CARLSON’SSTEVENS 555 EXTENDED TURKEY CHOKE TUBE•Gauge: 12•Diameter: .665•Produces the most consistent & optimum turkey load pattern for the Stevens 555 shotgun •Matte blued finish •Made from 17-4 heat treated stainless steel to withstand heavy buffered turkey shotshells •Produces extra tight dense patterns with copper plated & buffered lead turkey shotshells •Choke tube extends approximately 1" from the end of the barrel •Backed by Carlson’s Lifetime Warranty •Made in the USA •NOTE: Do NOT use with steel shot