Replacement ISMS front top cover for use with Laser Range Finders, etc. For 34 mm tube diameters and up to 56 mm lenses.

Length: 105 mm/4.13″
Height: 39 mm/1.53″ (from optical axis to top of rail)
Rail Length: 75 mm/2.95″
Weight: 73 g/2.6 oz

Note: Will not fit S&B Ultra Short scopes, or scopes with similarly shaped objective bells