Rob Roberts Gunworks RRaptor BIZ Medium Range Waterfowl Bismuth Choke Extended Non-Ported

Upgrade your shotgun’s performance with the Rob Roberts Gunworks RRaptor BIZ Medium Range Waterfowl Bismuth Choke. Specifically engineered for bismuth shot, this choke tube delivers tighter, more consistent patterns at medium ranges—making it an ideal choice for serious waterfowl hunters. Built from premium stainless steel and designed with precision internal geometry, the RRaptor BIZ ensures maximum efficiency and reliable shot placement without the need for ports.

Key Features

• Bismuth-Specific Design – Optimized for bismuth shot, ensuring superior pellet performance and consistent downrange energy.

• Medium Range Accuracy – Ideal for common waterfowl engagement distances, giving hunters reliable performance where it counts.

• Extended Non-Ported Profile – Easy to install and remove while maintaining smooth handling and uniform patterns.

• Premium Stainless Steel Construction – Machined from high-grade 17-4 PH stainless steel for strength, durability, and longevity.

• Precision Pattern Control – Engineered internal geometry reduces flyers and delivers even, effective shot patterns.

• Versatile Waterfowl Application – Perfect for ducks, geese, and mixed waterfowl hunts using bismuth ammunition.

Specifications

• Brand: Rob Roberts Gunworks

• Model: RRaptor BIZ

• Gauge Compatibility: 12 Gauge (also available in other gauges – confirm thread type before purchase)

• Constriction: Medium Range (optimized for bismuth shot performance)

• Porting: Non-Ported

• Extension: Extended choke tube

• Material: 17-4 PH stainless steel

• Finish: Precision-machined with durable exterior coating

• Usage: Waterfowl hunting with bismuth shot loads

Benefits

• Improves accuracy and shot consistency for bismuth ammunition.

• Designed for hunters who demand dependable medium-range performance.

• Non-ported design maintains consistent point of impact and smoother recoil feel.

• Built to withstand harsh hunting conditions with long-lasting durability.

• Extended style provides quick changes in the field and excellent handling.

Usage Instructions

1. Ensure your firearm is unloaded before installing.

2. Match the choke to your shotgun’s thread pattern (verify before ordering).

3. Hand-tighten securely into the barrel; do not overtighten.

4. Pattern test with your preferred bismuth loads to confirm performance.

Warranty

Rob Roberts Gunworks stands behind their products with high-quality craftsmanship and customer-focused service. Contact manufacturer for details on support and warranty coverage.