The Johnny Stewart Rob Roberts Gun Works 200290 Biz Raptor Invector 20 Gauge 17-4 PH Stainless Steel choke tube is purpose-built for shooters running bismuth shot in Invector-threaded 20 gauge shotguns. Precision-machined from 17-4 PH stainless steel, it delivers consistent patterns and dependable performance as part of the proven Raptor Series.

Optimized for bismuth loads, this Biz Raptor choke is ideal for hunters and dedicated range shooters who demand predictable shot placement and durable construction. Its design is intended for single-barrel use on over-under shotguns, ensuring proper fit and function. Backed by Johnny Stewart’s focus on innovation and long-term product development, this choke tube reflects careful engineering and reliable craftsmanship.

Key Features:

• Manufacturer: Johnny Stewart
• Model: Rob Roberts Gun Works 200290 Biz Raptor Invector
• Gauge: 20 Gauge
• Material: 17-4 PH Stainless Steel
• Series: Raptor
• Product Type: Shotgun Choke Tube
• Choke Configuration: Invector
• Optimized For: Bismuth Shot Shells