【.308 Ammo holder Sling】The Rifle Shoulder Strap has slots for 11pcs .308 .30-06 , 45-70, .260, .22-250, .243, .270, .40-40 .40-60, .40-65, .40-70, .40-82,.44-40, .44 MAG. 【 .22LR Ammo holder Sling】The Rifle Shoulder Strap has slots for 20pcs 17HMR, .22LR, .22MAG. 【12GA Shotgun Ammo holderSling】The Shotgun Shoulder Strap Holds 8 Shells for 12GA. 【 .30/30 Shell Holder Sling】The Rifle Shoulder Strap has slots for 12pcs .357, .30-30, .38 .32Win Spcl.32-40. 【Leather Gun Strap】Made of 16-ounce waxed canvas and Double-Layer genuine leather. 【 Brass Chicago screws】Equipped with solid brass Chicago screws with both sides slotted for secure adjusted fit. Both ends of the shoulder strap are 1 inch wide, suitable for most rifle swivels. 【 Adjustable Ammo Sling】Adjustment end includes stitched leather keeper loops, adjustable from 33.5" to 41.5". 【 Package include】1pcs Leather gun shell slot loops sling.