HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK416, MR556 Ejector Spring
H&K Heckler & Koch
$39.99HK 416 & MR556 Ejector Spring Compatible With: MR556 HK 416HKP-02538$39.99 -
HK G36 (5.56/.223) Catch, Trip Lever
H&K Heckler & Koch
$14.95HK G36 Catch, Trip Lever For Bolt Contact On All G36 LowersHKP-01870$14.95 -
HK USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever
H&K Heckler & Koch
$11.95H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever HK German USC, SL8 left side selector lever 2 position 0,1 Safe, Semi only. Compatible With: HK SL8 HK USCHKP-02506$11.95 -
Out Of Stock
HK USC Grip Wrap - .45 ACP - Kydex
Solar Tactical
$79.95Kydex Grip Wrap - Ambidextrous - HK USC Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds. Preban hi-capacity...HKP-18890$79.95 -
Out Of Stock
HK PSG1, MSG90 Trigger Shoe Adjustment Tool
H&K Heckler & Koch
$19.95HK German Factory PSG-1, MSG90 Trigger Shoe Adjustment Tool A custom tool that allows you take the trigger shoe on and off and make Compatible With: HK PSG1 & MSG90 trigger shoesHKP-18181$19.95 -
HK91, G3 Trigger Pack - Complete - Semi Auto
H&K Heckler & Koch
$348.95H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to semi-only. Compatible With: HK91, G3, PTR...HKP-00217$348.95 -
Out Of Stock
HK91, G3 Complete Bolt Head - HK Contract FMP - Used
H&K Heckler & Koch
$59.95HK CONTRACT FMP - HK G3 & HK 91 & PTR Bolt Head Complete Made on HK tooling & prints in Portugal in the 1980's. Each used bolt head is complete with all parts installed & 100% functional. Removed from de-milled FMP HK G3 rifles. Each bolt...HKP-17628$59.95 -
HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin
H&K Heckler & Koch
$9.95HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90HKP-17624$9.95 -
HK German Bayonet Adapter With Hardware
H&K Heckler & Koch
$159.95H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Hardware made under a Turkish contract. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring-loaded mechanism in the...HKP-00021$159.95 -
Harris Bipod Adapter - Long - Picatinny
HKP HK Parts
$34.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and steel.HKP-00909$34.95 -
HK MP5 to AR Stock and Adapter
HKP HK Parts
$229.95HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...HKP-17119$229.95 -
HK G3 A2 Adjustable Stock Extension
USA
$69.95HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...HKP-00872$69.95