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Contrast Man · February 4, 2013, 07:54 PM

I believe the ss indicates night sights. Also, note that the sp prefix means only a 10 round magazine while the E prefix indicates an unrestricted magazine.

February 4, 2013, 07:54 PM	#2
Contrast Man Senior Member Join Date: November 2, 2011 Location: Illinois Posts: 178	I believe the ss indicates night sights. Also, note that the sp prefix means only a 10 round magazine while the E prefix indicates an unrestricted magazine.