ORIGINAL: stubblejumper
I use one of those gun vises that I picked up from Wal-Mart. Stick the gun in the vise, aim dead center, fire one shot, reaim dead center, then adjust your crosshairs to where the bullet went in. Then shoot for groups and adjust as needed.
Do not use any kind of gun vice with a rifle with heavy recoil,because if you prevent the gun from recoiling,you place a great deal of strain on the stock,and/or the action screws.I have seen stocks cracked because of this,and action screws bent if the recoil lug was not fully bedded.
As well,guns often don't shoot to the same point of aim out of a gun vice.
Good point stumblejumper.....the vise I got from Wally-World is all plastic and really doesn't prevent the gun from recoiling. Certainly not enough to do any damage. It is not attached to the bench in any way. However, it does hold the gun steady enough to adjust the crosshairs to point of impact after that first shot. If fact, most times I'll take that first shot off of the sand bags and then just use the vise to adjust the crosshairs from point of aim to point of impact.
firstshot
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Make your first shot count!