Rob Roberts RRaptor BIZ Long Range Waterfowl and Upland Bismuth Choke Extended Ported for All Thread Patterns

Precision-Tuned Long-Range Performance for Bismuth Waterfowl and Upland Hunting

The Rob Roberts RRaptor BIZ Long Range Bismuth Choke is engineered for hunters who demand exceptional pattern density, extended reach, and consistent performance when shooting bismuth ammunition. Designed by legendary shotgun performance specialist Rob Roberts, this extended, ported choke is optimized to maximize the unique ballistic advantages of bismuth shot for both waterfowl and upland hunting applications.

Compatible with all major shotgun thread patterns, the RRaptor BIZ choke delivers tight, uniform patterns while maintaining pellet integrity and energy at longer distances. The ported design helps reduce recoil and muzzle rise, providing enhanced control and faster follow-up shots in the field.

Key Features & Performance Advantages

• Purpose-built for bismuth shot in waterfowl and upland hunting

• Long-range performance with tight, consistent pattern density

• Extended ported design reduces felt recoil and muzzle jump

• Optimized internal geometry for bismuth pellet integrity and energy retention

• Produces uniform patterns with minimal flyers

• Precision CNC-machined for exact fit and repeatable performance

• Extended design allows quick installation and removal

• Compatible with all major shotgun thread patterns

Detailed Specifications

• Brand: Rob Roberts

• Model: RRaptor BIZ

• Choke Style: Waterfowl and Upland

• Range Classification: Long Range

• Design: Extended, Ported

• Compatibility: All major shotgun thread patterns

• Material: High-strength stainless steel

• Finish: Corrosion-resistant finish

• Ammunition Compatibility: Bismuth shot

• Intended Use: Long-Range Waterfowl and Upland Hunting

Performance Advantage

The RRaptor BIZ choke is precision-tuned to take full advantage of bismuth’s density and downrange energy, delivering tighter patterns and improved lethality at extended distances. Porting reduces recoil and muzzle rise, helping hunters stay on target for fast, confident follow-up shots.

Usage Instructions

Confirm your shotgun’s thread pattern compatibility before installation. Ensure the firearm is unloaded prior to installing the choke. Thread the choke securely by hand and check tightness periodically during use. Pattern your shotgun with your preferred bismuth loads to determine optimal performance. Clean and inspect regularly to maintain peak results.

Warranty Information

Backed by Rob Roberts’ manufacturer warranty against defects in materials and workmanship, ensuring long-term reliability and confidence in the field.

Upgrade for Bismuth-Optimized Performance

The Rob Roberts RRaptor BIZ Long Range Waterfowl and Upland Bismuth Choke delivers elite-level pattern control, extended range, and professional-grade reliability—making it the ideal choice for hunters who rely on bismuth ammunition and demand uncompromising performance.