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 ERA-TAC Gen 2 34mm Mount with Levers MPN Height Inclination T4014-0021 1.52" 0 MOA T4014-0013 1.18" 0 MOA T4014-0031 1.89" 0 MOA T4014-2013 1.10" 20 MOA T4014-2033 1.89" 20 MOA T4014-2023 1.50" 20 MOA Available ERA-TAC Gen 2 34mm Mount with Nuts MPN Height Inclination T5014-0011 1.10" 0 MOA T5014-0017 1.36" 0 MOA T5014-0021 1.52"" 0 MOA T5014-0025 1.65" 0 MOA T5014-0013 1.18" 0 MOA T5014-0031 1.89" 0 MOA T5014-2011 1.02" 20 MOA T5014-2013 1.10" 20 MOA T5014-2019 1.36" 20 MOA T5014-2023 1.50" 20 MOA T5014-2027 1.65" 20 MOA T5014-2033 1.89" 20 MOA ERATAC Gen 2 One-Piece Mount 34mm 0 MOA 28mm-1.10" High (WILL NOT FIT ATACR/BEAST and PMII SCOPES except 3-12) T5014-0011