Johnny Stewart Rob Roberts Gun Works 200133 T1 Triple Threat Invector 12 Ga 17-4 Ph S/S

The Johnny Stewart Rob Roberts Gun Works T1 Triple Threat Invector choke tube for 12-gauge shotguns gives you a durable, precision-engineered option for shooters who demand reliable performance in the field. Built from 17-4 PH stainless steel, this choke tube resists corrosion and handles repeated use without degradation — a real advantage if you're running your shotgun hard in wet conditions or over multiple seasons. The Invector compatibility means it drops right into any shotgun designed for Invector chokes, making it a straightforward upgrade or replacement if you're building out a choke tube collection.

17-4 PH stainless steel is a popular choice in precision firearm components because it offers the hardness needed for proper fit and function, plus the rust resistance that keeps your tube looking and performing like new. Whether you're hunting waterfowl, upland game, or hitting clay targets, having a quality choke tube that doesn't corrode or wobble in the forcing cone pays dividends in consistency and longevity.

Rob Roberts Gun Works has earned respect in shotgun circles for attention to detail, and this T1 Triple Threat reflects that heritage. It's the kind of component that works quietly behind the scenes—you don't think about it until you realize you've been running it hard and it's still tight, still reliable, still there.

Key Features

• 17-4 PH stainless steel construction for corrosion resistance and durability
• Invector compatible — fits any shotgun designed for Invector chokes
• 12-gauge only
• Precision engineering from Rob Roberts Gun Works

Specifications

Frequently Asked Questions

Will this choke tube fit my shotgun?

The Johnny Stewart Rob Roberts T1 Triple Threat is designed for shotguns with Invector choke compatibility. If your 12-gauge shotgun accepts Invector chokes, this tube will fit. Check your shotgun's manual or contact the manufacturer if you're unsure which choke system your gun uses.

Why choose stainless steel for a choke tube?

17-4 PH stainless steel resists rust and corrosion, which matters if you're hunting in wet conditions or storing your shotgun in a vehicle or coastal environment. It also maintains dimensional stability and a tight fit over repeated use, so you get consistent performance season after season.

Is this tube easy to install?

Invector chokes are designed to screw in and out of your shotgun's forcing cone by hand. No special tools are required for installation or removal, making it simple to swap tubes depending on your hunting or shooting situation.