Panzer Arms M4 Speed Pro Features The Panzer Arms M4 Speed Pro runs on an ARGO piston-driven gas system which keeps combustion byproducts out of the receiver and reduces the fouling that can affect direct impingement shotguns over time. The 18.5 inch ported barrel helps manage muzzle rise during rapid fire keeping the sights on target for faster follow-up shots. This combination of a piston system and a ported barrel is aimed at shooters who value both reliability and controllability in a fast-cycling 12 gauge platform. The semi-automatic action is built to keep pace with rapid strings of fire without excessive maintenance. Finished in a distinctive Nickel coating the M4 Speed Pro stands out from the typical black tactical shotgun while still offering a durable wear-resistant surface. Its metal handguard provides a rigid mounting surface for accessories and the fixed skeleton stock keeps overall weight down for faster handling and transitions between targets. This lightweight design philosophy makes the shotgun easier to maneuver in tight spaces compared to bulkier tactical shotguns. Built for shooters who want a fast reliable 12 gauge with a unique finish the M4 Speed Pro is a capable choice for defensive and recreational shooting alike. Panzer Arms M4 Speed Pro Specifications Brand: Panzer Arms Model: M4 Speed Pro Type: Semi-Auto Shotgun Gauge: 12 GA Barrel Length: 18.5 Barrel Description: Ported Finish: Nickel Operating System: ARGO Gas Piston Stock: Fixed Skeleton Handguard: Metal Available At: GrabAGun