Random orbital sanders give a random finish, not a criss/cross patterns which can show through the color coat. If you use to much pressure or too heavy a grit, even random orbital sanding strokes will show through the color coat. For a simple preparation and a basic color coat, sanding in straight lines is best.
If the OP was intending on a professional quality paint job, multiple sanding and priming sessions with increasingly softer grit papers would be called for. Maybe you can give him a deal on the DVD.
According to the National Shooting Sports Foundation, AR-15 sporting rifles account for nearly 20% of all U.S. firearms sales.
Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ......
Originally Posted by Ronald W. Reagan: Government is not the solution to our problems; Government is the problem.