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Posted: 4/10/2013 12:30:33 PM EDT
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hi guys
can anybody explain me how the new piston system of the enhanced M4 works? Its called articulating piston system. Is it a normal piston system like in a AR18? Or something very new? and btw. why the army uses the direct impingement gas operating system? Its proved that this version is less reliable than the indirect one. Its a little bit less heavy, but thats all? sorry for my english |
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Please see my thread here for pictures of Colt's piston system, to include the articulating link.
Basically, the transfer rod has a ball on the end that sits in a pocket on the piston. This allows the two parts to work together while remaining free to flex and twist if necessary.http://www.ar15.com/forums/t_3_126/604811_Colt_6940P__Piston_Parts_Pics.html |
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