PISTOL: AERO PRECISION MODEL M4E1 PISTOL IMPORTED BY NA, SERIAL NUMBER M4-0369540, SEMI - AUTOMATIC, 300 BLACKOUT, BLACK (MATTE), CASE NOT INCLUDED, 8" Notes: Preowned Custom Aero Precision M4E1 chambered in 300 blackout. This would make a great pistol for range days or one to keep for defensive purposes. It features an 8" barrel, a multi position pistol brace, one 30 round mag and an A2 birdcage muzzle break. This pistol is in good condition, it does show signs of wear on the barrel guard most likely from attachments, the gun still functions very smooth. They say a picture is worth a thousand words. These photos are the best statement of condition; please review them carefully before purchasing.