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kraigwy · March 28, 2013, 10:48 PM

Throat measurements measure the wear caused by gases burning as it pushes the bullet out the chamber and barrel. 10 is considered max and unservicabe. Your "1" is excellent.

Muzzle wear is cause by GI's running a cleaning rod improperly down the barrel while cleaning. The Army goes crazy on this cleaning crap.

My gage is out in the shop but I believe it goes from 1 - 4, indicating you have a goon muzzle.

Don't get to excited about it. According to the Gage's my M1 should be worn out but it still shoots under 3MOA and is capable of cleaning the Grand target. It just won't do it when I'm standing.

March 28, 2013, 10:48 PM	#2
kraigwy Senior Member Join Date: June 16, 2008 Location: Wyoming Posts: 11,061	Throat measurements measure the wear caused by gases burning as it pushes the bullet out the chamber and barrel. 10 is considered max and unservicabe. Your "1" is excellent. Muzzle wear is cause by GI's running a cleaning rod improperly down the barrel while cleaning. The Army goes crazy on this cleaning crap. My gage is out in the shop but I believe it goes from 1 - 4, indicating you have a goon muzzle. Don't get to excited about it. According to the Gage's my M1 should be worn out but it still shoots under 3MOA and is capable of cleaning the Grand target. It just won't do it when I'm standing. __________________ Kraig Stuart CPT USAR Ret USAMU Sniper School Distinguished Rifle Badge 1071