ATI SSC0100 TactLite Shotgun Stock Side Saddle Shell Carrier, Holds five 12 Gauge Shotgun Shells. Fits ATI TactLite shotgun Stocks with Cheekrest Attached. Mounts to the Cheekrest While Still Allowing the Adjustment of the Cheekrest. Military Type III Anodized, 6061 T6 Aluminum Mounting Bar. Can be Added to Either Side of the Stock. Limited Lifetime Warranty. Manufactured in the USA.