Doing some research on the Sig GSR 1911.
The 2004 Original GSR's had Caspian frames and slides, match grade barrels, night sights, no MIM parts, etc.
What production year did parts start to change (and specifically what parts changed)? Trying to figure out when the configuration of parts started to change.
Anyone know the differences in model numbers 19GSR00XX? Is there a link on the Sig site that I was not able to find?
Thanks!
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