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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Out Of Stock
HK Screwdriver for Adjustable Rear Sight
H&K Heckler & Koch
$9.95Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.HKP-21981$9.95 -
HK MP5, SP5 Trigger Housing - AR - 9mm
Magpul
$299.95Magpul HK MP5/SP5 9mm AR Trigger Housing With our new MP5 AR style trigger housing you can have the desired Navy pictograph look with the versatile options of trigger guards to fit your shooting style and the option of storage inside the magpul grip...HKP-20727-M$299.95 -
On Sale
HK MP5 QD End Cap with Buffer
HKP HK Parts
Now: $63.95Was: $99.95Quick Detach Steel End Cap With Replaceable Rubber Buffer - HK MP5 With this MP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft...HKP-20118Now: $63.95Was: $99.95 -
HK UMP, USC Rear Sight, Complete
H&K Heckler & Koch
$45.95HK Heckler and Koch Complete Rear Sight for USC and UMP Includes: Leaf spring Rear sight Compression spring for rear sight Windage adjustment screw Rear sight support Compatible With: USC UMPHKP-16634$45.95 -
HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24
RCM
$239.95RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK suppressor...HKP-13907$239.95 -
HK33, HK53, HK93 Drum Magazine - 50 Round
X Products
$349.9550 Round Drum HK 93, 33, 53 & Clones, Custom Builds - X93, 33, 53 X Products 50 round drum for the HK93, 33, 53 family of firearms. Will fit all in-spec firearms made to German HK magwell specs. Each drum in this limited run was crafted from...HKP-17812$349.95 -
HK MP5, MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5, MP5K Muzzle Protector Cap - 3-Lug New HK German high-impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5, MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...HKP-17666$19.95 -
HK MP5, HK91, G3, HK33 Cocking Tube Detent End Cap
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.HKP-18050$4.95 -
HK MP5K, SP5K Stock - 4 QD Rubber Buttpads
AC-Unity
$74.95AC-Unity HK MP5K, SP5K Stock with 4 Quick-Detach Rubber Buttpads Stock set for HK MP5K and SP5K pattern firearms with a quick-detach rubber buttstock pad setup. This setup offers a solid rear stock option while allowing fit preference changes with...HKP-22557$74.95 -
On Sale
HK MP5 Recoil Spring
MKE
Now: $7.95Was: $10.99MKE HK MP5 Recoil Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5 Century Arms AP5 Clones & custom buildsHKP-22239Now: $7.95Was: $10.99 -
On Sale
HK33 Cocking Tube - 11" - Right Hand
HKP HK Parts
Now: $74.95Was: $99.95HKP HK33 11" Right Hand Cocking Tube This is the one and only right handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".HKP-18692Now: $74.95Was: $99.95 -
HK MP5K Ace Style Stock
HKP HK Parts
$164.95HKP HK MP5K Ace Style Stock MP5K billet ace adapter paired with an all-steel ace-style stock.HKP-20953$164.95