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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HK G36, UMP Pistol Grip Storage Insert
USA
$16.95HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...HKP-20176$16.95 -
HK417, MR762, G28 Stock - Slim Line - RAL8000
H&K Heckler & Koch
$145.95H&K HK MR762/417/G28 Slim Line Stock - RAL 8K New from HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...HKP-17136$145.95 -
12-Pack 123A Batteries
Surefire
$29.95Surefire 12-Pack 123A Batteries Made in the USA and the "gold standard" in battery performance. These are the best performance, longest lasting 123 batteries available. The price is for a box of 12 new batteries. Ideal for use with lasers, lights,...HKP-02711$29.95 -
HK G36 Retractable Buttstock - 4 Position - Folding
H&K Heckler & Koch
$289.95HK G36, G36k, G36C, & SL8 Conversion Rear Stock Assembly The G36 KV stock, as it is known, was built by HK for a military contract and is built HK tough with an overall length of 8.5 inches (fully collapsed) to 11.40 inches when fully extended. Each...HKP-02682$289.95 -
HK33, HK91, G3 Complete Triple Frame Front Sight Tower
H&K Heckler & Koch
$29.95NEW HK German Front Sight Tower Triple Frame G3 triple frame in. Comes complete with sight blade and roll pin. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18777$29.95 -
HK416, MR556, HK417, MR762 Rear Sight - Flip Up - 2mm
H&K Heckler & Koch
$274.95H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm This sight attaches to any standard Picatinny rail. No hardware is needed as this is a self-contained quick-attach rear sight assembly. This unique HK-designed sight features a quick and easy push...HKP-08951$274.95 -
HK23, HK21, HK11 Ammunition Belt with Starter Tab - 100 Round
H&K Heckler & Koch
$59.95H&K HK21 100 Round Belt with Starter Tab - 7.62x51/.308 Custom 100 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK 23/21/11HKP-21890$59.95 -
HK MP5, SP5 Binary Trigger Group – SEF Navy - BFSIII - 9mm
FA Franklin Armory
$899.95Franklin Armory - BFSIII HK-C1 – Binary Trigger Group – SEF Navy Housing SEF Navy style- HK binary trigger group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger...HKP-19506-M$899.95 -
HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
H&K Heckler & Koch
$34.95Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized.HKP-19692$34.95 -
On Sale
HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH
USA
Now: $47.95Was: $74.95HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH This flash hider adds a neat look & feel that provides outstanding flash hiding capabilities. Perfect for adding a unique look to your .45 ACP. Made in the USA, each flash hider is made of...HKP-02188Now: $47.95Was: $74.95 -
HK MP5 Magazine Release Lever Spring - 10mm and .40 S&W
H&K Heckler & Koch
$9.95H&K MP5 40/10 Magazine Release Lever Spring The needed spring that fits in the mag release lever and the magwell for the MP5 40/10 series. Made in Germany and no longer offered or made. These units are the latest design with the ground ends for...HKP-18109$9.95 -
HK MP5K Trunnion - 9mm
HKP HK Parts
$57.95HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...HKP-17964$57.95