6 GT vs .338 Winchester Magnum
A to-scale size comparison of the 6 GT and the .338 Winchester Magnum, drawn from SAAMI and C.I.P. cartridge dimensions and aligned at the case head.
6 GT (left) beside .338 Winchester Magnum (right), shown at the same scale.
The 6 GT has an overall length of about 2.64″ with a 0.243″ bullet. The .338 Winchester Magnum runs about 3.34″ on a 0.338″ bullet. That makes the .338 Winchester Magnum about 1.3x the overall length of the 6 GT. See the full reference for each: 6 GT and .338 Winchester Magnum.