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Old August 6, 2011, 03:59 PM   #22
atomicsaladbowl
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Join Date: August 3, 2011
Location: westchester county NY
Posts: 20
I have been using factory ammo, and it does it without the magazine even in so thats not an issue. could it be the 5 rounds that cycled fine were enough to foul up the oil that was in the gas cylinder?

The chamber is clean and the entire rifle was clean, its got me stumped, maybe the headspace is off?? im not sure, sometimes it has trouble seating a round in the chamber, maybe the chamber is reacting to the heat of the first 5 rounds?
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