Copper Johnâ™s flagship sight is the Mark III it was engineered to be cowboy tough, surgically precise, and feature rich. From the all metal construction to the high definition offered by our proprietary MicroDOTTM technology, we know you will be impressed by this feature rich hardware. Fiber Size .019 MicroDOTTM Yes Pin Count 5 IronCladTM Fibers Yes Pin Guard OD/ID 2.29" x 1.8" Elevation range of movement 3.10â• Windage range of movement 1.45â• Weight(with no options) 6.5 oz Light Included Frame Construction Aluminum Pin guard Construction Aluminum Bubble Level Yes Finish Black Micro adjustable Optional 3rd axis adjustment Yes 2nd axis adjustment Optional RH/LH Convertible Yes Lens adaptable Yes Dovetail extension Optional