Aero Precision AR-10, M5E1. Two different upper receivers. One is a .308 18" barrel and the other 6.5 Creedmoor with a 24" barrel. Both stainless steel barrels with Lambda VG6 muzzle brakes. Magpul PRS Lite stock. Rise Armament RA-434 single stage trigger. Included are 10 twenty round magpul Pmags and 2 ten round Pmag magizines.