Carbon Stock Modifications

[TxLite]

What is the best way to open up the ejection port on this stocky vg? Also need to relieve around the bolt release.

Thinking of using a router or routing bit on a dremel. Obviously with proper PPE and respirator.

 

[SamsonMan22]

I roughed mine in with a carbide burr on a dremel and then finished it with a dremel sanding drum.