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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$39.95 -
HK MR762 Buttpad - E2 Concave w/ Bowden Retaining Wire
H&K Heckler & Koch
$79.95MR762, 417 German E2 Concave Butt Pad With Bowden Retaining Wire Harness This item can be added as an option on the HK MR762 & HK712/G28 E1/E2 stock. The Bowden wire retainer is used to work as a lanyard for the buttpad to prevent the buttpad from...HKP-18492$79.95 -
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 -
HK416, MR556 Modular Rail System - 9"
H&K Heckler & Koch
$399.95H&K HK MR556/416 9" Modular Rail System - Black HK German MR556 & CR556 handgaurd that accepts the HKey style modular rail sections. This is also the forearm that clear the OSS suppressor system. HK has discontinued this part. Only a few...HKP-17341$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 (5.56/.223) Handguard - Original Style- Incomplete
H&K Heckler & Koch
$69.95H&K G36 (5.56/.223) Handguard - Original Style- IncompleteHKP-16356$69.95 -
HK G36, UMP, USC Handstop Filler Piece
H&K Heckler & Koch
$59.95H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Filler Piece HK German Hand Stop filler piece for UMP and G36.HKP-17779$59.95 -
Out Of Stock
HK21E, HK23E Backplate Assembly With Buffer
H&K Heckler & Koch
$449.95HK 21E Backplate Assembly With Heavy Buffer Genuine Heckler and Koch. Unique back plate assembly for a pistol type build or a low profile addition to the HK21E/HK23E. Compatible With: HK 21E HK 11HKP-01407$449.95 -
HK21 Axle pin - 7.62x51 / .308
H&K Heckler & Koch
$9.95H&K 21 (7.62x51/.308) Axle pin 11x12mmHKP-15451$9.95 -
Out Of Stock
HK PSG1 Firing Pin Spring
H&K Heckler & Koch
$0.00HK German PSG-1 Firing Pin Spring. New HK German. A Great Item To Have On Hand As A Spare.HKP-00535$0.00 -
HK91, G3 A3 Retractable Buttstock - Excellent
H&K Heckler & Koch
$999.95HK G3 & HK 91 A3 Retractable Stock - German These are the final units available no longer produced or offered by HK Germany. Each stock includes two large push pins as a bonus. A beautiful upgrade that truly elevates your G3 or 91 build. Once...HKP-00828$999.95