This 55-inch #818 model hard case is has pre-cut foam ready for your AR-15 or AR-10, Shotgun, and Pistol. It can accommodate a wide range of optics, under or over-barrel attachments like flashlights and lasers. Great for going to the range and for storing your weapons. AR-15/10 max overall rifle length of 41.7" and max optics 3.75" tall. Shotgun max length 49" with 2.6" tall optics.