Gunsmithing Bedding Barrel Support?

[diderr]

Is it beneficial to have a barrel support bedded in for a heavy long barrel to reduce action stress?

 

[Straight Shooter]

This Remington 700 repeater with 32" works pretty fair with barrel fully floated. Full Custom 300 RUM Completed! - Long Range Hunting Online Magazine

Notice two groups on the same target at varied ranges. Retumbo or H50BMG in 32" 300 RUM? - Page 5 - Long Range Hunting Online Magazine

 

[Boogyman]

I was always taught to add 1.5 to two inches of chamber support on longer barrels and always have.