Thin GI profile 20 inch bbl AR15

You mean this?

4r20se-2.jpg
 
yes like that but more detail.
have a handfull of 26" blanks and wanted to make some 20 light weight barrles, but ill still do them .750 at the gas block as we can use standard sight towers.
The old GI drawing looks good but its in rought shape i would not trust it, if anyones got somthing like that but in a pdf file that would be good.
bbb
 
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