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 UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug
GSG9
$349.95GSG9 UMP (9mm) Barrel - Threaded 1/2x28 - 3-Lug This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded 1/2x28 end of the barrel for use with suppressors or...HKP-02281$349.95 -
HK21E, HK23E Recoil Rod Guide Ring
H&K Heckler & Koch
$19.95HK 21E & HK 23E Recoil Rod All Steel Guide RingHKP-02063$19.95 -
HK PTR PDW Bolt Group - Complete
HKP HK Parts
$379.95US Made PTR Bolt Group Complete Semi-Auto 308. Factory correct bolt head and locking piece for use in the PTR PDW chambered in 7.62X51 or 308. Brand new May 2015 manufacture. This is the correct...HKP-17389$379.95 -
HK53 Front Sight Tower - Factory Correct
H&K Heckler & Koch
$169.95HK53 Front Sight Tower - (Triple Frame) This factory HK German triple frame is the factory-correct part for your HK53 build (not the incorrect G3/91 triple frame).HKP-02238$169.95 -
Out Of Stock
HK33, HK53, HK93 Cocking Lever Axle Pin
H&K Heckler & Koch
$0.00New HK German 93, 33, & 53 Cocking Handle Axle Pin This is a new HK factory part made for the .223 HK rifle for the HK93/33/53, not surplus or a cut-down .308 part, as others offer. This part is the...HKP-01060$0.00 -
HK MP5K Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
HKP HK Parts
$149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American...HKP-18362$149.95 -
Out Of Stock
HK MP5K PDW Trigger Group, Complete - FBI - 9mm
H&K Heckler & Koch
$799.95HK Heckler and Koch 9mm Complete PDW FBI Trigger Group for HK MP5K This is a great upgrade and investment for your factory swing down MP5K or PDW (shown with an optional small push pin installed)...HKP-02699$799.95 -
Offset Picatinny Optic Mount - 45 Degree - Aimpoint Micro
B&T Brugger & Thomet
$129.95B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny In order to engage a target at close distance, a secondary optic without magnification is quite useful next to the primary scope, not only...HKP-18045$129.95 -
Out Of Stock
HK MR556 A4 Handguard - RAL8000
H&K Heckler & Koch
$279.95Heckler and Koch MR556 A4 Handguard - RAL8000 This 10" factory H&K MR556 A4 handguard offers a lightweight, free-floating design that enhances accuracy and provides rock-solid mounting for...HKP-99491$279.95 -
On Sale
HK91, G3 Cocking Handle - Extended - OD Green - BLEMISHED
HKP HK Parts
Now: $41.40Was: $64.95HK91, G3 Cocking Handle - Extended - OD Green - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.HKP-00199-ODG-BNow: $41.40Was: $64.95 -
WOOX Angled Grip - M-LOK - AFG
WOOX
$88.95WOOX M-LOK Angled Grip Compact angled foregrip for M-LOK handguards, built with a reversible dual-wall structure and checkered texture for a secure, consistent support-hand index.HKP-22465$88.95 -
HK MR762 A4 Upper Receiver Kit - 16"
H&K Heckler & Koch
$2,449.95HK UPPER RECEIVER KIT MR762 A4 - 16" The MR762 A4 upper kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated...HKP-22424$2,449.95