PSA lower, number 1400 of 2000 made. Special edition Trump model. Upper is entirely Anderson, with a heavy barrel. Lower has anti walk trigger pins. Rear sight is surplus Colt and makes nice tight clicks. Handguards are USGI surplus NOS, proper round shape and not fake oval ones. Magpul grip. Includes 3 mags. Basic, well built, solid shooting rifle. Any questions, please ask. $600 plus shipping from 85364.