Measured a 50 round box
Bullet measurement in mm (each measured 3x for accuracy). Measurement taken in same spot on each. Approximately 1/2 way from brass to the “shoulder” where the bullet begins to taper

(4) 5.64
(11) 5.65
(20) 5.66
(8) 5.67
(6) 5.68
(1) 5.69