Boresights

I have a Bushnell that gets me on paper. But it can't compensate for scope height above barrel. Very useful but has major limitations. I can zero in one or two shots if my scope is mounted at 1.5-2.0 inches above barrel with the boresighter. A plumb line at 100 or farther can do a better job. Boresighters don't help much with getting a true barrel alignment but get you close for paper. Cheers
 
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I place a soccer ball or something at the furthest corner of my yard. Then place rifle on rest on dining room table. Line up the soccer ball through the bore. Then dial scope. Cheep and easy.

But one of my favourite parts of going to the range is watching people send 5 dollar bills down range trying to get on paper. Sooo don’t tell everyone.
 
I use the old and trusty Bushnell and it works great!
I've tried the laser bore sights. I can't get the laser dots to stay true. If I rotate the sight,the dot moves in a circle around the target. It should NOT move,at all. It was different every time I set it up,so,I shelved it and went back to the bore mandrill/screen style. I haven't found one better,yet.
 
I've used a laser set for about 10 years. If the sight can rotate it is not in tightly, thus the moving dot. I use mine in the back yard at 25-yds near dusk, makes the laser dot more visible. Always on paper at 50 after that.
 
I have a Bushnell, works good but has limitations.
It’s non adjustable for the height above the bore, the spigots are too short for guns with muzzle devices and they can turn fairly easily.
2 out of 3 of those issues are fairly easy to fix; remove the muzzle device and be gentle while using it. The height is baked in so that’s incurable but it’s designed for a normal hunting scope/rifle height combination, the only times I’ve found it wanting is on large high magnification scopes on top of high rails or AR style platforms. I use mine a fair amount.
I have a laser bore sighter as well and it works but more set up time and more time on paper, at least for me. I hang a plumb bob at the furthest distance I can in the basement (about 25’) and level the gun and crosshairs as best I can against it then put a piece of painters tape on the wall where the dot lands and put a dot there then adjust the crosshairs to be above it by the height of the scope above the bore - 1.5” or so depending on the gun combo.
In both cases being level is super important and I recently bought a knock off Wheeler leveling tool kit off Amazon, best $25 I’ve spent in awhile.
At the range I always set my targets at 25 and 100 yards with a larger clean cardboard backer. First poke at 25 and once centered and around 2” low I move to 100 and group from there.
Doesn’t take much ammo to zero them so it seems to work for me.
I’d buy the Bushnell tool again if I needed one, if there was a better version with height adjustment I’d likely buy that as well.
 
I have an el cheapo little amazon green laser unit. it does the job, i set it up in the long room in the basement, about 7-8 yards, put a post it on the wall, and set my point of aim about 2 inches high at that distance, has gotten me on paper with 3-4 different guns, and was dead nuts zeroing my shotgun red dot. probably more than covered the ammo I would've wasted trying to get on paper.
 
I've had no problem bore-sighting (with bolt-actions) without any mechanical aid. Just set the rifle in a solid rest and place a distant aiming point (something at least a couple of hundred yards, if available) in the center of the bore. Then adjust the scope to the aiming point. It should get you a bit low and on laterally at 100 yds and the fine-tuning can begin.

milsurpo
 
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