ATI Bulldog Bullpup 20 Gauge Semi-Auto 18.5in OD Green

Description

The American Tactical / ATI Bulldog is a compact bullpup semi-automatic shotgun chambered in 20 gauge with an 18.5-inch steel barrel. It accepts 3″ shells and ships with one 5-round magazine for a stated capacity of 5+1. The fixed bullpup synthetic stock in OD Green includes an adjustable cheek rest and an AR-style charging handle for familiar manual operation. Picatinny and M-LOK rails, removable open sights and a three-piece choke tube set provide modularity for a variety of close-quarters and utility applications.

Key Specifications

• The action is Semi-Auto.
• The gauge is 20 Gauge.
• The barrel measures 18.5 inches and is steel.
• The maximum chamber size is 3″.
• The stated capacity is 5+1 and it includes one 5-round magazine.
• Included accessories are three choke tubes.
• The stock is a fixed bullpup synthetic design in OD Green with an adjustable cheek rest.
• The overall length is 39 inches.
• Features include Picatinny and M-LOK rails and an AR-style charging handle.
• The sights are adjustable open and the finish is matte black.

Purpose-built for compact handling and modular use, the Bulldog combines bullpup ergonomics with a set of practical features — adjustable sights, multiple choke options, and accessory-ready rails — to deliver a versatile platform for close-quarters and utility roles. Its synthetic stock and straightforward controls make it a practical choice for owners who prioritize compact footprint and functional adaptability.

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