This Sling swivel set is for H&R Nef Pardner® Pump Protector NP1-P18/1871 shotgun is quick detach style 1" lockable sling swivels and they mount directly to your H&R NEF shotgun sling stud and magazine cap with swivel stud. The universal designed Swivel will mount onto most standard sling studs and magazine cap with stud found on most Hunting Rifles and Shotguns.
