RS Regulate Rear Biased Lower, Modular Side Mount, Fits AKM Type Rifles, Matte Finish, Black, Not Compatible with Folding Stocks

In 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 Romanian M10/RH10 rifles; a Century Arms proprietary side rail; and even a rear-biased lower for Czech vz. 58s. • Rear Biased Lower • Common Usage: AKM Type rifles (Russian, Bulgarian and other AKM pattern rifles) • Product Dimensions: 4.78 x 0.55 x 2.16 inches • Weight: 2.88 oz