Slater,

There is a $3.99 fix to the flex in the OEM stock.

Rockite. Available at Ace Hardware fro $3.99. It's a cementing compound, mix with small amounts of water til you have a past, and fill in the forend to the top of the internal dividers.

No More Flex.

I have a Heavy Barrel 308, that I spend $300+ on a Boyds custom stock, but due the to weight of that custom stock I decided to stick with the OEM for deer season.

The Rockite adds 3-4oz to the forend, but the flex is GONE. and 3-4oz in the field is preferable to the LBS added with the Boyds stock for me.