i have a 98 action safety has been put in to be scoped timney trigger,all i know its marked BNZ WHICH I THINK CAME OUT OF THE STYER FACTORY.I WANT A 458 OR 458 LOTT.I KNOW THE FACE HAS TO BE OPENED.HOW IS IT CROSS BOLTED.OR IS IT WORTH IT.I USE TO HAVE A 338 SHOT WELL PUT A SET TRIGGER IN IT.I HAVE HAD IT FOR YEARS AND NEVER WENT ANY FURTHER.