SDS Imports SDS Mac-2 Tactical Magazine Extension 12 ga +6/rd 4C60DD25 SD. Increases capacity to 11rds. Fits Military Armament Corporation MAC-2 series shotguns and compatiable variants. Includes tube and spring utilizes existing cap on MAC-2 Shotguns. Anodized black finish. Specifications for SDS Imports SDS Mac-2 Tactical Magazine Extension 12 ga +6/rd 4C60DD25: Manufacturer: SDS Imports Fabric/Material: Anodized Black Magazine Capacity: 6 Round Features of SDS Imports SDS Mac-2 Tactical Magazine Extension 12 ga +6/rd: Increases capacity to 11rds Fits Military Armament Corporation MAC-2 series shotguns and compatiable variants Includes tube and spring utilizes existing cap on MAC-2 Shotguns Anodized black finish Package Contents: SDS Imports SDS Mac-2 Tactical Magazine Extension 12 ga +6/rd MAC-2 magazine extension tube. Increases capacity to 11rds. Fits Military Armament Corporation MAC-2 series shotguns and compatiable variants. Includes tube and spring utilizes existing cap on MAC-2 Shotguns. Anodized black finish. SD80041056