Cant remember if this was del-ton or DSA. Bought it couple years ago and put back as spare. Not chrome lined. Has M4 receiver cuts, has the T markings on the rail slots. Carry handle is U.S. with forge marks, not imported. Handguards are oval M4 and double heat shielded 1/9 twist. $800 shipped with one NIB mag. Also have bunch of new ASC & Okay mil mags, all are NIW or NIB. SOLD Elsewhere.