Description
H&K HK MR556/416 10.5″ Rear Diopter Sight Assembly
This is the proper rear sight for use on all HK 416 10.5 uppers and firearms. This is also a great sight alternative for those who need a lower sight setup for the AR, XCR, etc. To be used in conjunction with the HK front fixed or folding front sight.
Compatible With:
- HK MR556
- HK 416
