With several new models released by ERA-TAC in 2017, Short-Version One-Piece Mounts are suitable for use with any bolt action or AR10-type rifle. Fully-machined from solid, high-grade aluminumAll parts are Mil-spec, Type-III anodized (black), rendering them corrosion-proofAvailable for 30-, 34-, and 36-mm scope tubesMPN series T10xx secure with safety leversMPN series T20xx secure with nutsAll versions available in 0- and 20-MOA inclination. Locking Levers Securing Method0 MOA Inclination36mm Ring Diameter1.240" / 31.5 mm Height to Bottom of Ring1.870" / 47.5 mm Height to Centerline3.000" / 75 mm Length Inside of Rings4.921" / 125 mm Length to Outside of Rings4.921" / 125 mm Overall Mount Length3.937" / 100 mm Length Between Nuts/LeversAvailable ERA-TAC 36mm One Piece Mounts - With NutMPNCenterline HeightInclinationT2016-20211.48"20 MOAT2016-00201.50"0 MOAT2016-20311.87"20 MOAT2016-00301.89"0 MOAAvailable ERA-TAC 36mm One Piece Mounts - With LeverMPNCenterline HeightInclinationT1016-20211.48"20 MOAT1016-00201.500 MOAT1016-20311.87"20 MOAT1016-00301.89"0 MOA ERATAC One-Piece Mount 36mm 20 MOA 31mm Levers T1016-2031