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Old November 12, 2011, 01:05 PM   #15
fastbolt
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Join Date: June 9, 2002
Location: northern CA for a little while longer
Posts: 1,927
Hey.

I've never measured the hook's dimension, in either the 3rd gen or SW1911 guns, nor is it considered a necessary check as taught in the armorer classes.

I just recertified on the 3rd gen guns for the 4th time last year, and it was mentioned that newer manufacturing methods have resulted in even closer, more consistent tolerances. One extractor for a 5906TSW class gun actually dropped-in the gun and spec'd out without any fitting/filing.

The instructor said he'd seen that happen once or twice in other classes with some of the newest parts being used in the classes. (Having the extractor drop-in one gun in a class of 20-35 students certainly doesn't mean that the extractors are "drop-in" parts, but it speaks well to the increasingly tighter tolerances the guns and parts are exhibiting. )

It typically holds against the case rim, reaching far enough to grab the rim.
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