Beavertail safety cut radius - AO1911 GI - .250 or .220?

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Hi guys!

I need help from 1911 builders.

I get quite a bit of hammer bite when I shoot my AO. I have decided to install (myself) a beavertail.

Can someone please tell me what the proper radius cut is needed for a Kahr AO 1911A1 GI?

I have searched the interwebs for hours, and the only thing I have learned is that Springfield Armory requires a .220 radius, because it is Milspec. OK, fine. I gues I then need a .250 cut? The part I am not sure is what Milspec means in this context, and if other manufacturers GIs are also milspec...

I am guessing that one should go with .250 by exclusion (since its not a SA GI milspec!) and if it looks terrible, I can always buy a .220 jig/safety and file some more?

Any help is welcome.

Thanks!
 
It depends on what beavertail you use. Most of them are .250. Look on brownells at the one you want and it will tell you what cut you need.
 
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