Hawke Sport Optics 4.5-14x44 Sidewinder 30 SF Riflescope (10x Half Mil Illuminated Reticle) - Manual (Page 3)

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RETICLE SUBTENSIONS
When on 10× magnification, the gap between two mil dots is equal to 1 mil of spacing, also
known as 1 MRAD.
IMPERIAL
1 MRAD = 1yd @ 1000yds = 3.6in @ 100yds. At different ranges this MRAD gap will change:
50yds = 1.8in, 100yds = 3.6in, 200yds = 7.2in, 300yds = 10.8in.
METRIC
1 MRAD = 1m @ 1000m = 10cm @ 100m. At different ranges this MRAD gap will change:
50m = 5cm, 100m = 10cm, 200m = 20cm, 300m = 30cm.