Yes Jared. This will fit the M&P Sport 15 no problem as it is Mil-Spec from S&W.

yes it will fit the M&P 15 Sport II just fine Ideal for a new build or a modern sporting rifle upgrade, this kit from Hogue provides both an ergonomic overmolded beavertail pistol grip and a polymer collapsible butt stock with rubber recoil pad. The stock fits Mil-Spec buffer tubes and has multiple sling attachment slots and QD swivel sockets. The pistol grip design increases operator comfort during periods of sustained fire and is textured for a sure grip even with wet or gloved hands. Specifications and Features Hogue 15056 Polymer construction Textured, overmolded beavertail pistol grip Collapsible stock with rubber recoil pad Fits Mil-Spec buffer tube Black

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Hi Jared, Yes, This will fit the M&P Sport 15 no problem as it is Mil-Spec from S&W.

yes it will fit the M&P 15 Sport II just fine Ideal for a new build or a modern sporting rifle upgrade, this kit from Hogue provides both an ergonomic overmolded beavertail pistol grip and a polymer collapsible butt stock with rubber recoil pad. The stock fits Mil-Spec buffer tubes and has multiple sling attachment slots and QD swivel sockets. The pistol grip design increases operator comfort during periods of sustained fire and is textured for a sure grip even with wet or gloved hands.
Specifications and Features
Hogue 15056
Polymer construction
Textured, overmolded beavertail pistol grip
Collapsible stock with rubber recoil pad
Fits Mil-Spec buffer tube
Black