Product Description Upgrade your MAC-2 12 gauge shotgun with the SDS Imports Tactical Magazine Tube Extension. Designed for Military Armament Corporation MAC-2 series shotguns and compatible variants, this extension increases total magazine capacity to 11 rounds for improved readiness and reduced reload frequency. It features a durable anodized black finish and includes the extension tube and spring while utilizing the existing cap on MAC-2 shotguns for straightforward installation. Product Highlights Increases MAC-2 shotgun magazine capacity to a total of 11 rounds for enhanced tactical performance Compatible with Military Armament Corporation MAC-2 series shotguns and compatible variants Includes magazine extension tube and spring; uses the existing MAC-2 cap Durable anodized black finish for corrosion resistance and long-lasting use Extension protrudes approximately 5 3/4 inches past the barrel (per manufacturer note) Specs Brand: SDS IMPORTS LLC Product Type: Tactical magazine tube extension Gauge: 12 Gauge Compatibility: Military Armament Corporation MAC-2 series shotguns and compatible variants Capacity: Expands total capacity to 11 rounds (+6 extension) Finish/Color: Anodized Black Included Components: Extension tube, spring Approx. Added Length Note: Protrudes ~5 3/4" past the barrel Weight: 0.35 lb Manufacturer Part Number: 80041056 UPC: 723551445587 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.