Marantz Model 30 opinionsadvice please.

modal30Hello, Is there any one who can value a Cordoba model 30, espana series, made in 1999. I recently bought the guitar on Cras list and when I askedFN 30-11 10-round magazine (left) and FAL 20-round magazine. Both will fit the FN 30-11 rifle. Although strgth of the internal spring of the FAL magazine is to strong for smooth action