My cz 858 broke today

wabaf

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I was shooting it today and probably put about 100 rounds until this happened. After a couple shots in a fresh mag the trigger was slack like the striker wasnt cocked.
I cycle the action and an unfired round comes out the chamber and I check for primer marks, nothin. I should have stopped there and looked at it but I figured it was the gremlin but in about 5000 rounds I never have this problem. I load a new mag, fire, then trigger dead again but hes jammed shut.
I couldnt open it with my hands and I bashed the charging handle on table to open and here it is the piece that goes on the bolt broke off. I bought this rifle around 2010 at P&D and it probably shot 5k to 6k times.
 
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Yeah I just looked over everything, the 3 pieces all make up the locking piece, the bolt, striker and receiver lugs are fine
Here it is
yuwXjhK.jpg
 
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That sucks man. Have you shot it alot? Perhaps its metal fatigue? I'm no metallurgist but that's one fubared situation.
 
I'll order the part from dlask. The receiver looks fine where it locks. I think the receiver has been deformed at the rear from all the firing, I cant push the rear pin without something steel, impossible with fingers
 
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I'll order the part from dlask, never letting this rifle go after they made it prohibited then non restricted again. The receiver looks fine where it locks. I think the receiver has been deformed at the rear from all the firing, I cant push the rear pin without something steel, impossible with fingers

thats interesting? can you take a picture of were its deformed?
 
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