The Panzer Arms M4 Speed Pro in 12 gauge (brand part no. PAM4CSDGMFSS) is a semi-automatic shotgun built around a ported 18.5-inch barrel, using an ARGO piston-driven action for reliable cycling with a wide range of loads. Panzer Arms finishes the M4 Speed Pro in Disruptive Grey Cerakote and builds it with a fixed skeleton stock and an M-LOK metal handguard. Among semi-auto shotguns in the semi-auto shotguns category, the M4 Speed Pro favors shooters who want a tactical AR-style shotgun with a piston action and full accessory-mounting real estate.

Key Specifications

• Chambered in 12 gauge with a 3-inch chamber.
• Features a ported 18.5-inch barrel for reduced muzzle rise.
• Feeds from a magazine with a 5-round capacity.
• Uses an ARGO piston-driven action.
• Runs a lightened bolt for faster cycling and follow-up shots.
• Built with a fixed skeleton stock.
• Equipped with an M-LOK metal handguard.
• Finished in Disruptive Grey Cerakote.
• Operates as a semi-automatic shotgun.

Frequently Asked Questions

What action does this shotgun use? An ARGO piston-driven system built to cycle reliably across a wide range of shell loads.

Can accessories be mounted to the handguard? Yes, the M-LOK metal handguard accepts M-LOK accessories directly.

Buy the Panzer Arms M4 Speed Pro 12 Gauge

A tactical AR-style shotgun with a piston action and full accessory real estate is exactly what the M4 Speed Pro delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.