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Posted: 4/30/2011 3:55:11 PM EDT
New to the 9mm upper world, looking to build a 9mm rifle with an SRT integral suppressor. Are all 9mm uppers piston driven or are some direct gas?
Thanks all,
John
Link Posted: 4/30/2011 4:15:16 PM EDT
[Last Edit: 4/30/2011 4:30:21 PM EDT by westford86]
Originally Posted By Em_Four_Guy:
New to the 9mm upper world, looking to build a 9mm rifle with an SRT integral suppressor. Are all 9mm uppers piston driven or are some direct gas?
Thanks all,
John


No gas system.  They're all straight blowback.
Link Posted: 4/30/2011 5:18:29 PM EDT
Thanks for the insight, much appreciated!
Cheers,
John
Link Posted: 4/30/2011 6:00:23 PM EDT
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