PRODUCT SPECIFICATIONS:Dimension 1.20 X 6.05 X 4.65Height 1.2000Width 6.0500Length 4.6500GAUGE 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 .665 RESTRICTION RECOMMENDED FOR 3" #4 AND 3.5" #5 LEADNO DIRECT SHIP TO CALIFORNIA