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At 200 yards the scope is printing 5 inches to the left but all the way out to 150 it is right on.

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Are you trying to shoot farther then the rifle/bullet can shoot to be dead on? 5 in out in 50 yds is a very long way out? could this be down to bullet drift

Posted on Nov 26, 2010

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Where do i need to hit at with a 257 roberts at 200 yr with 117gr


You should be 3 inch's hi at 125 yards with the 117gr bullet which should put you 2 inch low at 270 yards. Or with a 200 yard zero you will be 2 inch's hi at 100 yards and a full 7 inch's low at 300. Kind of does not add up but has to do with the bullet rise at a 125yard +3 inch trajectory.

Sep 12, 2011 | Optics

1 Answer

HAVE A PRONGHORN TASCO MOUNTED ON SAVAGE 22 BOLT. SIGHTS IN OKAY AT 10 YARDS AND THEN IS HIGH AT 25. IS THERE AN ADJUSTMENT INTERNALLY IN SCOPE TO FIX THIS?


No, this is not a scope issue. The scope is raised above the centerline of the barrel, thus at 10 yards, the barrell is actually slightly raised in relation to the centerline of the scope in order to hit your point of aim. Since the front of the barrel is slightly inclined, at 25 yards the bullet is still rising in relation to the scope alignment. Backing up to 50 yards you will begin to see the bullet start to drop back down, at 100 yards it may drop as much as 8-10 inches, and at 200 yards, it may drop as much as 52 inches. This is assuming that you are shooting a standard velocity .22 long rifle cartridge (1050 feet per second or so).

Sep 10, 2010 | Tasco Pronghorn 3-9x50mm 30/30 Riflescope...

1 Answer

I zeroed in my 25/06 at 100 yards. at 200 yards 1/4 inch high using 2nd line on drop compensator , at 300 yards shot 41/2 inches high using 3rd line on compensator. What am I ding wrong


It sounds good to me, don't forget, the 25-06 is a flat shooting round, you have your scope pointing up, the bullet crosses the line of sight twice, One at 100 yrds, your zero and the other on it's way down at about 500 yards. You can check the ballistic coefficient of that bullet and see where you need to be zeroing it in at. I would think about 250 yards, will be 1 1/2 low at 100 yards, 3/4 inches low at 200 yards, dead on at 250, then it will start coming down, say 8 inches low at 400 and 18 inches low at 500. Something like that. So your BDC will not be needed till you reach out past 300 yards, which is varmint country stuff. I have my .22 marlin sighted in at 100 yards, and it will put the lights out on anything at that range. You can probably find the charts on line someplace, if you don't have a reloading manual. Check it out.

Jul 12, 2010 | Pentax 4-12x40 Gameseeker Rifle Scope...

1 Answer

Hi, I have a TASCO TITAN, 3-9x42, How do I re'paralax it to 35yds


I don't know if your parallax is adj, usually something that comes with the scope, set for around 100 yards. Set up your rifle in sand bags, look at a target at 100 yards, without moving the rifle, move you head left and right , up and down, and see if the cross hairs move off target, No? good, now try it again at 25, 50, 75, etc, where ever it is the least movement is your most accurate range. Some scopes will move 4 to 5 inches off. Not good.

Mar 01, 2010 | Optics

2 Answers

My Weaver Classic riflescope is maxxed out for elevation


I don't think the tube holding the cross hairs will go up that high, and shimming the front base, I don't know. What you need is a new cross hair with the dots below the cross, They will raise your line of sight past the 350 zero. Or,,,,, just put the cross at the top of your target, 600 yards without the right scope is a long shot. I hope you have a heavy barrel target rifle in 308 or bigger. My M42 is unbelievable, but, It will shoot better than me all day long and I rarely go over 200 yards. I tried the 600 yard line once, didn't like it. Oh I could hit the target, but I like hitting doorknobs at 200 yards better. What are you shooting anyway? I hope your not trying to stretch out a 223 to the max.

Mar 01, 2010 | Bushnell BANNER RIFLE SCOPEPower: 3-9X40 /...

1 Answer

How to set my bushnell scope 3-9x40 for 200 yards


The Bushnell 3-9X40 has been around for quite some time in several forms, but it is pretty standard to set it like any other scope.

With the gun resting solidly on sand bags or something like a Lead Sled, shoot at a target with a 1" grid on it. Those targets are a free download at http://targetz.com/, but you have to browse to find them. Targets No: 10049 or 10058 are both usable, if you can see a 1" aiming point with a 9 power scope at 200 yards.

With a known point of impact (POI) at 200 yards, you can move the POI to where you want it (inside the caps at the center of the scope, there are adjusting screws or slots). The norm is 1/4" per click (the adjuster can usually be felt to click) at 100 yards or four 1/4" clicks for an inch. At 200 yards, the adjustment will be twice what it is at 100 yards or 1/2" per click.

Make your adjustments, using the grid on the target to tell you how many inches it needs to move, and shoot the target again to confirm the adjustment is correct. It's pretty standard to shoot at least a three shot group to ensure the bullets are reasonably close to each other.

Another method is to set the POI at a certain number of inches high at 100 yards and assume it's right at 200 yards. If the mid range trajectory, for your cartridge, at 200 yards is X inches high at 100 yards, you can set your POI to that X inches high and be pretty close at 200 yards.

Nov 07, 2009 | Bushnell Trophy 3-9x40 Rifle Scope, Matte...

1 Answer

I can shoot my centerpoint scope on my .22 and it


When adjusting a scope just move a few clicks at the time, after every few clicks tap the scope with a screw driver handle. Fire 2 rounds for group tap and fire the third round it should be in line with the 2. Keep that up till on target. Let the gun sit till cold and re-fire for grouping, 2 rounds, wait then the third. To keep shooting round after round can get the reciver warm enough to wedge the scope in its bases, causing your problem. 

Oct 13, 2009 | Optics

2 Answers

Windage and elevation not working barska 8-32*50mm


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. :)

Apr 07, 2009 | Optics

1 Answer

Gun always off


Your scope may be getting banged around? You may want to check your base and ring screws to ensure they are snug. I don't see a lay off affecting the stock or barrel. You may also want to check the action screws to see if they are torqued consistently.

Mar 14, 2009 | Bushnell Optics

2 Answers

I have a Bushnell Sprotiew 4x, 15mm scope mounted on a Mossburg .22 rifle. My shots are hitting left six inches and low. Can you please tell me how to adjust this scope? Thank you.


Keep in mind Diane this is for a set distance. if you are taking a shot at a target further than your are set for (ie a target you wont get 3 shots @) remember how the bullet is travelling as it goes down range

one idea would be to set your rifle up down range and zero it in on a target (preferably paper) now adjust 1 MOA (try and have target @ 100 yards and 200 yards)

see how far the bullet moves for each moa adjustment. then check it against the next range.

this should remain constant @ a set number of inches per 100 yards.

so if you zero in @ 100 yards and then move 1 moa any direction and it adjusts (lets say and hope it is 1.047 inches") then you do the same for 200 yards. it should be twice as much movement. ie 2.094"

once you know what 1 moa represents on your scope you can adjust alot more accurately.

REMEBER the total inches of movement / adjustment per MOA is directly related to range (a precise range helps in shooting) so if your squirrel is 150 yards and your first shot is off 9" to adjust you divide 9" by the inches per moa so 1.5 (150 yards /100) X (Inches per 100 yards per moa you measured hopefully 1.047") its 9" divided by 2x1.047 = 9" / 2.094 = 4.29799

this number needs to be rounded to the nearest click on your scope (most are 1/4 MOA scopes and you can tell by looking at how many clicks/lines are inbewteen each large number on your windage and elevation dials

so to turn this into an adjustment we round 4.29799 to 4.25 which is 4.25 MOA or 17 clicks on a 1/4 min scope.

GL and any questions just post and ill help

not please rate this as fixya :)

Note i can provide EXACT information that would allow you to determine range, and windage and elevation adjustments by looking through scope and estimating range
then factoring in weather variables. NOTE you hafta enjoy math or just want to know how to shoot really well. :)


Dec 22, 2008 | Barska Optics Barska 10-40x50 Ao Varmint...

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