Description
H&K HK MR556/416 Ejection Port Cover
HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556. This item can also be used on other AR15-style projects to enhance the project with the finest ejection port cover available.
Compatible With:
- HK MR556
- HK 416
- Any other in spec AR15 .556/.223 firearm
