This is a Magpul Industries Stock known as the Hunter 700L, model MAG483-GRY.
Made from reinforced polymer and an anodized aluminum bedding block" the Magpul Hunter 700L Stock offers users a cost effective replacement featuring fully adjustable length of pull" comb height" and enhanced ergonomics. Compatible with Remington 700 Long Actions" this stock requires no bedding and is a true "drop-in" solution for the end user*. The 700L is also M-LOK(R) compatible to accept a broad range of accessories. Also compatible with our Bolt Action Magazine Well 700L which allows the rifle to be used with detachable AICS-spec box magazines without the need for custom inletting. Made in U.S.A.
Features:
Compatible with standard Remington 700 pattern long action
A380 cast aluminum V-bedding block
Accepts ALL factory Remington barrels