Franklin Armory 00-10052-BLK: This fantastic rifle from Franklin Armory is genuinely one of a kind. This new for 2022 M4 rifle features American-made components and is manufactured to the strict quality control measures Franklin Armory is known for. This M4 starts life with a FAI-15 lower receiver. The upper receiver is constructed of 7075 T-6 aluminum and features a 16\" 1:7 twist LTW Contour barrel that is incredibly accurate. A 15\" M-LOK FSR rail is included as well and is ready to mount any accessories of your choosing. Rifle ships complete with (1) 30rd magazine.