinned - USED
H&K Heckler & Koch
$99.95H&K Heckler and Koch SEF Universal Housing Clipped and Pinned - USED for HK MP5K HK SP5K Finally, a solution everyone was looking for. A one size fits all approach for the MP5K and SP5K style semi-auto shelf. You can easily swap the lower trigger...HKP-21352$99.95 -
Blast Shield - 9mm - Quick Detach with 3 Lug
Angstadt Arms
$99.95Angstadt Arms, Blastwave, Blast Diverter, 9MM, 3 Lug Attachment Ideal for close quarters environments or shooting in teams, the Blastwave 3-Lug 9mm QD Blast Shield reduces concussive forces on the shooter and those nearby by redirecting the blast...HKP-19983$99.95 -
Out Of Stock
HK UMP, USC Ejector Lever
H&K Heckler & Koch
$39.95HK German UMP & USC Ejector Lever - German New HK German OEM part. Each unit fits all calibers of UMP & USC firearms. A great spare to have on hand as they are prone to shearing off with use and must be replaced. Compatible With: UMP .45 UMP ...HKP-00263$39.95 -
HK416, MR556, HK417, MR762 Pistol Grip
H&K Heckler & Koch
$89.99HK Heckler and Koch's Pistol Grip with Storage - Black HK German factory pistol grip with a storage compartment in the bottom. It has a superior fit and feel to any other grip on the market. This is a great upgrade for any AR, M16 platform. Compatible...HKP-22298$89.99 -
Out Of Stock
B&T 9mm Gov't Contract 30 Round Complete Magazine
B&T Brugger & Thomet
$50.00B&T 9mm Gov't Contract 30 Round Complete Magazine This B&T 9mm magazine is designed for reliable performance in your MP9, TP9, APC9, GHM9, or SPC9. With a 30 round capacity, it meets the standards of government contracts, making it a dependable...HKP-21711$50.00 -
Out Of Stock
HK MP5, HK94 Bolt Group - 9mm - Full Auto
RCM
$459.95RCM HK MP5-E Full Auto Bolt Group Each bolt group incorporates RCM’s F style carrier, MP5-E bolt head, extractor and 100 degree locking piece. This group is 100% US made and the finest out there. Complete and ready to drop in and use. Ideal to...HKP-21351$459.95 -
On Sale
HK G36 Poster
H&K Heckler & Koch
Now: $4.95Was: $14.95H&K HK G36 Poster Limited edition print no longer in production. Shows all models of the famous G36 battle rifle. Available while supplies last! Specifications: Height - 24" Width - 18"HKP-16688Now: $4.95Was: $14.95 -
HK416, MR556 Gas Block - Slimline - Vented
H&K Heckler & Koch
$145.95Heckler and Koch Low Profile Complete Gas Block for HK MR556, HK416, HK German Factory slimline, low-profile gas block for the HK416 and HK MR556. This is the factory-correct gas block found on the MR556. Correct gas block to use with...HKP-02660$145.95 -
HK MP5SF Elbow Spring Bushing Sleeve
H&K Heckler & Koch
$5.95Heckler and Koch replacement distance sleeve for MP5SF elbow spring with roller Features: Precision-machined elbow spring and roller used in traditional roller-delayed trigger packs. Original HK design ensures perfect trigger geometry, smooth...HKP-03330$5.95 -
HK MP5, HK33, HK53, HK93 Trigger Housing - SEF Navy - Polymer - Push Pin - 9mm, 5.56 / .223
H&K Heckler & Koch
$129.95H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin Upgrade your older SEF contoured trigger pack with this Navy Style polymer housing, designed to enhance the look and feel of your HK firearm. Specifications: Push...HKP-02462$129.95 -
HK MP5, MP5K Extractor - Coated and Polished
HKP HK Parts
$44.95HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...HKP-22181-M$44.95 -
HK P2000, P2000SK Night Sight Set - Tru-Dot - Green
Meprolight
$107.95Meprolight HK P2000/P2000SK Tru-Dot Night Sight Set - Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to...HKP-01904$107.95