SN: 180-04445. Modern production, .300 BLK with a 9.5″ barrel. Bore is excellent. Semi-auto tactical carbine with a picatinny optic rail, Magpul front & rear flip-up sights, aftermarket single-stage drop-in trigger, MLOK handguard, matte black finish, and SB Tactical side-folding brace. Finish shows light marks. Overall condition is very good.