Adamson G-40 12Ga Pgrip 18.5 Blk Pump Sg

The Adamson G-40 is a pump-action 12-gauge shotgun built for straightforward, reliable performance in the field or at the range. With an 18.5-inch barrel and pistol-grip stock, it's a compact, maneuverable choice for home defense, hunting in tight cover, or tactical applications where quick target acquisition matters. The manual safety and ghost-ring front sight keep you in control, while the Picatinny rail system lets you mount lights, lasers, or optics to suit your mission.

This shotgun feeds a 5+1 capacity—five rounds in the magazine tube plus one in the chamber—and handles 3-inch magnum loads thanks to its 3-inch chamber. The fixed cylinder choke is open enough for buckshot and slugs across a range of distances without sacrificing pattern density. A rubber buttplate tames recoil impulse, and the forend is fitted with Picatinny real estate so you can add tactical accessories without custom gunsmithing.

If you're shopping for a no-frills, versatile pump gun that won't break the bank, the G-40 delivers solid mechanics in a form factor that works from the truck to the range to wherever the day takes you. It's the kind of shotgun that earns its keep through honest engineering rather than fancy features.

Key Features

• 12-gauge pump action with 3-inch chamber capacity
• 18.5-inch barrel—short and handy for indoor and close-quarters scenarios
• Pistol-grip stock for one-handed control and faster transitions
• Ghost-ring front sight for low-light target acquisition
• Picatinny rail on forend for lights, lasers, and optics
• Fixed cylinder choke suitable for buckshot and slug loads
• 5+1 magazine capacity (five in tube, one chambered)
• Rubber buttplate for comfortable, controlled recoil
• Manual safety

Specifications

Frequently Asked Questions

What ammunition does the Adamson G-40 accept?

The G-40 is chambered in 12 gauge and will safely fire any standard 12-gauge ammunition up to 3-inch magnum loads. The fixed cylinder choke works well with both buckshot and slugs.

Can I mount a light or laser on this shotgun?

Yes. The forend features a full Picatinny rail, which gives you plenty of mounting real estate for tactical lights, lasers, or other accessories.

Is the pistol grip comfortable for extended shooting?

The pistol grip is designed for quick target transitions and one-handed manipulation. The rubber buttplate helps manage recoil, though 12-gauge recoil is always a factor—consider your comfort level and practice accordingly.

How many rounds does it hold?

The magazine tube holds five shells, plus one round can be chambered, giving you a total capacity of 5+1.