I believe 5 clicks moves the bullet one square on the M4 target, and 4 clicks moves the bullet one square on the M16A2 zero target and windage side screw. You are right, the PDF prints a littlle smaller but zefo is a reason for that. Target detection procedures for the BIS are the same as with standard iron sights. When this is done, move the aiming point of the aiming device to the crosshair on the meter boresight target. I chose to use the 50 yard zero. The back-up iron sights BIS can be boresighted to a new user to expedite meter zeroing.
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Look inside the receiver to verify the weapon is unloaded. Tightening the screws with your fingers. Tighten the screws another one-quarter turn using the screwdriver.
Load the weapon with one round, aim it at the backstop or dirt berm, and fire one round. This will set the ACOG in place, so recoil will not affect your zero. Step 4 Set up the weapon rest or sandbags on the table. Unload the weapon and set it aside.
Walk to the meter target post and mount the target. Return to the table and mount the weapon in the rest, or rest the barrel on the sandbags. Step 5 Load the weapon with a full magazine and fire one round at the center of the target.
Use the spotting binoculars or spotting scope to locate the POI. Step 6 Approximate the vertical distance from the hole to the center of the target by counting the squares. If the POI is high, then turn it in the D direction. Step 7 Approximate the horizontal distance from the hole to the center of the target.
If the POI is to the left, turn the screw in the R direction. If the POI is to the right, then turn it in the L direction. Step 8 Fire another round at the center of the target and repeat the adjustment steps if necessary. Step 9 Replace the target with a fresh one and fire 10 rounds at the center of the target. Tips If one of your rounds strikes the target in a wildly different position during your zero, ignore it and fire another round.
The previous round was probably defective. If the next round does the same thing, remove and remount the ACOG and start the process over. Aim the ACOG using the point indicated in the instructions for the battle zero. Normally this would be the top point of the bullet drop compensator post.
If you remove your ACOG after a successful zero, you can remount it in the same location on the weapon rails and keep that zero. Always confirm your zero after a remount. About the Author A native of New Orleans, Derek Brown is a professional jeweler and jewelry designer with a passion for writing.
25 Meter Zeroing Targets
Look inside the receiver to verify the weapon is unloaded. Tightening the screws with your fingers. Tighten the screws another one-quarter turn using the screwdriver. Load the weapon with one round, aim it at the backstop or dirt berm, and fire one round. This will set the ACOG in place, so recoil will not affect your zero. Step 4 Set up the weapon rest or sandbags on the table. Unload the weapon and set it aside.
M4 ACOG ZERO TARGET PDF
This position of the borelight, and where the visible laser is pointing, is identified as the start point. The optic is not parallax free, so you may notice slight changes, make every attempt to not change your cheek to stock weld when using that optic. I aim between the ironsight and the chevron. Share This Page Tweet. Where do you aim with the ACOG? Question for those who might know. The soldier chooses which field of view to use to scan and engage targets.
How to Zero an ACOG Sight