Example For Russian and Bulgarian AKM and VEPR Pattern Side Rail. Not to be used with AKR or AKOG modular uppers. IS NOT COMPATIBLE with the FIME Vepr-FM with factory folding stock.

Front Biased Lower

Common Usage: AKM Type rifles (Russian, Bulgarian and other AKM pattern rifles)

Product Dimensions: 5.87 x 0.55 x 2.16 inches

Weight: 2.88 oz

Link to parts manufacturer