These Carlson flush mount choke tubes are constructed from 17-4 stainless steel and hardened. Lead shot can be used in all constrictions however Steel shot larger than #BB should not be used in any choke tighter than Full (.590" diameter).

Specifications and Features:
Carlson's choke tube 10202
20 Gauge shotguns
Flush mount choke tube
Improved Cylinder constriction
.610" Diameter
Stainless steel

Fits:
Remington "Rem" Choke
Note: Not compatible with Remington ProBore or Remington Spartan choke systems