guruofhotrod Posted July 20, 2014 Report Share Posted July 20, 2014 I have been partial to the Carpenter 158 material for bolts but, there are quite a few available in 9310 I know 9310 alloy steel is very strong (they make differential ring and pinion gears for professional class drag racing cars from it!) but on the M16/M4 the mil-spec is C158 - what is the preferred material for the .308 platform? any epic failure stories? Looks like I may have to find a temporary BCG since Shadow ops won't have mine out the door till at least late August. Quote Link to comment Share on other sites More sharing options...
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