Approximately 13.75” long

Manufactured by Black WarriorBlack Zytel Fiberglass Resin (THIS IS A MATERIAL THAT RESEMBLES PLASTIC)

Will fit Mossberg 500, 500A, 590 12 GA Smooth Barrels

Will Not Fit 590A, Shockwave, Ventilated Rib or "Heavy Walled" Barrel Models, or any breacher barrels

Will fit maverick 88 security with 20” barrel that holds 7 rounds

Will not fit maverick 88 security with 18.5” barrel that holds 5 rounds. There is a conflict with the mounting clamps.