BSA Optics HMRGBD30CP - Manual (Page 9)

9
CAUTION: BE SURE THAT THE FIREARM IS NOT LOADED.
PRACTICE SAFE FIREARM HANDLING PROCEDURES AT ALL TIMES.
Zero sighting can be done either manually or with an optical collimator
(BSA
®
BS30 Bore Sighter):
1)
Move the sight back and forth until the correct eye relief distance is achieved.
2)
Tighten the crossbolt nuts.
3)
Attach the collimator.
Attaching The BSA
®
BS30 Bore Sighter To Firearms Other Than Shotguns
:
Select the appropriate bore stud from the kit and insert the notched end into the
collimator stud housing. Hand-tighten the silver locking screw to secure the stud.
Insert the other end of the stud into the muzzle.
Attaching The BSA
®
BS30 To Shotguns:
Insert the notched end with the adjusting screw/knob into the collimator. Hand-
tighten the locking screw. Insert the other end of the stud into the muzzle. Turn the
adjusting screw/knob counterclockwise until the desired gauge or bore diameter is
achieved and the collimator is secured. The adjustable collimator covers a wide range
of different gauges and black powder caliber.
CAUTION: IF THE BORE STUD DOES NOT INSERT EASILY,
REMOVE AND VERIFY THAT THE CORRECT STUD IS BEING USED.
4)
Look though the scope and into the collimator. Inside you will see a reference grid.
If necessary, rotate the collimator until the grid lines match vertically and horizontally
5. ZEROING THE SIGHT
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