The 6.5 Creedmoor chambering has the traditional 203 mm (1 in 8 inch) or 31.2 calibres right-hand twist rate shares the relative ease of chambering it in arms designed for .308 Winchester sized cartridges, though the 6.5 Creedmoor (6.5×49mm) maximal overall length is 0.64 mm longer compared to the .308 Winchester. [