The Mossberg 590A1 M-LOK is a durable 12 Gauge pump-action shotgun built around MilSpec construction and a heavy-walled barrel. This configuration features an 18.5-inch barrel, 7-round capacity, Black Synthetic furniture, a metal trigger guard, an ambidextrous tang-mounted manual safety, and an M-LOK forend for compatible accessory mounting. Its 3-inch chamber supports a broad range of shotshell loads, while the bead sight provides a straightforward aiming reference.

Key features

• Pump-action design provides dependable manual cycling and straightforward operation
• Heavy-walled barrel and MilSpec construction support demanding service use
• M-LOK forend enables flexible mounting of compatible accessories
• 7-round capacity supports practical defensive and field applications
• 3-inch chamber accommodates a wide range of 12 Gauge shotshells
• Ambidextrous tang-mounted manual safety is accessible from either side of the shotgun

The Mossberg 590A1 M-LOK combines rugged construction with practical accessory compatibility for users seeking a dependable pump-action shotgun.