SpecterDR Reticle Calibration
Specter DR Ballistic Calibration Chart
The below information was used in the ballistic calibration of the BDC (bullet drop compensated) reticle.
![](http://armament.com/cdn/shop/files/reticle-calibration-dr.jpg?v=1721856044&width=271)
SpecterDR 1x/4x
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.
SpecterDR 1.5x/6x
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.