MJ > bass guitarsAdd to compare listNo reviews yet | Write a reviewBuy now OverviewBrand name: MJProduct: bass guitarsDates of manufacture: 2003The first M4 ROCKCRUSHER was produced by MJ GUITAR ENGINEERING in 2003 SpecificationsAdd or edit MJ GUITAR ENGINEERING M4 ROCKCRUSHER specsPrices (0)Take the MJ GUITAR ENGINEERING M4 ROCKCRUSHER price survey.Reviews (0)Write a reviewGallery (0)Upload your MJ GUITAR ENGINEERING M4 ROCKCRUSHER photosPlayers (0) Add new comment