Hondo68 any other details on that "M1 Garand" thing? It looks like from the pics that he's using a short stroke piston (like in the M1 carbine) on a shorten op rod, instead of a gas cylinder. The gas port looks to be just in front of the stock instead of near the end of the barrel (pic 8, 9, 11). Since he has a full bridge scope mount centered on the receiver it looks like he has fashioned a fixed magazine where the en bloc would go. Plus the mount has a fold down peep (pic 2, 12). Why someone would do this is one question I'd like to ask, another is does it work??