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 MP5K Trigger Group, Complete - SF Semi Auto - 9mm
USA
$449.95H&K Heckler and Koch MP5K 9mm Semi Auto SF style Trigger Group Complete Each unit is composed of German HK & the finest US made HK Parts. This lower is ready to drop on your semi auto HK firearm. Comes complete with the US made parts already...HKP-19936$449.95 -
HK MP5 Parts Kit - RS Reverse Stretch - .40 S&W
HKP HK Parts / Heckler & Koch
$1,689.95HKP HK Parts and Heckler & Koch Reverse Stretch Pistol Build Kit - for HK MP5 .40 - Complete German and USA Made Parts MP5 .40 Reverse Stretch parts kit complete with all the parts needed for an MP5.40 semi-auto pistol. Each kit comes with all 6 of...HKP-19819$1,689.95 -
On Sale
HK MP5 Build Kit - 9mm - Single Shot Reverse Stretch
H&K Heckler & Koch
Now: $1,399.95Was: $1,519.95California Spec Single Shot Reverse Stretch Kit - German & USA Made Parts: This kit was built with the CA market in mind. This kit has a specially designed locking piece that once installs it renders the kit a single shot style roller lock. This kit...HKP-19698Now: $1,399.95Was: $1,519.95 -
HK417, MR762 Upper Receiver - Incomplete
H&K Heckler & Koch
$797.95H&K HK MR762/417 Upper Receiver - Incomplete Stripped upper receiver with threaded piston guide bushing installed. Compatible With: HK MR762 HK417HKP-16624$797.95 -
HK417, MR762 Charging Handle Plate
H&K Heckler & Koch
$19.95HK MR762, HK417 Plate For Charging Handle Compatible With: HK MR762 HK417HKP-16843$19.95 -
HK417, MR762 Rear Sight Drum
HKP HK Parts
$29.95HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.HKP-17776$29.95 -
HK417, MR762 Hammer Axle
H&K Heckler & Koch
$13.95H&K HK MR762/417 Hammer Axle Compatible With: HK MR762 HK 417HKP-16622$13.95 -
$39.95 -
HK416, MR556, HK417, MR762, G28 Sniper PSG1 Style Grip - Black
H&K Heckler & Koch
$134.95H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - Black HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 Lower Receivers As Well. Superior fit & feel to any other grip on the market. HK has hit a home run with...HKP-17692$134.95 -
Out Of Stock
HK416, MR556 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95Upper Conversion Kit for HK416 and MR556 8 inch barrel - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit...HKP-18629$1,285.95 -
On Sale
HK416, MR556 Handguard - 9" - HKey
H&K Heckler & Koch
Now: $289.95Was: $399.95H&K HK MR556/416 9" Modular Rail System - Black HK German MR556 & CR556 handguard that accepts the HKey style modular rail sections. This handguard is compatible with the OSS suppressor system. HK has discontinued this handguard. Only have a few...HKP-17341Now: $289.95Was: $399.95 -
HK G36 Optic Mount - 18" - Mechanical Sights
H&K Heckler & Koch
$699.95Sight Rail with Mechanical Sights - G36 Low profile rail with built-in mechanical sights. Made from aluminum. Overall length 18". Compatible With: G36 G36K G36CHKP-18729$699.95