CMMG Inc Spring Action Carbine MK3 38CA98E. Spring Action Carbine Mk3 Specifications for CMMG Inc MK3 Action Spring Carbine: Manufacturer: CMMG Gun Model: CMMG Mk3 Gun Type: Carbine Package Contents: CMMG Inc MK3 Action Spring Carbine CMMG Inc 38CA98E:...