SDS Imports MAC-2 Magazine Tube Extension Features The SDS Arms MAC-2 Magazine Tube Extension increases onboard capacity to 7 rounds giving MAC-2 shotgun owners more rounds ready to go before a reload is needed. The kit includes both the extension tube and a properly matched spring so shooters are not left sourcing a separate spring to complete the install. Because the extension utilizes the existing cap already on the MAC-2 shotgun installation stays straightforward without requiring additional hardware beyond what is included. The anodized black finish matches the factory finish on most MAC-2 series shotguns for a clean factory-like appearance. This extension is designed specifically to fit Military Armament Corporation MAC-2 series shotguns and compatible variants so shooters should confirm fitment before ordering. Adding capacity to a defensive or home defense shotgun can make a meaningful difference in a sustained engagement reducing the frequency of reloads under stress. The anodized finish also helps resist corrosion and wear from repeated handling and field use. The SDS Arms MAC-2 Magazine Tube Extension is available for sale at GrabAGun for shooters looking to maximize their MAC-2 shotgun s onboard capacity. SDS Imports MAC-2 Magazine Tube Extension Specifications Manufacturer: SDS Imports Model: MAC-2 Magazine Tube Extension Caliber: 12 GA Capacity Increase: Up to 7 Rounds Total Finish: Anodized Black Compatible Hosts: MAC-2 Series Shotguns Package Quantity: 1 Available At: GrabAGun