9.3x57
(.450 member)
08/12/18 11:52 AM
Re: Mannlicher Schönauer + Mauser = Mauserlicher

Quote:

Mausers where case hardened to prevent wear and no other reason, not to prevent deformation under operation stresses. The case hardening also prevented lug setback. A Mauser receiver could be used without case hardening but in time lug setback would occur and galling and wear would occur to the bolt guide channels.




Lug seat setback IS...."deformation".



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