The MAX-50 rings are on inch wide, giving them 60% more holding power than any other ring available from Badger Ordnance. Utilizing 6 #8-40 Torx screws to distribute the load providing the maximum amount of holding power while minimizing the chance of damaging the scope. Machined from Steel or Aluminum as serialized matched pairs. MIL STD 1913 compatable, designed for the demanding .50 BMG round. Mfg: Badger Ordnance