Specter DR Ballistic Calibration Chart:
The below information was used in the ballistic calibration of the BDC (bullet drop compensated) reticle.
DFOV14-C1 Specter DR 1x/4x: (5.56x45mm) is calibrated with NATO M855 (62gr) on a 16” M4 Barrel.
DFOV14-C2 SpecterDR 1x/4x: (7.62x51mm) is calibrated with NATO 147gr on a 20” AR-10 Barrel.
DFOV156-C1 SpecterDR 1.5x/6x: (5.56x45mm) is calibrated with NATO M855 (62gr) on a 20” Barrel.
DFOV156-C2 SpecterDR 1.5x/6x: (7.62x51mm) is calibrated with a BLENDED 147gr NATO and a 168gr -MATCH on a 20” Barrel.