Rs Reg 30mm Modular Ring Upper Lightweight 5%) while preserving compatibility with

5%) while preserving compatibility with night vision goggles

and wire EDM cut to be as precisely concentric as possible

4 Round Capacity

SKS tri-rail receiver cover for mounting optics and accessories

Medium Height

Rs Reg 30mm Modular Ring Upper Lightweight 5%) while preserving compatibility withIn 2012" RS Regulate began rolling out the first models of the AK 300 Modular Side Mount System, which now features six fully modular uppers and nine different lowers: a front biased, a rear biased, and a full length lower for most Eastern European AK side rails; a front biased and full length lower for Yugo Serbian rifles; a PSL and and Romanian M10 RH10 rifles; a Century Arms proprietary side rail; and even a rear biased lower for Czech vz. 58s.