The short-version mounts are suitable for use on all types of bolt action rifles and AR10 weapons. The 125 mm long contact surface ensures a secure and play-free fit on every Picatinny rail.Available with 30, 34 and 36 mm rings in up to 6 different heights, with or without 20 MOA. Locking either with safety levers (series T1 / T4) or with hexagonal nuts (series T2 / T5).