Can you fire a slug from a shotgun with a modified choke? - Quora
Ballistic Machinist - This is a Remington 870 barrel with a built in improved cylinder choke. It has a muzzle diameter of .715 and was made in the early 70's. It has
What is a way to tell what choke my shotgun is? - Quora
How to Shoot Shotgun Slugs Accurately | NRA Family
Update]What choke for slugs? - Outdoor Discovery
Choke Tubes for Home Defense Shotguns - Lucky Gunner Lounge
Choke Tubes: A Beginner's Guide
A Look into Shotgun Chokes — Butter-nut Sport Shop
Shotgun chokes: what they're for and how to use them
Shotgun Choke Tubes - Hiking, Camping and Shooting
Buckshot vs Slug: Shotgun Caliber Comparison by Ammo.com