Beileshi 1-inch Scope Adapter Ring/mount with Picatinny/weaver Top Rail for Backup/second Laser, Anodized Black Single Weaver style 30mm to 25.4mm scope adapter 5 slots picatinny/weaver rail for backup/Second Laser, sight or light double allen head screws on both sides makes this mount very secure Standard with four sided hexbolts for maximum hold under extreme conditions and automatic weapons fire