12.5” 308 Pistol Upper

12” Handguard 

12.5” 4150 Nitride Barrel

Muzzle Brake

5/8x24 Thread

1:10 Twist 

Adjustable Gas Block 

BCG 

Dual Charging Handle 

*There is no industry standard for the AR10 platform. Not all brands work with each other. E3O uses a DPMS Gen 1 upper which is the most “common” pattern used. Please check with the manufacturer of your lower to see what pattern upper will work with it.