Choate Tool H&R 20 Ga M-6 Stock. The tension can be adjusted to vary how hard the rounds are to remove by tightening the adjustment screws on the side of the shell holder. Great way to always have additional ammo for your single shot shotgun Length of pull is adjustable form 14 to 15 inches comes with a 1 inch soft rubber recoil pad. Stock only. Action barrel scope and forend not included. Specifications for Choate Tool H&R M-6 Stock: Manufacturer: Choate Tool Country of Origin: USA Features of Choate Tool H&R M-6 Stock H&R 12ga M-6 Stock Package Contents: Choate Tool H&R M-6 Stock Choate Tool CMT-19-01-09: H&R 20 Ga M-6 Stock