Manufacturer: GrovTec GTSW26
GT Swivel thaca M37, M87, and Deerslay
Specifications and Features:
Custom fore end swivel base screws into barrel lug on Ithaca 37's, Ithacagun 87's, Deerslayer, DSPS and M&P models with regular and extended magazines. Other 37's require drill and tap. Also includes 3/4" rear swivel stud and one pair GT Locking Swivels.