Description
Smith & Wesson M&P12 Bullpup 12 Gauge Shotgun
The Smith & Wesson M&P12 is a distinctive bullpup pump-action shotgun designed to combine substantial ammunition capacity with compact overall dimensions. By positioning the action and dual magazine tubes behind the trigger, Smith & Wesson created a 12-gauge platform with a 19-inch barrel while maintaining a considerably shorter overall profile than many conventional shotguns.
The M&P12 features two independent 7-round magazine tubes, ambidextrous controls, M-LOK accessory slots and a full-length Picatinny top rail, creating a highly configurable shotgun for range, sporting and defensive applications.
Bullpup Shotgun Design
The Smith & Wesson M&P12 uses a bullpup configuration that places much of the firearm’s action behind the trigger assembly.
This layout allows the shotgun to retain a full 19-inch barrel while significantly reducing overall length compared with traditional shotgun designs, creating a compact and maneuverable platform.
19-Inch 12 Gauge Barrel
The M&P12 is chambered in 12 gauge and features a 19-inch barrel designed to accommodate a broad selection of compatible shotshell ammunition.
The barrel length provides the performance expected from a full-size shotgun while the bullpup architecture keeps the overall package compact.
Dual 7-Round Magazine Tubes
One of the defining features of the Smith & Wesson M&P12 is its dual magazine tube system. Each tube can hold up to seven compatible 2.75-inch shells, providing substantial onboard ammunition capacity.
A selector allows the shooter to choose which magazine tube feeds the action, creating additional flexibility compared with a traditional single-tube pump-action shotgun.
14+1 Maximum Capacity
With both magazine tubes fully loaded with compatible 2.75-inch shells, the M&P12 provides a maximum potential capacity of 14 rounds in the magazine tubes plus one in the chamber.
Actual capacity can vary depending on shotshell length, making shell selection an important consideration when determining total capacity.
Ambidextrous Controls
The Smith & Wesson M&P12 incorporates ambidextrous controls designed to provide convenient operation for both right- and left-handed shooters.
This layout complements the unconventional bullpup architecture and contributes to a versatile user interface.
Full-Length Picatinny Top Rail
A full-length Picatinny rail runs along the top of the shotgun, providing substantial mounting space for compatible sights and optics.
The rail allows the M&P12 to be configured around different sighting preferences while maintaining a continuous mounting surface across the top of the firearm.
M-LOK Accessory Slots
The M&P12 incorporates M-LOK accessory slots for mounting compatible accessories while maintaining the shotgun’s streamlined bullpup profile.
The standardized mounting interface expands the platform’s versatility without requiring a bulky full-length accessory rail system.
Ergonomic Pump-Action System
The Smith & Wesson M&P12 uses a manually operated pump-action system designed around the shotgun’s compact bullpup architecture.
The fore-end provides a substantial gripping surface for cycling the action while contributing to positive handling of the compact 12-gauge platform.
Compact High-Capacity 12 Gauge Platform
The Smith & Wesson M&P12 stands apart from conventional pump-action shotguns by combining a 19-inch barrel with a compact bullpup configuration and dual magazine tubes.
For shooters searching for a bullpup 12-gauge shotgun with substantial onboard capacity, ambidextrous controls and modern accessory mounting capability, the M&P12 provides one of Smith & Wesson’s most distinctive long-gun designs.
Smith & Wesson M&P12 Features
- Manufacturer: Smith & Wesson
- Model: M&P12
- Gauge: 12 Gauge
- Action: Pump action
- Configuration: Bullpup
- Barrel Length: 19 inches
- Magazine System: Dual selectable magazine tubes
- Magazine Capacity: 7 rounds per tube with compatible 2.75-inch shells
- Maximum Capacity: 14+1 rounds with compatible 2.75-inch shells
- Top Rail: Full-length Picatinny
- Accessory Mounting: M-LOK
- Controls: Ambidextrous
- Color: Black
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