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9/22/2017 12:11:25 AM
Posted: 11/24/2003 11:17:23 PM EDT
[Last Edit: 11/25/2003 12:19:34 PM EDT by Master_Blaster]
This has been the big pink elephant in the room for some time now. As opposed to an expensive development program for a brand new weapon system (OICW/"oink-oink" & XM8), why hasn't the ARMY solicited for a replacement gas piston upper for the current lower? This would seem like an obvious no-brainer - or am I missing something?

This option must have been intentionally overlooked, so I suspect some palms must be getting greased in favor of the current program.
Link Posted: 11/25/2003 9:45:19 AM EDT
They have the RROC used a gas piston I guess the design wasn't as great as it was touted to be. I would like to see someone design a heavy walled gas tube with ajustable gas regulator, like a FAL so we could ajust the gas system (open a hole in the side of the tube or something in order to allow the rifle to function like brand new with a suppressor or erroded gas port.) [b]You could just ajust the tube to take strain off the tube (bleading off excess gas) it could even be baffled to reduce the noise created by the release of the excess gas.[/b]
Link Posted: 11/25/2003 12:17:11 PM EDT
Maybe because theres no current "Mil-spec" for a gas piston upper.
Link Posted: 11/25/2003 12:24:05 PM EDT
Link Posted: 11/25/2003 12:25:30 PM EDT
Originally Posted By Lumpy196: Maybe because theres no current "Mil-spec" for a gas piston upper.
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What's the excuse for pushing the XM8 as a replacement if its indirect-impingement design isn't to spec?
Link Posted: 11/25/2003 12:31:37 PM EDT
The XM8 is a prototype weapon. There is mil-spec means it meets the specific standards to fill a particular item that has been officially adopted and is part of the system.
Link Posted: 11/26/2003 3:09:55 PM EDT
Originally Posted By Troy: At least 5 systems have been developed to change standard ARs to use a gas piston, and several others have used completely different systems (ZM Weapons, Oly OA93 series). None of these systems has been a success. Reason? -Troy
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The reason for those particular two is that they both still use direct gas impingement.
Link Posted: 11/27/2003 2:26:48 AM EDT
You cant free float a gas piston upper.
Link Posted: 11/27/2003 8:43:11 AM EDT
Originally Posted By DevL: You cant free float a gas piston upper.
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Seen the G36? Free floated FAL?
Link Posted: 11/27/2003 10:51:28 AM EDT
You can isolate the handguard from the barrel but having a moving piece of steel directly attached to the barrel is not what I persoanlly consider free floating. You may be able to remove the shot to shot variance from attached itmes but your barrel harmonics will never be like a bolt gun or AR. And for the record no I have never seen a free floating FAL.
Link Posted: 11/27/2003 1:18:55 PM EDT
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