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7” 300 blackout AR pistol feeding issue


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DonBow

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I have a 7” 300 blackout pistol with standard gas block and pistol length gas tube that is having feeding issues or cycling issue after 2 or three rounds fired. It will try to double feed or will eject a round but won’t grab another. Standard milspec BCG and Magpul Pmags also H2 buffer. Anybody know what I could try to fix this issue.
 

Daezee

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Do this test first: load only one round in the mag, chamber it and fire. Did the bcg lock back? If no, then either the mag is defective or not enough gas to function. Not enough gas can be hard to pin down the cause, but we’ll work on that later.
 

DonBow

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Thank you I’ll get back to you when I get a chance to hit the range
 

FrommerStop

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I see you also have an H2 buffer. Have you tried a standard wt buffer.
Relative to gas leaks before getting input from Daezee and others, there are some basic things you can do at home. The first do the gas ring test and checking your gas key. There are a lot of instructional youtube videos that teach how to do such things.
 
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