These Carlson Flush Mount replacement chokes are made from 17-4 heat treated stainless steel, these chokes are for Mossberg 835/935 Ulti-Mag shotguns. Steel, Lead, & Hevi-Shot may be used in all constrictions. These choke tubes are backed by Carlson’s Lifetime Warranty and Made in the USA. Features:Made in USA;Lifetime Warranty;Made from 17-4 heat treated stainless steel;Steel, Lead, and Hevi-Shot may be used through these chokes;Flush Mount
