The Winchester SX3 Ultimate Sporting is the ultimate clay gun. The adjustable stock allows you to fit the gun to your shooting style in seconds. Designed to perform reliably and out shoot the competition, this SX3 does not want to be overlooked or underestimated with its high grade Walnut stock, matt Nickel plated receiver and Perma-Cote grey barrel. Supplied with the Winchester 2 year warranty. Specifications, Calibre 12 gauge, Chamber 70mm (2 & 3/4"), Weight 3.4 Kg, Barrel Back bored, Chokes 5 x Invector Plus Signature (Cyl, 1/4, 1/2, 3/4, Full), Top rib 6mm, Barrel finish ultra tough cote, Sights White mid-bead & Front TruGlo (Fibre optic), Action frame Aluminium, Length of pull 14 1/2", Magazine capacity 2 + 1 (Section 2 shotgun certificate), Please Note Specifications taken from manufacturers website and may not be current or entirely accurate.