ADVANCED TECHNOLOGY FLUTED 12 GA. MAG EXTENSION w/STAND OFF CAP
•Virtually indestructible fluted mag. extension adds (3) 2-3/4" shotshells •Military Type III anodized 6061 T6 aluminum construction •O.D. is engineered to match the diameter of barrel lug •Ratchet base for tight fit •Easy Install •Includes mag. spring •Made in the USA •Limited Lifetime Warranty •NOTE: For 8-shot extension capacity minimum barrel length must be 20"