I have the oppurtunity to by a preban stainless mini-14, but I'm new to mini's and don't know much about their pricing. Here's the description: Preban stainless, wood stock, flash suppressor, bayonet lug, harris bipod mount (no bipod though), sling, side mount scope base, a few each of 20 and 30 round mags and 1 five rounder. The rifle is in excellent shape and has had about 300 rounds through it. The friend wants $500.00 for it. Is this a fair price? Thanks for any advice. Todd.