The Aero Precision M5E1 Complete Rifle with 20" .308 Stainless Barrel is built on our popular Enhanced Series Upper Receiver. This system features a custom integrated upper receiver and handguard system that provides the shooter a light-weight, free-floated, rigid design resulting in superior performance and accuracy.
STONER BILLET UPPER RECEIVER TOPPED OFF WITH MIDWEST INDUSTRIES MUZZLE BRAKE
Upper: M5E1 Billet Enhanced Upper Receiver
Barrel: GREEN MOUNTAIN Stainless Steel 20" 416R SS Straight Fluted SOCOM Barrel Barrel, Mid-Length Gas System, 1:10 Twist.
Handguard: 15 inch Gen 2 Enhanced Series Handguard
Gas System: Low Profile Gas Block and Mid-Length Gas Tube