Year 338 (CCCXXXVIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Ursus and Polemius (or, less frequently, year 1091 Ab urbe condita). The denomination 338 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

List of rifle cartridges, by category, then by name. <imagemap> File:Cartridge Sample 2.jpg|thumb|right|500px|From left to right: 1 .17 HM2, 2 .17 HMR, 3 .22LR, 4 .22 WMR, 5 .17/23 SMc, 6 5mm/35 SMc, 7 .22 Hornet, 8 .223 Remington, 9  .223 WSSM, 10 .243 Winchester, 11  .243 Winchester Improved (Ackley), 12 .25-06 Remington, 13  .270 Winchester, 14 .308, 15 .30-06, 16 .45-70, 17 .50-90 Sharps

Year 338 (CCCXXXVIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Ursus and Polemius (or, less frequently, year 1091 Ab urbe condita). The denomination 338 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

List of rifle cartridges, by category, then by name. <imagemap> File:Cartridge Sample 2.jpg|thumb|right|500px|From left to right: 1 .17 HM2, 2 .17 HMR, 3 .22LR, 4 .22 WMR, 5 .17/23 SMc, 6 5mm/35 SMc, 7 .22 Hornet, 8 .223 Remington, 9  .223 WSSM, 10 .243 Winchester, 11  .243 Winchester Improved (Ackley), 12 .25-06 Remington, 13  .270 Winchester, 14 .308, 15 .30-06, 16 .45-70, 17 .50-90 Sharps