The TactaLoadA(R) FLASH-5(TM) gunstock was designed with the shooter in mind. The FLASH-5(TM) addresses an all too common problem of limited ammunition capacity with pump action shotguns. The FLASH-5(TM) stock remedied this problem by providing 5 additional shells, in the most opportune location, in order to reload fast! Not only does the FLASH-5(TM) provide the most convenient storage of ammunition, it also protects them from the elements and accidental external damage. Product Details: Easy Installation Intuitive action requiring less practice and training to master Rugged and durable construction to withstand the harshest elements and most demanding situations Allows shooter ability to function with or without gloved hands Ambidextrous design for both left and right-handed shooters Instant upgrade Holds all three 12g shotgun shell sizes (2 3/4", 3" and 3 1/2") Fastest practical reloading application available! Includes optional sling swivel stud attachment Specifications: Designed for the Remington and Mossberg Pump Action Shotgun Platform Length of Pull: 13.5 inch with Recoil Pad (included) 12.5 inch with Tactical Butt Plate (sold separately) Capacity: 5 - 12 gauge shotgun shells (2 3/4", 3" or 3 1/2")