AERO PRECISION MICRO MINI 5.56 AR-15 PISTOL UPPER

This compact upper receiver is a killer option for those looking to create a highly concealable and maneuverable AR-15 pistol. The Micro Mini boasts a shortened design of 5.56 Compact AR Upper inches, making it ideal for close-quarters engagements. It features a standard diameter system and an M4 style rail system, allowing for easy attachment of o