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 Selector Lever - Left Side - Extended 4 Position Ambi - ESSL
H&K Heckler & Koch
$299.95HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...HKP-00126$299.95 -
Out Of Stock
HK MP5, MP5K Telescopic Buttpad
B&T Brugger & Thomet
$190.00B&T HK MP5, MP5K Telescopic Buttpad - Brace Conversion B&T replacement stock buttpad. Also used to convert B&T's telescopic brace to a stock (BT-200601) Compatible With: HK MP5 HK MP5K MAC-5 clones may require custom fitment...HKP-21384$190.00 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics
USA
$5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-20894$5.95 -
HK UMP, USC Lower Locking Pin
H&K Heckler & Koch
$36.95HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.HKP-00595$36.95 -
HK91, G3 M4 Stock Complete
PTR
$234.95PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use an AR M4 style stock on your HK rifle or SBR. Each stock set...HKP-16142$234.95 -
HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract
HKP HK Parts
$99.95HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract HKP dual mag clamp with two Turkish contract 30 round 9mm MP5 magazines. Ideal for faster mag swaps and having two types of ammo (subs vs supers or FMJ's vs JHP's) ready to load...HKP-22492$99.95 -
HK MP5 ACR Stock and Adapter
Magpul
$599.95HK MP5 Magpul ACR Stock with HKP Adapter: The HKP adapter and Magpul ACR stock combo is a complete, drop-in ready unit. Magpul discontinued production of the ACR stock and we have just a few units left. Grab yours while you...HKP-21370-M$599.95 -
HK MP5K, SP5K, SP89 Side Folding Brace Adapter
HKP HK Parts
$119.95HKP MP5K/SP5K/SP89 Side Folding Brace Adapter The HK Parts folding brace adapter is the best option to attach the SB tactical Folding brace or any brace that utilizes the same mounting system. Hardware included for a quick and easy installation. QD...HKP-20798-M$119.95 -
HK G36, CQB Barrel Assembly - 5.56 / .223 - 15.4"
H&K Heckler & Koch
$1,095.95Factory German HK G36 CQB Barrel Assembly - New Brand new HK German cold hammer forged barrel assembly, date coded, uninstalled & unfired in the factory wax paper wrapping. Each barrel assembly uses the standard G36/SL8 piston rod assembly so the...HKP-17026$1,095.95 -
HK G36, SL8 Firing Pin - All Variants
H&K Heckler & Koch
$59.95HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8HKP-00289$59.95 -
HK416, MR556, G36, SL8 Gas Piston
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...HKP-14540$79.95 -
HK416, MR556 Operators Manual
H&K Heckler & Koch
$39.95New Latest Print Production HK German 416 & MR556 Operators Manual Each manual is 62 pages and is the go to resource to maintain, clean, and become well versed with the HK 416 and MR556 series of weapon systems.HKP-00054$39.95