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 Slimline Handguard - OD Green - Refinished
H&K Heckler & Koch
$39.95Refinished HK MP5K Slimline Forearm - OD Green Refinished German military OD green slimline forearm with heat shield, modified to fit the MP5K. Available exclusively at HK Parts. Compatible With: MP5K, SP5KHKP-20498$39.95 -
HK P30SK Grip Wrap for Large Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K P30SK - Granulate Black - Large Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20236$19.99 -
HK 5 Round HK USC .45 ACP Magazine
H&K Heckler & Koch
$57.95HK German Factory 5 Round USC .45 Magazine This is the only magazine that HK offers for the HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible With: All HK USC carbinesHKP-20041$57.95 -
HK MP5, HK93 3-Position Burst Housing - Universal - Clipped & Pinned - 0,1,2 Pictogram
H&K Heckler & Koch
$234.95H&K MP5, 93/53/33, PTR (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,2 Pictogram) Burst Universal Housing - Clipped & Pinned This factory German 3 position burst housing (0,1,2) is designed for multiple calibers and applications. It features...HKP-19800$234.95 -
On Sale
HK UMP Demilled Extended Rear Receiver Section
H&K Heckler & Koch
Now: $689.95Was: $999.95HK German Factory UMP Receiver Section - Extended Demilled factory HK UMP rear receiver section perfect for a USC-UMP conversion. With the folding stock attachment point intact right in front of the ejection port, this extended receiver section is...HKP-19798Now: $689.95Was: $999.95 -
HK USP Rear Night Sight - Tru-Dot Tritium
Meprolight
$59.95Meprolight HK USP Tru-Dot Tritium Rear Night Sight Tritium rear night sight for USP pistols. Self-illuminated and maintenance-free, it provides consistent visibility in low-light conditions without the need for batteries. The U-shaped rear with dual...HKP-19735$59.95 -
Out Of Stock
HK MP5, MP5K, SP5K Match Trigger Group - SEF - Contoured Style
H&K Heckler & Koch
$0.00Contoured Style - SEF - Match Trigger Group - HK SP5K Upgrade your SP5K with this top-quality SEF Contoured Style RH Match Trigger Group. Ready to drop on your SP5K receiver, it serves as an excellent replacement trigger group, designed specifically for...HKP-19496$0.00 -
Out Of Stock
HK MP5K, SP5K, SP89 Vented Horizontal Handguard with Handstop
USA
$44.95MP5K, SP5K, SP89 - Vented Horizontal Forearm with Handstop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922r compliance. Each forearm has the latest enhancements and upgrades...HKP-19471$44.95 -
Out Of StockOn Sale
HK G36 Dual Optic With Carrying Handle - Used
H&K Heckler & Koch
Now: $1,679.95Was: $2,099.95HK G36, SL8 Dual Optic - Used PD trade in'sFactory HK G36/SL8 dual optic in used condition. This is a one time offering as far as we will not be able to get them again!Fits all: G36 G36K G36C Sl8-1, Sl8-4 & Sl8-6 models.HKP-00744Now: $1,679.95Was: $2,099.95 -
HK416, MR556, HK417, MR762 Buttstock Release Lever - RAL8000
H&K Heckler & Koch
$29.95Heckler and Koch MR556, MR762, HK416, HK417 Buttstock Release Lever - RAL 8000 Factory buttstock release lever finished in RAL 8000 for HK MR556, MR762, HK416, and HK417 platforms. Designed as a replacement component for compatible collapsible stock...HKP-19339$29.95 -
HK P7 PSP Big Dot - DXT2 - Yellow
XS Sights
$143.99DXT2 XS Big Dot Yellow Night Sights - HK P7 PSP XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for...HKP-19282$143.99 -
HK MR762, MR556 Buttstock Release Lever Insert Spring
H&K Heckler & Koch
$9.99H&K HK MR762/MR556 Buttstock Release Lever Insert Spring Compatible With: HK MR556 HK MR762HKP-16611$9.99