I thought it was quite comfortable for prone, I just wouln't use it for position shooting. they seemed to be built well they look like a good deal especially if you are going to be doing single position shooting.
I have one and no complaints. Used for shooting prone at steel. I did bed the action, only so as not to induce stress on the action when torqued. Good buy for the money.
yes it is heavy ( my .308 700 comes in at 15# with scope and bipod), it's well made and makes a very stable platform in any position, I've taken mine hunting the past two seasons but also take my 5# .270 700