TRUGLO TAC POD Adjustable Bipod, Fixed, Adaptor, Fits Sling Swivel Stud or Picatinny Rail, 6-9, Black TG-TG8901S The TruGlo Tac Pod Adjustable Bipod has a modular mounting system that allows it to be attached to either a standard sling swivel stud or to a picatinny rail. It is lightweight and compact with quick deployment" spring assisted legs. Adjusts from 6"-9" tall.