Millet Sights TRS-2 - Manual (Page 3)

Boresighting
Boresighting is aligning the scope to the bore of the rifle to assist you in getting on
target when sighting in the rifle.
There are several ways to boresight a rifle, 1. Looking through the scope and the bore
of the rifle until they are both at the same point. 2. Using an optical device inserted into
the bore and aligning the scope to a point on the boresighter. 3. Using a laser inserted
into the barrel at the muzzle or chamber to make a reference point and aligning the
scope crosshairs to that point. All of these systems work well, follow the instructions
supplied with each method.
Sighting in
Sighting in your rifle is critical to assure that point-of-aim and impact yards are the
same at a known range. The method we recommend is to start shooting at 25 yards or
50 yards with a target large enough to allow some room for error. The goal of properly
sighting in the scope is to eliminate human error, so use a solid rest to support the rifle.
It’s best if at the time you sight in, the wind is calm.
Fire 3 shots, carefully holding the crosshairs at the same point on the target for each
shot. Measure the distance from the point you were aiming at and center of the 3 shot
group. This is how much you will need to move your scope to align the crosshairs. Let’s
say the group was 4 inches to the right and 5 inches high. Since the adjustments on
the TRS scopes are 1/8” or 3mm at 100, and 1/16” at 50 yards, you will need to move
the scope adjustments 64 clicks to the left and 80 down. One full turn of the turret is
72 clicks or 9 inches at 100 yards.
Note: The arrows on the turrets of the scope are for direction of movement of the bullet.
Move the target to 100m or yards and repeat the sighting in procedure to adjust the
turrets until the scope is aligned to the rifle. Fire a group after adjustment to assure the
proper sight-in.
It is best to fire the rifle at the ranges that the sight will be using to assure your zero and
drop for various ranges. Many shooters set the sights a number of inches high at 100
yards so they have a longer point-blank range. Example, a 308 sighted 2 inches high at
100 will be dead on at 200 yards, extending the point blank range to over 300 yards.
Once the scope is sighted in, you can zero the windage and elevation turrets by
loosening the 3 small set screws in the top of the caps and turning the cap until the
zero ( 0 ) lines up with the dot on the body of the scope and then retighten the screws.
Now it’s easy to count the clicks for elevation and windage.
Note: Small Allen wrench in box.
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