gas piston
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Old 02-07-2012, 11:29 PM   #1
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Can a gases piston upper work on a normal lower?

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Old 02-07-2012, 11:41 PM   #2
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All other things being equal, yes.

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Old 02-08-2012, 10:45 PM   #3
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Yes sir they can,you have to have a hydraulic buffer

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Old 02-08-2012, 10:54 PM   #4
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Yes sir they can,you have to have a hydraulic buffer
Why would he need a hydraulic buffer?
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Old 02-08-2012, 11:04 PM   #5
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The cycle rate is drastically different then direct impingement gas systems even when firing semi auto you will have problems if your running a regular buffer and spring

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Old 02-08-2012, 11:15 PM   #6
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The cycle rate is drastically different then direct impingement gas systems even when firing semi auto you will have problems if your running a regular buffer and spring
What will a hydraulic buffer do that an H2 won't?
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Old 02-08-2012, 11:41 PM   #7
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What will a hydraulic buffer do that an H2 won't?
They slow the cycle rate and manage recoil better. The added mass and dynamic of the gas piston affects both, so its needed to balance the system.
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Old 02-08-2012, 11:50 PM   #8
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They slow the cycle rate and manage recoil better. The added mass and dynamic of the gas piston affects both, so its needed to balance the system.
And what should I tell myself about the LWRC in the safe which runs a H2 and shoots extremely smooth? Should I run out and purchase a hydraulic buffer and add more moving parts and increase the chances something will go wrong?
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Old 02-09-2012, 12:06 AM   #9
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If you have a LWRC I wouldn't worry about it then but if your building a AR piston driven upper that's a different story

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Old 02-09-2012, 12:56 AM   #10
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If you have a LWRC I wouldn't worry about it then but if your building a AR piston driven upper that's a different story
He never said he was building one. He asked if a "normal" lower would work on one. Regardless what would the difference be?
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