This is a Magpul Industries Stock known as the Hunter 700, model MAG495-GRY.
Made from reinforced polymer and an anodized aluminum bedding block" the Magpul Remington 700 Hunter Stock offers users a cost effective replacement featuring fully adjustable length of pull" comb height" and enhanced ergonomics. Compatible with Remington 700 Short Actions" this stock requires no bedding and is a true "drop-in" solution for the end user*. This stock is also M-LOK(R) compatible to accept a broad range of accessories. Also available is our Bolt Action Magazine Well" which allows the rifle to be used with detachable box magazines without the need for custom inletting. Made in U.S.A.
Features:
Compatible with standard Remington 700 pattern short actions
A380 cast aluminum V-bedding block
Accepts ALL factory Remington barrels