PRODUCT SPECIFICATIONS:Dimension 1.05 X 4.65 X 5.30Height 1.0500Width 4.6500Length 5.3000GAUGE 12GACHOKE/ID TURKEYFLUSH OR EXTENDED EXTENDEDMATERIAL STAINLESS STEELTHREAD PATTERN MOBILOTHER FEATURES: ROUND ANGLED PORTS RECOIL REDUCTION MUZZLE JUMP REDUCTION NO WRENCH REQUIRED, EXTENDS APPROX. 1.5" FROM BARREL .660 RESTRICTION RECOMMENDED FOR 3" #5 AND 3.5" #6 LEADNO DIRECT SHIP TO CALIFORNIA