Franklin Armory 10048-BLK: This fantastic rifle from Franklin Armory is genuinely one of a kind. This new for 2020 M4 rifle features American made components and is manufactured to the strict quality control measures Franklin Armory is known for. This M4 starts life as a standard FAI-15 lower receiver, which includes, yes, you guessed it, the BFSIII Binary Trigger System pre-installed and tested from the factory! 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 FST rail is included as well and is ready to mount any accessories of your choosing. Rifle ships complete with (1) 30rd magazine. Please see extended description for complete details.