Rob Roberts Gun Works Biz Raptor Invector Plus Choke Tube, 20 Gauge

The Rob Roberts Gun Works Biz Raptor Invector Plus choke tube in 20 Gauge (brand part number 200303) is machined from 17-4 PH U.S. stainless steel and built for bismuth-load patterns. Tuned to perform with bismuth shot, a popular shot material in the industry.

Key Specifications

• Fits 20 Gauge shotguns.
• Threaded for the Invector Plus choke system.
• The Biz constriction is tuned for bismuth-load patterns.
• Tuned to perform with bismuth shot, a popular shot material in the industry.
• Machined from 17-4 PH U.S. stainless steel for durability.
• Built from Rob Roberts Gun Works’ years of choke tube development and pattern testing.
• On over/under shotguns, only one barrel can run a RRaptor choke – the design isn’t made for both barrels.

Frequently Asked Questions

What range is this choke built for?
It’s tuned to perform with bismuth shot loads.

What is it made of?
Each tube is machined from 17-4 PH U.S. stainless steel.

Can I run this choke in both barrels of an over/under shotgun?
No – the RRaptor design only allows one barrel to run the choke, not both.

Buy the Rob Roberts Gun Works Biz Raptor Invector Plus Choke Tube, 20 Gauge

Match your choke to the range you actually shoot. Ships fast from a Lubbock, TX gun shop, part of our choke tube lineup in our shotgun chokes selection.