Rob Roberts Gun Works BIZ Raptor Invector Plus 20 Gauge Choke Tube – 17-4 PH Stainless Steel

Maximize the performance of your bismuth loads with the Rob Roberts Gun Works BIZ Raptor Choke Tube, engineered specifically for Browning Invector Plus 20 Gauge shotguns. Bismuth shot has earned a strong reputation among waterfowl hunters and upland bird shooters for its density, pattern consistency, and steel-safe versatility — and the RRaptor BIZ choke is purpose-built to unlock its full potential.

Crafted from premium 17-4 PH U.S. Stainless Steel, this choke tube is a product of years of intensive research, product development, and manufacturing innovation using the most advanced technology available. The result is a precision-machined choke that delivers tight, consistent patterns and long-lasting durability season after season.

The BIZ Raptor is part of the acclaimed RRaptor Series from Rob Roberts Gun Works — a line trusted by hunters and competitive shooters who demand exceptional performance from every shell they fire.

**Important Note for Over/Under Shotguns:** The RRaptor choke design allows for installation in only one barrel of an over/under configuration. It cannot be installed in both barrels simultaneously due to dimensional constraints.

**Key Features:**
– Optimized specifically for bismuth shot
– Browning Invector Plus 20 Gauge compatible
– Premium 17-4 PH U.S. Stainless Steel construction
– Part of the industry-proven RRaptor Series
– Built for performance, reliability, and longevity

Whether you’re heading into the field or looking to tighten your patterns at the range, the Rob Roberts Gun Works BIZ Raptor choke tube is a smart investment in your shotgun’s performance. Order online at Deep Roots Rifle Co for fast shipping, or stop by our local gun store in Eustis, Florida, where our knowledgeable staff is ready to help you find the right choke for your setup.