The shades between manufacturers and there products may vary even if they are the describe as the same color. I recommend contacting the manufacturer in regards to how close the FDE Wilson Combat, BCM Starburst Gunfighter Grip matches the FDE B5 Stock.
I’ll answer my own question. Yes, it fits fine one the front tab is cut off (necessary when also using the WC trigger guard). Also, the supplied front set screw for the trigger guard has too big of a head. The DD screw worked fine in the WC trigger guard.
Reduced angle for improved ergonomics.
These are made by BCM with a Wilson Combat design on the grip.
Yes, they should fit just fine on both platforms.
Yes, it should fit just fine.
I would recommend contacting the manufacture.
Wilson Combat describes it as being manufactured from high quality impact resistant polymers.
Wilson Combat describes it as having a comfortable, natural grip angle for dynamic shooting.
Wilson Combat states : The tab on the front of the grip must be removed for use with the Wilson Combat® Tactical Trigger Guard (TTG).