Description
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;Yugo Rear Biased Lower” “Common Usage: Yugo/Serbian Type Rifles (OPAP, NPAP or M21 pattern rifles)” “Product Dimensions: 5.71 x 0.55 x 1.88 inches” “Weight: 3.37 oz”