Magpul's Remington 700L stock is now available for Long Action version as well. It is also M-LOK capable. Price is $279.95
https://www.magpul.com/products/hunter-700-la-stock-remington-700-long-action
The release coincides with release of
Magazine well 700L($79.95), as well as
PMAG 5 AC L Magnum magazine($39.95)
From: Magpul