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AR15.COM
4/16/2015 7:53:49 PM EDT
Bought an 80% test frame for a 1911 build and noticed that their was an opening in the rail where the slide stop goes and wondering if this was normal?


VS.
4/16/2015 8:09:38 PM EDT
[#1]
Normal.  If you built it as a 10mm that bridge would likely crack, so some manufacturers remove it.
4/16/2015 9:37:27 PM EDT
[#2]
Quote History
Quoted:
Normal.  If you built it as a 10mm that bridge would likely crack, so some manufacturers remove it.
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Ok thanks starting my first build and don't know a whole lot about the alloy frames.
4/16/2015 10:13:14 PM EDT
[#3]
Colt has been doing the cutout for decades in most of their 1911 models since 1980s or 1990s.