Thread: Super light thinking

Originally Posted by STC

receiver and bolt body from 7075. only the pressure bearing parts from high tensile steel would be one way of shedding weight... but you need to know what you are doing there regarding sizing and strength calcs...

as for scope: iron/open sights?

I wouldn't put 7075 in a pressure critical part.
Although I have used it for barrel outers with a pencil thin 4140 or SS inner barrel.
It does work well and has contributed to a couple of very light and accurate stubbed Contender barrels