PSA 10.5in barrel 1/7 twist with Ohunt mk18 handguard clone.Chambered in 5.56. Ambi charging handle and toolcraft bcg. About 300 rounds through it. Comes with the tacticon red dot. Barrel had a FSB but has since been removed for the handguard and low profile gas block. Asking $650 ....if intrested text me at 915-3four8-7nine4nine