Cobray ID

jcbrown23602

May 07, 2012 13:28

So I've concluded it's a Cobray M11 bolt. Is it open or closed? Can anyone tell by simply looking at it? Also...is that just a run of the mill M11 threaded barrel or is there anything out of the ordinary about it that anyone sees or knows about that I'm not mentioning? Thanks a bunch!

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  dcs shooters

  May 07, 2012 15:01

  It's a closed bolt. The firing pin is inside the spring from what I can see. See if it moves. If not it's a open bolt.

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  oscat271

  May 07, 2012 15:13

  You are missing the firing pin retainer pin which goes into the hole on right side. A closed bolt firing pin will have a slot that this passes through. With a f/p spring, f/p can be pushed forward and will retract.
  On closed bolt, F/p has a hole for retainer and no spring.
  It will protrude from bolt face.
  Open bolts have a sear catch notch at lower foreward right front, closed are rounded lower front.
  The barrel is a standard open/semi with 3/4x10 threads.

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