Monstrum Side Saddle Ammo Holder for Remington 700 Short Action Rifles Crafted specifically for Remington 700 Short Action Rifles Compatible with only the following Short Action Remington 700 models: 243 Winchester | 308 Winchester | 7 mm-08 Remington Included: 5- #6 bolts, 4- #8 bolts, 1- torx key. (Most Remingtons will use the smaller #6 bolts) Keep your spare ammo right where you need it with the Monstrum Side Saddle Shell Holder. Built for use with Remington 700 bolt action rifles, the shell holder accommodates up to 5 spare cartridges. Mount allows for the mounting of Picatinny or Weaver standard scopes, red dots, or other optics. Unit installs into the factory mounting holes of Remington 700 short action rifles with no additional gunsmithing required. Not compatible with other rifle models.