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 SL8, G36, Sight Rail - Flip Up Sights
H&K Heckler & Koch
$598.95HK Heckler and Koch Aluminum Sight Rail with Front and Rear Flip Up Sights for HK SL8, G36 New production German HK SL8, G36 picatinny rail with flip up front and rear sights. The latest production rail option from HK. All metal and built to take a...HKP-17718$598.95 -
HK416, MR556 Handguard Front Folding Sight - Brown
H&K Heckler & Koch
$599.99H&K MR556/416 9" Quad Rail With Flip Up Front Sight - Brown Latest production HK 416A5, MR556 9" quad rail with integrated built-in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and...HKP-17680$599.99 -
Out Of Stock
HK MR556, MR223 Upper Receiver - Forward Assist and Ejection Door
H&K Heckler & Koch
$694.95New HK German Partially Pre-Assembled Upper Receiver for HK MR556 and HK MR223 Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory. Compatible...HKP-16950$694.95 -
HK416 Compensator Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$39.95Heckler and Koch 5.56 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded 1/2x28 for use on all HK416, MR556 and other AR style applications. Compatible With: HK416, MR556, MR223 HK G36, SL8 B&T APC223 AR-15/M16 HK Firearms 5.56 / .223...HKP-16926$39.95 -
Out Of Stock
HK G36/SL8 Dual Optic Replacement Battery
$14.95HK G36 & SL8 Dual Optic Replacement Lithium Battery The proper battery with the proper voltage for all HK dual optic units. Please Note: Standard AA batteries WILL NOT work. You need this specialized battery for the optic to function...HKP-00009$14.95 -
HK91, G3 Parts Kit - RCM Barrel
H&K Heckler & Koch
$518.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...HKP-16577$518.95 -
HK91, G3 Handguard - Slimline Style- Used Surplus
H&K Heckler & Koch
$14.95Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-18315$14.95 -
HK G3 Parts Kit - FMP - HK Contract
H&K Heckler & Koch
$299.95Heckler and Koch Contract Portuguese FMP Surplus Parts Kit for HK G3 7.62 X 51mm / .308 Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit with the exception of the barrel and...HKP-17694$299.95 -
HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - Jungle Green
H&K Heckler & Koch
$122.95Surplus - Fixed Stock - Jungle Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...HKP-18887$122.95 -
HK33, HK53, HK93 Firing Pin - Stainless Steel
HKP HK Parts
$24.95HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33HKP-17798$24.95 -
HK MP5K, SP5K Rear Sight - Genuine HK German
H&K Heckler & Koch
$139.95New HK German MP5K/SP5K Rear Sight Drum & Base Complete Factory German HK SP5K, SP89, and MP5K factory OEM rear sight.HKP-01235$139.95 -
M-LOK Sling Swivel Mount - Quick Detach
AIM
$24.99M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes: All necessary mounting hardware and wrenches Features: High...HKP-18589$24.99