Port City Armory LLC AR-15 Mag .223 REM/5.56 NATO - 223 Remington/5.56 NATO Caliber, 30 Rounds, Aftermarket Origin, AR-15 Model

Port City Armory's FS-30 is a 30-round, standard capacity magazine for the AR-15. Features include constant-curve internal geometry, an anti-tilt and self-lubricating follower, a 17-7 stainless steel spring, and an easily-disassembled floorplate. Proprietary materials were chosen to impart durability, heat and chemical resistance, and smooth operation. The exterior features and texturing provide a non-slip grip. It easily seats on a closed bolt when loaded with 30 rounds, smooth feeding of all types of ammunition, and retention of rounds when impacted. Designed, manufactured, and assembled in Louisiana.