Number one is a weaver type steel rail by Millet for Long action Rem 700 no receiver screws 15 posted
Number Two are 30mm steel rings (15.8mm from base of mount to start of ring) and bases might be Redfield for Short action Rem 700 no receiver screws 20 posted
Number three are 25mm STD Leopold rings (10mm from base to start of ring) and bases again no receiver screws but can be got on line 25 posted
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