Panzer M4 Pro Speed Features The M4 Pro Speed uses the proven A.R.G.O. (Auto-Regulating Gas-Operated) system for fast consistent cycling under pressure. A match saver enlarged loading port and ambidextrous configuration make reloads and controls intuitive from either side. The enhanced knurled charging handle and bolt release button provide tactile engagement even with gloved hands boosting responsiveness in competition or defensive scenarios. Built with a fixed skeleton stock and aluminum M-LOK handguard the platform maintains rigidity while remaining lightweight. A 3-position buffer tube recoil assembly enhances control and absorbency during rapid fire. Additional features include a fluted lightened bolt QD mount integration and a precision-machined aluminum barrel clamp for optimal balance and accessory attachment. This tactical semi-auto shotgun is engineered for fast fluid operation in demanding conditions. Panzer M4 Pro Speed Specifications Manufacturer: Panzer Arms Model: M4 Pro Speed Action: Semi-Automatic (A.R.G.O.) Caliber: 12 Gauge Chamber: 3 Barrel Length: 18.5 Ported Capacity: 5+1 Color: Disruptive Grey Stock: Fixed Skeleton Handguard: Aluminum M-LOK Charging Handle: Enhanced Knurled Rotating Bolt: Machined Fluted Lightened Recoil System: 3-Position Buffer Tube Controls: Ambidextrous Loading Port: Enlarged Mounts: Integral QD Mount Rail: Aluminum Picatinny Barrel Clamp Accessories: Match Saver Choke Tube Set Manual