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Unread 03-30-2013, 02:33 PM   #6
alvin
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Quote:
Originally Posted by cdmech View Post
Why does the broken area look like a casting? How did the part fail?
Marc
I believe the locking lug was hardened, so it's also brittle. Same is true for bolt head and sear arm. Especially sear arm, it may crack like a piece of glass.

It arrives me in broken mode.
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