HKP HK Parts

HK MR556, CR556 & MR762 HKey Rail Segment - 17 Slot 17 slot rail segment for the new "HKey" style forearms.  This rail section is designed to fit and attach to any of the new HKey style...

HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment 14 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being...

HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being...

HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417

HKP 416 & HK MR556 HK416A5 Style Trigger Guard  Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Fully assembled and ready to drop in...

HKP HK MR556/416 Rear Sight Drum 14.5&" & 16" Barrel Made in the USA.

HK MR556 & HK416 Buffer Tube Wrench The perfect metric wrench to remove and install the MR556 & HK 416 castle nuts on the buffer tube. A perfect addition to have on hand for OTB or other HK...

HKP 7" M-LOK Quad Rail - Black   Compatible With: HK 416 HK MR556  

MR556/416 KeyMod Qaud Rail - Short  

MR556 & HK416 Upper Conversion Kit - 9" - 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 9" barrel conversion kit...

MR556 & HK416 Upper Conversion Kit - 8" - 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...

MR556 & HK416 Upper Conversion Kit - 8" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original HK 416C 8" barrel conversion kit for 416 or MR556. Each...