Johnny Stewart Rob Roberts Gun Works 200298 Biz Raptor Invector Plus 12 Gauge 17-4 Ph S/S

The Johnny Stewart Rob Roberts Gun Works Biz Raptor Invector Plus 12 gauge choke tube is a precision aftermarket choke built for shooters who demand reliable, tight patterns and long-term durability. Machined from 17-4 PH stainless steel, this tube threads into Benelli Invector Plus systems and stands up to the corrosion and wear that come with serious field use—whether you're hunting waterfowl in salt spray, running clays courses, or pushing your shotgun hard in variable conditions. Stainless construction means you get consistent performance season after season without the maintenance hassles of blued or bare steel chokes.

Rob Roberts Gun Works has built a reputation for quality aftermarket shotgun components, and this Biz Raptor is engineered for shooters who won't compromise on fit or finish. The 17-4 PH stainless steel is harder and more corrosion-resistant than standard materials, making it a smart upgrade if you're in wet or coastal environments. It's a straightforward swap into your existing Invector Plus-compatible shotgun—no gunsmithing required.

If you're running a Benelli or other shotgun with the Invector Plus system and you want a choke that'll outlast factory tubes without breaking the bank, this is solid choice. Grab one for your primary bird gun or keep a couple in your range bag for testing different constriction patterns across loads.

Key Features

• 17-4 PH stainless steel construction for superior corrosion resistance
• Designed for Benelli Invector Plus shotgun systems
• Precision machined for reliable fit and consistent patterns
• Durable finish handles heavy use and harsh field conditions

Specifications

Frequently Asked Questions

What shotguns does this choke tube fit?

The Biz Raptor is designed for Benelli shotguns and other firearms with Invector Plus threaded choke systems. Confirm your shotgun uses Invector Plus threads before ordering.

Why is stainless steel better for a choke tube?

17-4 PH stainless steel resists rust and corrosion far better than blued or bare steel, which means less maintenance and longer tube life—especially important if you hunt in wet, humid, or salt-water environments.

Can I swap this choke with factory tubes?

Yes. If your shotgun came with Invector Plus chokes, you can unscrew those and thread this one in directly. No gunsmithing or special tools needed.