"Torque value" is a concept dreamed up by the wannabe operator crowd. There is no such thing as "proper torque value" in regards to accuracy. Companies recommend a value for one reason... to keep the handle from falling off the gun. Before a rifle can be expected to perform properly it must be properly "bedded." This means that a qualified craftsman must modify the surface upon which the barreled action rests such that it transfers loading evenly from the madly vibrating barreled action assy to the "handle" or stock. Properly bedded rifles are immune to "action screw torque, in fact if your poi changes materially as you fiddle with the screws then this, in itself, is indication that your bedding is well and truly buggered.
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al