Not exactly sure when it was built, I was not the original purchaser, or the round count, but with my hand load of 50 gr. Nosler B-tip, cci400, 27.5 grains of cfe223 it still shoots in the high 2's. And at 3070 fps with a 16.5" barrel. Stainless cerakoted, talley mounts, threaded ½x28 but will...