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The People of Virginia VS Grabigial BanBerger | ARFCOM News

[ARCHIVED THREAD] - .22 Upper

Posted: 12/11/2011 4:16:28 PM EDT

Can someone tell me the difference between the M4LE and the Sierra .22 upper?

Posted: 12/11/2011 4:28:43 PM EDT

[#1]

The M4 LE has an F front sight base
The M4 LEP has a receiver height gas block
The Sierra has a low gas block

[ARCHIVED THREAD] - .22 Upper