Bore sight Lazer way off when rifle is zeroed

Hey team trying to get my head around this one, when I bore sight my rifle with the Lazer I get the scope pretty much bang on. Take it to the farm and puts some rounds through it at 100m then 50m and I'm way way off (about a ft left and high). I spent some time getting it to hit paper then get it zeroed. Put the Lazer bore sight in it when i got home and at 20m the dot of the Lazer is about 3 inches low and right of where my cross hairs are.
Rifle is a Ruger American .308 w/ Burris E1
Is this normal or anything you guys have come across before?
Cheers

The lazers are rubbish bro

Good boresight should have you on a4 paper at 100Y

edit to add they are only good on sharks in movies

I’ve not heard much good about laser bore sights. Never used one though


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Waste of time. I use a colometer and that gets it pretty close but still need to shoot it to fine tune it.

Bore sight lasers are a sales gimmick and a complete waste of time.

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Originally Posted by blip

Waste of time. I use a colometer and that gets it pretty close but still need to shoot it to fine tune it.

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Never heard of a colometer. What is it?


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Unless your using your laser boresight at the range your shooting at it will be miles off.
You need to work out how far below the cross hairs the laser will be at your laser zero range.
Last time I used one, the laser dot was 3" low and .25" right at 10m but pretty close to bang on at 100m

I've got 1 that fits in the muzzle and it was way off when new but it is spot on after I tuned it. I put in the lathe and rotated the chuck to show a big circle on the wall, simply adjust the 2 screws to get the dot in the centre of that circle. Spin the chuck again and the dot should remain on the same point.
This doesn't allow for ballistics but has got every rifle on paper first shot.

Cheers everyone. Will get rid of the lazer and just roll with how it's zeroed at the moment.

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Originally Posted by HOO

Never heard of a colometer. What is it?


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It goes in the muzzle end of rifle and has what kind of looks like half a scope on it when you look through scope you can see a grid that you adjust scope to. Some people seem to have a knack of bore sighting by looking through barrel but i suck at that. Tried a laser and that was shit colometer works for me

Colometer got my rifle about 2" from the centre of the target at 100m. Definitely a good product

Identify your target beyond all doubt because you never miss (right?) and I'll be missed.

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Originally Posted by BenM

Hey team trying to get my head around this one, when I bore sight my rifle with the Lazer I get the scope pretty much bang on. Take it to the farm and puts some rounds through it at 100m then 50m and I'm way way off (about a ft left and high). I spent some time getting it to hit paper then get it zeroed. Put the Lazer bore sight in it when i got home and at 20m the dot of the Lazer is about 3 inches low and right of where my cross hairs are.
Rifle is a Ruger American .308 w/ Burris E1
Is this normal or anything you guys have come across before?
Cheers

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it will at best get yo on paper and save you a few rounds sighting in thats it

They are bloody useless. I've always eyeball bore sighted and can get on to the target at 100yds with first shot. Although @No good names left has nailed the issue with them. If you have one, roll it along a flat surface and watch the large circle it draws on a wall.

To bore sight I use an insulator on the power pole in the neighbours paddock, about 100 metres away, as the target to bore sight. I then add a few clicks of elevation and I'm good to go at 100yds.

However, I do own a laser but the only reason I bought it was to speed up setting up my optical chrony, when I had one.
Otherwise I'm pretty adverse to putting anything in the muzzle.
I nearly had a disaster once when setting up my chrony, I forgot to remove the laser. A the last minute I realised the laser was still in the muzzle. And by last minute I mean I was behind the rifle ready to chamber a round. After that I developed a practice of removing the laser from its plastic box and then sitting the bolt on top of the box in the laser's place.

I've also got a Leupold collimator. Long since discontinued by Leupold. I wonder why. It attaches to the muzzle magnetically. It give a different result from rifle to rifle so not reliable either. And no, my muzzles are not on thepiss.

I alway chuckle to myself if I'm in a gunshop and a staff memebr is setting up a scope for a customer using a laser. Few boxes of ammo probably sold at the same time.

Forget the laser, just a cheap, rubbish gimmick.
Learn proper boresighting by taking ths bolt out and sighting down / through the bore, get it centred on your 50 yds bullseye. Hold the rifle steady in that position and adjust your crosshairs to match. Then shoot. With great luck you will have it good with the first shot. Usually though it's off, but close and a minor scope adjustment gets it spot on. Then check POI at longer distances, adjusting scope for your preferred zero.

The next thing to learn is once you have a couple of shots on the target, and if the shots are a wee ways from your aiming mark, position your crosshair on your aiming mark, and without moving the rifle, adjust the crosshair to point at the shots fired.
Be aware, it can be confusing, as the turrets will appear to indicate crosshair movement opposite to the arrows on the turrets.
Once near the desired aiming mark, adjust using the grid on the target, if using that type of target.

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Originally Posted by HOO

Never heard of a colometer. What is it?


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bore sighter...a thing you poke on muzzle end that gives you a grid when look through scope....

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Originally Posted by Micky Duck

bore sighter...a thing you poke on muzzle end that gives you a grid when look through scope....

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I thought it sounded like something you poke up your date to have a look what’s going on


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Originally Posted by 30.06king

Forget the laser, just a cheap, rubbish gimmick.
Learn proper boresighting by taking ths bolt out and sighting down / through the bore, get it centred on your 50 yds bullseye. Hold the rifle steady in that position and adjust your crosshairs to match. Then shoot. With great luck you will have it good with the first shot. Usually though it's off, but close and a minor scope adjustment gets it spot on. Then check POI at longer distances, adjusting scope for your preferred zero.

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one of the black n decker workmate benches make this a doddle to do...you can clamp the rifle in place look through bore and move Xhairs..... AND if yo utake it to range...fire your 2 or 3 shots... put rifle back in vice...move whole bench till Xhairs are back on target..eg on bulls eye... then with rifle held firmly by bench...move the Xhairs via scope adjustment till they are in centre of where your shots landed...job done. it is also very good for seeting up the lazer on rifle to Xhairs...just keep it pointed onto dark surface and look through scope and move lazer across till lines up with Xhair....

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Originally Posted by zimmer

The next thing to learn is once you have a couple of shots on the target, and if the shots are a wee ways from your aiming mark, position your crosshair on your aiming mark, and without moving the rifle, adjust the crosshair to point at the shots fired.
Be aware, it can be confusing, as the turrets will appear to indicate crosshair movement opposite to the arrows on the turrets.
Once near the desired aiming mark, adjust using the grid on the target, if using that type of target.

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This. After bore/collimator sighting this method cost me 3 rounds to zero my rifle, and I'd never done it before, let alone fired a centrefire. That's how easy it is. Even a schmuck like me could do it.


Identify your target beyond all doubt because you never miss (right?) and I'll be missed.

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Originally Posted by Micky Duck

one of the black n decker workmate benches make this a doddle to do...you can clamp the rifle in place look through bore and move Xhairs..... AND if yo utake it to range...fire your 2 or 3 shots... put rifle back in vice...move whole bench till Xhairs are back on target..eg on bulls eye... then with rifle held firmly by bench...move the Xhairs via scope adjustment till they are in centre of where your shots landed...job done. it is also very good for seeting up the lazer on rifle to Xhairs...just keep it pointed onto dark surface and look through scope and move lazer across till lines up with Xhair....

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Great advice. That would work a treat.

However a FFP scope is the ultimate solution.
Easy as.

All good info above wish I had it many years ago starting out!

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Originally Posted by Moutere

However a FFP scope is the ultimate solution.
Easy as.

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Using a small ruler to measure POI from POA in conjunction with understanding the adjustment values on any other scope makes the process far simpler and quicker also.

leave that to medical professionals and you have had sufficient drugs

I use the old lemon on the tree at 30 yards trick:thumbsup:

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Originally Posted by HOO

I thought it sounded like something you poke up your date to have a look what’s going on


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They come with a range of adapters mine goes up to 50 cal if thats your size :)

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Originally Posted by HOO

I thought it sounded like something you poke up your date to have a look what’s going on


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ohhh if ya doctor has a cross hair on it ya likely in deep shit indeed

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Originally Posted by blip

They come with a range of adapters mine goes up to 50 cal if thats your size :)

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That’ll be like rolling a sausage down the hallway


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Thought you might suddenly become a 17 once you start poking around

I do it the old way picking a small point roughly 25yrds out. Put a small piece of black insulation tape on the fence. Look down the bore and centre said piece of tape in centre of bore. With the rifle held in that position with no movement, adjust the scope to also to be on the tape. Keep checking both the centre of the bore and the crosshairs line up with tape. Should at least get you on paper at 100yrds when shooting.
Final adjustments from there.

I to find the lasers pretty hopeless. In both the gun shops I've worked in we've used a collimator and had pretty good results.

At home I typically just look down the bore and line it up with something. If it's a 6.5mm or bigger I'll often get an empty case and push the primer out then look through the flash hole.

As @199p said, just give it to a shark that needs a fricken lazer beam. That way at least the shark will be happy, cause tha'ts all those things are good for: scary stuff in the movies

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Originally Posted by XR500

As @199p said, just give it to a shark that needs a fricken lazer beam. That way at least the shark will be happy, cause tha'ts all those things are good for: scary stuff in the movies

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and taunting the cat.....

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Originally Posted by Micky Duck

bore sighter...a thing you poke on muzzle end that gives you a grid when look through scope....

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I have a Leupold one.
It's not accurate, as in if I dial on to the zero, the rifle will be way off. But if I put it on a sighted rifle and remember where the crosshair sits on the grid, and use that reference on another rifle it gets me on the paper. It's handy for checking your zero without firing a shot if you can remember the reference point.
Bearing mind different loads often shoot to different points in the same rifle, never take anyone's word that boresiters are the bees knees.

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Originally Posted by Micky Duck

and taunting the cat.....

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You need to up your game Micky.
17 HMR is much better for taunting cats.

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Originally Posted by 7mmwsm

You need to up your game Micky.
17 HMR is much better for taunting cats.

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and 12 gauge no 2 fiochi is final

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Originally Posted by 7mmwsm

You need to up your game Micky.
17 HMR is much better for taunting cats.

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bit hard on the longue furniture all the same...

The bore mounted lasers are shit. Only laser I still have is the type that is mounted in a pseudo cartridge and shines through the length of the bore. Barely bother with them now though because by the time I faff about and find it I would have finished using the eyeometer

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Originally Posted by Gibo

I use the old lemon on the tree at 30 yards trick[emoji106]

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Seen you shoot that lemons safe as [emoji1787]

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My process is similar to most, set the gun up stable with a bipod and rear bag, I use a un primed case in the action it gives your eye a better center than looking down the bore and a red bucket at 100 yards get you on the paper every time.

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