Safety & Maintenance Instructions
DDM4
®
/ DD5
®
MANUAL P 17
1 METER = 1.09 Yards
1 INCH = 2.54 Centimeters
1 CENTIMETER = 0.39 Inches
TRAJECTORY: the path followed by a projectile
ZERO: the distance where the shooter’s line of sight and the bullet’s trajectory meet
The purpose of sighting-in or “zeroing” your rearm is to conrm that your rounds strike
the target where you expect them to. The operator of the rearm must decide at which
distance to zero the rearm, taking into consideration how the rearm is likely to be used.
IMPORTANT: THE TRAJECTORIES WILL VARY DEPENDING ON CALIBER,
AMMUNITION TYPE, WIND, TEMPERATURE, ALTITUDE, ANGLE TO THE TARGET,
AND MANY OTHER VARIABLES.
If you are using any optics, please follow the sighting-in information provided by the
manufacturer of the sighting system. The following is the procedure to sight in your
Daniel Defense mechanical sights:
1. Be sure rearm is clean and properly maintained.
2. Conrm rear sight has small aperture in the up position.
3. Based on preference, decide whether to use “CENTER HOLD” or “6 O’CLOCK
HOLD,” and stick to it while sighting-in your rearm.
4. Carefully aim at the target, take your time, and re ve rounds.
5. If the middle of your shot group is not centered on the target in
ELEVATION, measure the distance up or down from the center of the target.
Adjust the FRONT sight post by depressing the sight plunger, then turn the
number of clicks calculated from the following chart:
DATA ASSUMES: Rear sight @ T1 and Front Sight @ T-51
*Adjustment values will vary slightly based on sight radius*