Zenitco A-1 Sling Mount Picatinny "Swivel"
Zenitco B-9 “Goose” Picatinny rail extender is milled made out of D16T aluminum alloy with a powder coating. Works on any rifle or shotgun that has Picatinny rail. When properly installed it allows user to add more accessories like flashlight or grip to short handguard Picatinny rail. Net weight 2.5 oz.