- 1). Attach the scope rings to the mounting bases with the supplied screws. The screws come up through the bottom of the bases.
- 2). Slide the rear mounting base onto the groves milled into the upper receiver. Place the retention piece into the right side to the mounting base and secure it with the supplied screw. Repeat the process for the front mounting base.
- 3). Remove the upper half of the scope rings and place your Leupold Mark 4 scope into the rings.
- 4). Position the scope so it provides you sufficient eye relief and the cross-hairs appear straight up and straight across when viewed through the scope. When the scope is positioned to your satisfaction, place the upper halves of the rings back on and tighten.
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