SN: 4AM03549. Modern production, .45 ACP with an 8.5″ threaded barrel. Bore is excellent. Desirable semi-auto tactical pistol with Magpul front & rear flip-up sights, picatinny optic rail, MLOK handguard, ambidextrous safety, matte black finish, and side-folding SB tactical brace. Brace shows light marks. Overall condition is near excellent.