I don't really know, more than a 7-375R, probably around a 7mm Rem Mag, more than a 300 RUM, less than a 300 Win Mag, it is a very subjective thing, depending entirely on how it is used/abused, how hot it gets, etc.
I haven't owned a rifle long enough to wear one out yet, my 338 Terminator must be getting close, it has had a hell of a life shooting steel.
Had a play with RL33 the other weekend, still shoots sub half moa with 300s well over 3100 & 250s well over 3400fps so still has some life in her yet,![]()
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