Question about Trijicon ACOG Rifle Scope 4X 32 Matte Docter Sight
Picked up an older used ACOG. Elevation adjustment is fine but the windage adjustment will not move the point of impact far enough to the left. Is there a way to internally or externally adjust the windage screw so that the point of impact is about half way through the adjuster's threads?
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Posted on Jan 02, 2017
for basic instructions on how to use and get familliar with a scope go to
They provide a fairly easy guide to follow but you should make sure to take these steps
1) First take the training there is, lol then re take it as its alot of information
2) the first range you go to should be A (there are standard environmental conditions here, which is
what your range card is based on so no environmental data to worry about :) other than wind and range)
This is a good software to obtain howerver you do it (i know it is dl'able but thats dangerous now adays and you shouldnt download games or software this is "cracked" (where the anti piracy part of the software has be removed) because the people who are loosing money to this have a "mis information campaign" going on. What this means is the people who write software or sell a product now adays have started distributing for free their software, but in it is some mean virus'. Although this is illegal, it isnt in the country its set up in and you cant complain you stole a program. :S so it is best to just buy things now adays.
another invaluable tool as a shooter is an exterior ballistics software. These programs are quick and easy to use once your familiar with them and accurate to within 2" over 1800 yards :) (more often your shot will be off because you read the wind wrong)
even if you dont want to "use a computer" to shoot. this software in 2 mins will setup your Range card for the day (as it varies with humidity temperature barometric pressure and elevation from sea level) this means that instead of modifying your 1 range card @ standard atmoshperic conditions with complicated math (taht adds to the error factor) each shot and each day you only have to set up the program with values and it prints a range card w set increments (if you drag your lap top or mini laptop or w/e to the field or range you can use it each shot setting the range as the increment gives EXACT VALUES for the shot litterally ask the computer how to shoot and it will tell you.
Another popular and highly innovative product is the iPhone! it has an app that can be downloaded onto it for like 15$ that is a ballistics software. then, with some precision engineered mounts, its side mounted on the gun and even displays the rifles angle of elevation or depression as you aim!
anymore questions let me know
Posted on Apr 10, 2009
I doubt if there is anything wrong with your scope.
The Baraska model A10810 Reticle adjustments are 1/8 ( 1/8 inch) MOA (minute of angle).
For instance, Look at the top turret (The ELEVATION Adjustment Knob). You will see that there are little vertical 'hashmarks' all the way around the knob starting with a '0' then a series of the verticle hashmarks, then a '1' and another series of the marks, then a '2' and so on. YOUR scope will have 8 of those vertical 'hashmarks' between each 'number'. These little 'hashmarks are referred to as 'Clicks' or 'Minute of Angle' adjustments.
Now imagine that you are set up on the 100 yard line and you have fired a round at your target, say a one inch diameter dot or any size for that matter, and the bullet strike was one (1) inch LOW and two (2) inches to the RIGHT and of course you now want your next round to impact in the target dot.
To bring your bullets point of impact UP to coincide with your point of aim (you have your 'crosshairs or RETICLES centered on the dot), you will be turning the TOP adjustment knob CLOCKWISE, ONE 'click' at a time. EACH one of those 'Clicks' will actually move the horizontal Reticle UP (Elevation) or DOWN 1/8 of an inch at a time. If the bullets point of impact was 1 inch LOW, you would need to turn the adjustment knob clockwise Eight (8) clicks which will equal ONE (1) inch.
Now you must adjust the knob on the RIGHT side of the scope. This one is the WINDAGE Adjustment knob which controls the VERTICAL Reticle and moves the point of impact Right or Left. This knob will also have the 'hashmark' increments around its perimeter and like the Elevation knob each 'Click' will move the Reticle 1/8 of an inch but in this case the Reticle and point of impact moves Right or Left.
Remember the bullets point of impact was 2 inches to the RIGHT. This means you must adjust the Reticle or point of impact to the LEFT so that your point of impact will coincide with your point of aim and will be in the target dot. Turn the adjustment knob COUNTER CLOCKWISE Sixteen (16) Clicks. Keeping your POINT of AIM (crosshairs centered on the dot), your next round should be inside the dot and you can then fine tune it from there.
As you can see from this example, the Reticle (crosshairs)and point of impact does not travel very far at all inside your scope at the 100 yard distance so it is not hard to imagine that you thought they were not adjusting to get you on target, when in fact they WERE adjusting, but in tiny increments.
Now, as you create more distance between you and your target, these 'tiny' increments and point of impact will be larger as your distance increases. For example, at 200 YARDS each 'click' will move your Point Of Impact 1/4 of an inch right,left,up, or down. So if your bullet point of impact was one (1) inch low from the 200 yd line you would adjust your Elevation Reticle 4 Clicks to raise your point of impact in order to be on target. At the 300 yd line each Click will adjust the point of impact up,down,right or left, ONE (1) inch.
If you wish, I would be happy to walk you through the 'ZEROing In' of your scope and rifle even if you do not have a Zero Bore Scope. With-in about 9 rounds you can be hitting where you are aiming instead of 'chasing' bullet holes all over the paper.
If you are interested, respond back and I will be glad to assist you. Enjoy. :)
Posted on Apr 28, 2009
Sounds like you want to "re-sight" in your rifle. Make sure mounts are okay and tight. Look down barrel and then thru scope and eyeball windage and elevation adjustments so the scope seems to be fairly in line.
Clean barrel if it needs it.
For basic sight in, start at 25 yards with a large(3 to 4 feet) cardboard or wood backdrop around target (bullseye). Fire at target. Once done, look through scope and position rifle such that the shot mark you created is dead zero. Hold rifle very steady and you or buddy move windage and elevation adjustments until scope moves dead zero back toward original target (bullseye). Fine tune from there. Air cool rifle between rounds. Once dead eye, fire another round or two to check grouping. Check your ballistics (sometimes on ammo box) to see how height at 25 yards affects your desired dead on target (100 yards, 150 yards, 250 yards etc.). Adjust accordingly. Example: you may need to sight in at an inch high at 25 yards, depending on your dead on target distance..
Always remove sling from barrel when sighting in.
Try to sight in at similar temperature as you intended shooting temperatures, if possible.
If not black powder, avoid cleaning barrel between sight in and hunt/competition unless you note bad buildup inside.
If you change ammo, understand that that may affect performance. Once a preferred ammo is found, some even try to buy a decent quantity with the same lot number on the boxes if storage allows for such.
Posted on May 04, 2009
Bushnell sells nylon inserts for scope rings that fit inside of the scope rings and will affect the height of the ring to correct the problem. If you install them on the front scope ring, it will correct it and realign the rings correctly. It appears that the front ring towards the muzzle is not as high as the rear ring near the breach. This is why that even though the scope's adjustment is elevated as high as it will go, it is still hitting low because it is actually pointing down because apparently the rear ring is higher off the barrel than the front ring. The Bushnell inserts can correct this.
Posted on Sep 01, 2009
If you've mounted the firearm in a shooting vise and can still verify it isn't moving there's not much to do but send it back to trijicon. If it's less than 30 days old you could take it back where you purchased it and they would most likely exchange it as defective.
hope this helps, Mark the Gunsmith
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Posted on Dec 30, 2009
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