Model 1 Model 2 Model 3 Model 4 Item: Low XASR- 3001| Medium XASR-3002 | High XASR-3003 Diameter: 30mm Finish: Black matte Material: 6061-T6 Mount: 1913 Picatinny Unique construction provides strength well with steel cross-bolt Six Torx screws per ring will hold your scope under any conceivable situations Perfect alignment and superior accuracy Height (from bottom to ring center): Low 25.4mm - 1" | Medium 32mm - 1.25" | High 35mm 1.4" Weight (net): Low 135g / 4.8oz| Medium 155g / 5.5oz | High 165g / 5.8oz Do not use over 18" of torque on the scope rings' screws Suggest 25" (can accept max 45") torque force for big nut when installing the mount on the Picatinny rail Fittings include: Hex key Item: Low SCTM-27 | Medium SCTM-22 | High SCTM-08 Diameter: 30mm Finish: Black matte Material: 6061-T6 aluminum alloy Easy and quick installation Fit on 21mm picatinny and weaver rail Height (from base to ring center):Low 21.5mm 0.8" | Medium 25.4mm 1.0" | High 31mm 1.2" Weight: Low 105g (3.7oz) | Medium 120g (4.2oz) | High 125g (4.4oz) Fittings include: Hex Key Item: Low SCTM-33 | Medium SCTM-34 | High SCTM-3 Finish: Black matte Diameter: 30mm Material: 6061-T6 Mount:1913 Picatinny Unique construction provides strength well with steel cross-bolt Six Torx screws per ring will hold your scope under any conceivable situations Perfec Alignment and Superior Accuracy Clamps in black matte and dark grey anodizing finish Height (bottom to center): Low 25.4mm / 1" | Medium 31.75mm / 1.25" | High 38mm / 1.5" Weight (net): Low 130g / 4.5oz | Medium 143g / 5.0oz | High 155g / 5.5oz Fittings include: Hex Key Item: SCOT-54 Weight (net): Medium 52g (1.8oz) | High 60g (2.1oz) Diameter: 30mm For 21mm Picatinny rail or weaver rail For 30mm rifle scope, flashlight or laser sight High-durability aluminum alloy in black matte Height (from bottom to ring center): Medium 28mm (1.1") | High 36.5mm (1.44") Fittings include: Hex Key
