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 MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only
$749.95H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK...HKP-17237$749.95 -
HK MP5 Bolt Group, Complete - .40 S&W, 10mm
HKP HK Parts
$414.95RCM- MP5 40 & MP5 10mm - Bolt Group Complete Ideal to replace out of spec, worn, or broken bolt groups or for that custom build. Includes: RCM bolt head complete RCM locking piece RCM firing pin RCM firing pin spring RCM full auto bolt carrier...HKP-19723$414.95 -
HK417, MR762 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$59.95H&K HK MR762 Lower Receiver Front Takedown Pin - A1 Style This is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and...HKP-16602$59.95 -
HK416, MR556 Firing Pin Catch
H&K Heckler & Koch
$19.95HK MR556/416 Firing Pin Catch Compatible With: HK MR556 HK 416HKP-16846$19.95 -
HK416, MR556 Charging Handle Release Latch
H&K Heckler & Koch
$39.95H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...HKP-16553$39.95 -
Magazine Assist - 5.56 - 3 Pack
Magpul
$9.95ORIGINAL MAGPUL® 5.56 NATO, 3 PACK When installed on the base of a 5.56x45 rifle magazine, the original Magpul provides improved speed and control during high stress, tactical magazine changes. Durable synthetic rubber loop with recessed rough...HKP-17320$9.95 -
Out Of Stock
HK G36K Handguard - Quad Rail
B&T Brugger & Thomet
$329.95Swiss Made B&T Quad-Rail (4 Sided Picatinny Rail) Handguard For HK G36K Aluminum version with rail cover and sling swivel. The B&T offering is the finest railed hand guard available for the HK G36K or SL8 conversions to G36K spec.B&T...HKP-16895$329.95 -
HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US
HKP HK Parts
$299.95HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...HKP-18639$299.95 -
Out Of Stock
HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223
H&K Heckler & Koch
$9.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.HKP-00579$9.95 -
HK91, G3 Cocking Tube with Hanger - Ribbed -Used
H&K Heckler & Koch
$34.95HK German HK G3 & HK 91 Ribbed Cocking Tube With Hanger Installed - Used Used surplus condition, take-offs from demilled G3 firearms. They may have dings, dents, and heavy wear. Still in serviceable condition or perfect for projects. Fair Condition...HKP-00719$34.95 -
HK416, MR556, HK417, MR762 Folding Rear Sight - 3mm
H&K Heckler & Koch
$344.95Heckler and Koch 3mm Flip Up Rear Sight for HK416, MR556, HK417, MR762 HK factory quick-release flip-up rear sight for MR556, MR762, HK416, and HK417 platforms. This rear sight attaches directly to any standard Picatinny rail using HK’s push-button...HKP-01405$344.95 -
HK UMP Cocking Handle - Assembly
OMEGA
$34.95Omega USC/UMP Cocking Handle Assembly Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...HKP-21271$34.95