Are you looking for something with a little more kick than the .223? Well the Compass Lake Engineering 300 AAC Blackout upper might be what you’re needing.
It comes with a Douglas-SS barrel 1-8 twist match grade blank, complete bolt carrier and charging handle. Installed on mil-spec A4 receiver with pistol length gas system and our CLE M-Lok handguard.
The 300 Blackout barrel is 1″ behind the gas block, .750 at the gas block and .740 in front of the gas block. This upper comes standard with M4 feed ramps, a 5/8-24 threaded muzzle and a standard low pro gas block.
- Manufactured by: Compass Lake Engineering