Johnny Stewart Rob Roberts Gun Works 200143 T3 Triple Threat Invector-Ds 12 Ga 17-4 Ph S/S

The Johnny Stewart Rob Roberts Gun Works T3 Triple Threat Invector-DS choke tube is a premium 12-gauge choke engineered for shooters who demand versatility and durability in the field. Built from 17-4 PH stainless steel, this tube handles the demands of serious hunting, clay shooting, and high-volume range use without corrosion or wear. The Invector-DS threading makes it a direct fit for any Browning A5, Maxus, or other modern Browning shotgun equipped with that choke system.

Rob Roberts Gun Works brings decades of gunsmithing expertise to choke tube design. The T3 Triple Threat moniker signals this is a three-in-one performer—the 17-4 PH stainless construction resists pitting and degradation from water, sweat, and harsh conditions, while the precision threading and seat ensure a rock-solid connection to your shotgun. Unlike basic factory tubes, this is a hand-finished piece built to tighter tolerances.

Whether you're patterning loads at the range, hunting waterfowl in wet conditions, or running clay courses, the T3 Triple Threat delivers the reliability and longevity serious shooters expect. The stainless steel body shrugs off the corrosion that corrodes standard steel tubes, keeping your shotgun running clean year after year.

Key Features

• Invector-DS threading for Browning shotgun compatibility
• 17-4 PH stainless steel construction resists corrosion and wear
• Hand-finished precision engineering by Rob Roberts Gun Works
• Versatile performance for hunting, clay, and range shooting

Specifications

Frequently Asked Questions

What shotguns does the Invector-DS choke fit?

The Invector-DS threading is designed for Browning A5, Maxus, and other modern Browning shotgun models equipped with the Invector-DS choke system. Verify your shotgun's choke system before ordering.

Why is 17-4 PH stainless steel better than standard tube material?

17-4 PH stainless steel is highly resistant to corrosion, rust, and pitting from moisture and field use. It maintains its finish and fit over years of shooting, whereas standard steel tubes can degrade in wet conditions or with repeated cleaning and handling.

Is this choke tube hand-finished?

Yes. Rob Roberts Gun Works hand-finishes these tubes to tighter tolerances than standard factory chokes, ensuring a precise fit and reliable performance.