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coach · December 29th, 2011, 10:57

The mod is fairly straight forward but is not reversible. It's a matter of removing enough material so that a one piece will drop down and clear into the lower receiver. With a two piece, half is fixed to the lower and the other is attached to the upper. In normal situations, there's no problems with a two piece as they will mate just fine. The air seal is not affected. I only changed mine because the upper half broke when playing in extreme cold weather.

IMO, the feeding issues would be attributed to Mag/hopup unit compatibility. From what I recall, it is possible to also mess up if the lower isn't modded right so that the hopup doesn't sit square. Eg. More material is cut from one side and less on the other pushing it off center.

December 29th, 2011, 10:57	#2
coach aka coachster Trader rating Join Date: Mar 2008 Location: T dot	The mod is fairly straight forward but is not reversible. It's a matter of removing enough material so that a one piece will drop down and clear into the lower receiver. With a two piece, half is fixed to the lower and the other is attached to the upper. In normal situations, there's no problems with a two piece as they will mate just fine. The air seal is not affected. I only changed mine because the upper half broke when playing in extreme cold weather. IMO, the feeding issues would be attributed to Mag/hopup unit compatibility. From what I recall, it is possible to also mess up if the lower isn't modded right so that the hopup doesn't sit square. Eg. More material is cut from one side and less on the other pushing it off center. Last edited by coach; December 29th, 2011 at 11:01..