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BCM extractor upgrade kit and the Alexander Arms Overwatch - Didn't work out for me..

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BCM extractor upgrade kit and the Alexander Arms Overwatch - Didn't work out for me..
Darkop
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#6
02-04-2012, 07:51 PM
Just use a 5 coil spring with black insert for carbine and rifle gas systems. You should be using a "Solid" pin in your extractor/bolt not a "Roll" pin
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BCM extractor upgrade kit and the Alexander Arms Overwatch - Didn't work out for me.. - by Darkop - 02-04-2012, 07:51 PM

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