New Never Fired ANDERSON M-15 S Upper 

With Bolt Carrier Group and Charging Handle

This upper operates on a carbine-length gas system with an Anderson Steel Low-Profile Gas Block.

This upper is fitted with a 16'' Anderson M4 Profile Barrel, chambered in 5.56, with a 1:8 twist.

The 16'' Anderson Barrel is threaded and has an Anderson Knight Stalker Flash Hider installed.

This upper has a 15'' Anderson MLOK Handguard installed, allowing you to customize the front end.