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 Features:

• 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

• STONER Bolt Carrier Group: M16 Cut, 8620 Steel, Phosphate Finish, Properly Staked 

Lower Features:

• M5-E1 AERO PRECISION LOWER 

• Lower Parts Kit: Standard .308 Lower Parts Kit

• Buffer Kit: ARMASPEC SILENT RECOIL BUFFER SYSTEM! MAKES A HUGE DIFFERENCE IN PERFORMANCE. 

• Stock: Ops Ready S3 6 Position Stock

• Trigger: NICKEL BORON 2 STAGE TRIGGER.