 The Scout comes with iron sights and the later models have Picatinny rails for mounting a wide range of sights and scopes.The original USAF M6 stock held 9 rounds of .22 Hornet ammunition and four .410 shells, and the Scout holds 12 rounds of .22 Hornet and 4 shotgun shells.For the rim-fire models, the stock holds 15 rim-fire cartridges and four shotgun shells.