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 Pistol Stabilizing Brace - SBA4 - FDE
SB Tactical
$294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5 or clone...HKP-20352$294.95 -
HK MP5K 40/10 SEF Navy Style Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K MP5K 40/10 SEF Navy Style Housing - Clipped & Pinned New factory German housing that has the cutout for the bolt hold open found on the MP5 40/10 firearms. Specifications: Made In Germany Clipped & Pinned SEF Pictogram Markings Navy...HKP-20108$179.95 -
HK MP5 .40 S&W RS Reverse Stretch Parts Kit
HKP HK Parts / Heckler & Koch
$1,689.95MP5 .40 Reverse Stretch Pistol Build Kit Complete German & 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 the needed US made compliance parts to be...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 -
$39.95 -
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 -
HK G36 Picatinny Evaluation Adapter
H&K Heckler & Koch
$59.95HK G36 Picatinny Evaluation Adapter Picatinny Evaluation Adapter for Carry Handle and Sight Rail. Includes all mounting hardware. Compatible With: G36 G36K G36C ModelsHKP-18779$59.95 -
HK G36 Handguard, Incomplete - Original Style
H&K Heckler & Koch
$69.95H&K G36 (5.56/.223) Handguard - Original Style- IncompleteHKP-16356$69.95