Pellet head size gauge

Professionally made Pellet head size gauge 'SIZER,' calibrated and tested by AlphaGunsmith. It is a simple-to-use device crucial for determining pellet head sizes to improve shooting group accuracy. Available calibers include: - 4.5mm (.177) (interval: 4.46-4.55mm) - 5.5mm (.22) (interval: 5.46-5.55mm) - 6.35mm (.25) Crafted from anodized aircraft aluminium, with dimensions of 10x3x1.5 cm and weighing 110 grams. For instructions, visit: https://youtu.be/Mn9UaCd4laA.