USMC MST-100 & MST-100M Glass etched reticle retrofit
Available only through Sentinel Tactical is a glass etched reticle retrofit for the USMC UNERTL MST-100 & MST-100M. If you own a USMC MST-100 from an M40a1 or the Canadian C3A1 MST-100M scope you will understand why the glass etched reticle is a great idea. All of these old scopes are just waiting for the …