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Old December 28, 2012, 02:11 AM   #18
db creekside
Junior Member
 
Join Date: December 23, 2012
Posts: 8
That notch came up before and as wyop pointed out, it's normal for recent bolts but don't know what year it started. See attached from other website.

I believe the purpose of the notch is to facilitate extractor replacement. I have two on the way
Attached Images
File Type: jpg 700boltfaces.jpg (85.8 KB, 27 views)
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