Any firearm experts here? (specifically sig)?

JohnnyFlake · 02-27-2009, 08:00 PM

The shinny area on the barrel can develop quickly as it appears to be in the area that the slide bushing locks the barrel into battery when the weapon is ready to be fired. That is usually a very close tolerance fit. Simply racking the weapon a fair number of times could cause that.

There are two areas that should tell you if the gun has been fired more than a few times and they are the Feed Ramp on the barrel and the Breech Face, especially within a 3/8" circle surrounding the firing pin opening. It is very difficult to remove all signs of wear and burnt carbon that develops in those areas, especially on the Breech Face where the primer and cartridge case slam against it and ever so slightly cause very minor indentations over time.

If you have a jewelers eye piece (5X / 7X) use it and the slightest amount of true wear, brass residue and/or carbon residue will become evident, if the weapon has been fired very much.

BTW which model is it. I can't see very much of it and it's hard to tell.

02-27-2009, 08:00 PM	#13
JohnnyFlake Just an old Wiseguy! Join Date: Oct 2008 First Name: John Location: Henderson, Nevada Posts: 534 Trading: (18)	Re: Any firearm experts here? (specifically sig)? The shinny area on the barrel can develop quickly as it appears to be in the area that the slide bushing locks the barrel into battery when the weapon is ready to be fired. That is usually a very close tolerance fit. Simply racking the weapon a fair number of times could cause that. There are two areas that should tell you if the gun has been fired more than a few times and they are the Feed Ramp on the barrel and the Breech Face, especially within a 3/8" circle surrounding the firing pin opening. It is very difficult to remove all signs of wear and burnt carbon that develops in those areas, especially on the Breech Face where the primer and cartridge case slam against it and ever so slightly cause very minor indentations over time. If you have a jewelers eye piece (5X / 7X) use it and the slightest amount of true wear, brass residue and/or carbon residue will become evident, if the weapon has been fired very much. BTW which model is it. I can't see very much of it and it's hard to tell. __________________ A real man only needs Seven things in his life, Cigars, Women, Guns, Whiskey, Beer, Beans & Bacon!