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73 Posts
I just got a good deal on G21 gen 2 and noticed when i detailed strip and gave it a good look over this indention/ half circle on the slide near the recoil rod hole does anyone here have a G21 gen 2 with the same thing? I do not see it on any of my other glocks?? I do not know if it is just for large G21 and G20 or what?
