Specifications - Gauge: 12 - Description: AimGuard Black - Barrel Length: 18 - Overall Length: 38 - Length of Pull: 14 - Weight: 6.25 lbs. - Choke: Cyl Bore. Escort AimGuard and MarineGuard Home Defense shotguns are the long-standing workhorses of the Escort Home Defense line. These shotguns feature a rifle-style front sight on an 18 inch cylinder bore barrel. The AimGuard comes with a black synthetic stock and matte black metal finish while the MarineGuard is offered in water resistant nickel finish and black synthetic stock. These pumps both have short stroke actions for quick repeat shots over a 5 round tube magazine and have large easy to find slide releases ahead of their trigger guard. Their short barrels make them ideal for tight spots and easy handling. Both come in 12 gauge only. Both the AimGuard and MarineGuard come with sling swivel studs and a dovetailed receiver for mounting accessory sights.