Johnny Stewart Rob Roberts Gun Works 200113 T2 Triple Threat Mobil 20 Gauge 17-4 Ph S/S

The Johnny Stewart Rob Roberts Gun Works 200113 T2 Triple Threat Mobil choke tube is a premium 20-gauge shotgun choke built for hunters and shooters who demand durability and reliable pattern control. Machined from 17-4 PH stainless steel, this tube is engineered to withstand the rigors of field hunting and repeated shooting sessions while resisting corrosion and wear. Rob Roberts Gun Works brings serious gunsmithing credibility to this offering, and it's a solid choice if you're upgrading your 20-gauge barrel with a quality, serviceable choke.

17-4 PH stainless steel is a premium material choice for choke tubes—it's tough, corrosion-resistant, and holds its dimensions across temperature swings and barrel harmonics. Whether you're hunting upland birds, waterfowl, or running clay targets, a quality aftermarket choke tube lets you fine-tune your shot pattern and get the most predictable results from your gun.

This is a straightforward upgrade for shotgunners who want a no-nonsense choke tube that will last and perform. Pair it with your 20-gauge shotgun and dial in the pattern that works best for your load and distance.

Key Features

• 17-4 PH stainless steel construction for corrosion resistance and durability
• Designed for 20-gauge shotguns
• Manufactured by Rob Roberts Gun Works—a respected name in precision gunsmithing
• Reliable performance for hunting and shooting applications

Specifications

Frequently Asked Questions

What 20-gauge shotguns is this choke tube compatible with?

This choke tube is designed for 20-gauge shotguns. Confirm your shotgun accepts screw-in chokes before ordering; not all 20-gauge barrels are threaded for aftermarket tubes.

What's the advantage of 17-4 PH stainless steel for a choke tube?

17-4 PH is a premium stainless alloy that resists rust and corrosion, maintains dimensional stability under temperature changes, and handles repeated shooting stress without degradation. It's a durable, field-proven material for shotgun components.

Is this choke tube suitable for hunting?

Yes. This choke tube is engineered for hunting and field use, as well as clay shooting and range work. The stainless steel construction and Rob Roberts Gun Works reputation support reliable, repeatable performance in the field.