AERO M4E1 ASSEMBLED UPPER KODIAK BRN Color:Kodiak Brown and AR15 M-Lok handguards even

and AR15 M-Lok handguards even without a laser

There’s also an exterior-mounted

They allow connection of a rifle sling (not included) via QD sling swivels

Barrel extension: M4‑style with extended hand‑polished feed ramps

AERO M4E1 ASSEMBLED UPPER KODIAK BRN Color:Kodiak Brown and AR15 M-Lok handguards evenThe M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075 T6 Aluminum, precision machined to work with all mil spec AR15 parts and includes the port door and forward assist pre installed. Features :