The FM9D features an instantaneous transition from belt to magazine; patent pending one handed bolt charging/hold open assist device; last round bolt hold open technology with Glock type magazine; patent pending belt bag/belt feed device attachment technology with magazine feed assist; patented belt feed chute/belt guide device; patent pending cam arm placement protection system; patent pending F.O.R.M. mount "freedom optic riser mount" for RMR and other popular optics; BCM mounting system with M-LOK rail; patent pending split bolt delay system and patent pending lower receiver fire control group extreme durability pin system. Includes 100rd belt bag, 150 links, OEM 33rd Glock magazine and Savior American Classic soft case.