90630, THIS IS FOR THE STOCK ADAPTER AND RAIL, (NO STOCK OR GRIP )

Mesa Tacticals High-tube and Low-tube adapters, with mounting points for Picatinny rails, SureShell shotshell carriers and other accessories, are manufactured for the Remington 870, Mossberg 500/590, and Winchester 1200/1300 (High-tube only). They are multi-function single-point mounting devices which form the core of Mesa Tactical’s systems approach to tactical pump shotgun conversions.

Accessory mounting points on the sides of the High-tube and Low-tube aluminum adapters accept Picatinny rails, flush-cup sling swivels or Mesa Tactical shell carriers. Tactical lights, for example, can be mounted to either side of the shotgun receiver. Aluminum covers keep dirt and mud out of unused sling swivel holes and accessory mounts, which are fitted with HeliCoil® stainless steel thread inserts for strength and long life.