BERETTA AL391 OPTIMA

The Beretta AL391 Teknys is a 12-gauge semi-automatic shotgun available in various models, most commonly featuring a 3-inch chamber, an Optima-Bore barrel system, and an Optima-Choke system. Key specifications often include a choice of barrel lengths (such as 26, 28, or 30 inches), a gas-operated system for recoil management, a crossbolt safety, and a choice of wood stocks, sometimes with an adjustable comb and/or rib for fine-tuning.
General specifications
Action: Semi-automatic
Gauge: 12 gauge
Chamber: 3-inch (2-3/4 inch compatible)
Barrel Length: Available in various lengths (e.g., 26, 28, 30, 32 inches)
Barrel Type: Optima-Bore, which is overbored for recoil reduction and improved pattern distribution
Choke System: Optima-Choke (screw-in, extended)
Recoil Reduction: Features a gas-operated system; some models may have additional recoil reduction systems
Features
Receiver: Often a nickel-plated alloy receiver with a satin or high-gloss finish, sometimes decorated
Stock: Wood stock, often with checkered patterns
Adjustability: Many models feature an adjustable comb, which can be customized using shims for drop and cast
Safety: Crossbolt safety
Sights: Typically a white bead front sight on a ventilated rib, with a mid-bead on some models
Weight: Around 7.8 to 8.9 pounds, depending on the model and barrel length