Product Description
The Sightmark Laser Bore Sight provides the most convenient and accurate method for sighting in rifles of all types. Simply chamber the bore sight like a regular bullet and a laser dot will show exactly where the rifle is aiming; it’s easy to sight in any scope without firing a single shot. Live fire is only needed to fine tune the weapon being sighted in order to compensate for inconsistencies, such as bullet drop due to distance. Perfect for hunters, competitive shooters and law enforcement, the Sightmark laser bore sight is sure to take the frustration out of sighting in almost any gun. It’s easy to use and will quickly save both time and money by avoiding prolonged live fire tests at the range; use the extra ammo for honing those shooting skills and for the hunt. A lightweight carrying pouch protects the laser for convenient use in the field. The Sightmark laser bore sight is available in several calibers and gages for use with all the most popular rifles and shotguns.
| Price: | $54.99 |
| as of Thu, 21 Feb 2013 05:53:49 GMT ***Remember, deals price on this item for sale just for limited time*** | |
Product Details
- Amazon Sales Rank: #9834 in Sports & Outdoors
- Brand: Sightmark
- Model: SM39021
- Released on: 2011-03-02
- Number of items: 1
- Dimensions: 4.50" h x 2.00" w x 1.50" l,
Features
- Precision accuracy
- Fastest gun zeroing and sighting system
- Reduce wasted cartridges and shells
- Easy to pack and travel
- Comes with a carrying case
Customer Reviews
Most helpful customer reviews
39 of 42 people found the following review helpful.
By DarthRad
I've uploaded some photos to let you see what this 22LR boresight looks like and how it works, since the Amazon photo does not clearly show the 22LR boresight.
Basically, unlike the other Sightmark boresights, the 22LR "bullet" that goes into the gun's breech contains only the laser, as the 22LR form factor is too small to hold any batteries. A one foot long wire connects the 22LR Sightmark "bullet" with a battery box outside of the gun. The box holds two AAA batteries and has an on-off switch.
The AAA batteries are cheaper and longer lasting and save you the trouble of getting extra silver oxide button batteries, used by the other Sightmarks. However, the design raises several other issues, especially with 22LR pistols that use a slide action.
The laser "bullet" is longer than a 22LR round. This extra length keeps the bolt from closing the chamber and shearing off the wire. Still, the wire looks delicate and flimsy and there is a potential durability issue here of the wire eventually breaking after extensive use.
The Sightmark boresight works fine for non-slide action pistols such as the Ruger 22LR pistols. It would work fine for 22LR rifles also.
In 22LR pistols with a slide action (e.g., the Walther P22), the iron sights, slide action, and bolt are all mechanically linked together and move together. Some slide action pistols also have a barrel that tilts in a movement linked with the position of the bolt and slide (the P22 barrel doesn't tilt).
Since the 22LR Sightmark boresight does not allow the bolt to close completely (see uploaded photo), there is the potential for the laser boresight to not be pointing in the final alignment of the iron sights and slide-barrel combination when the slide is fully closed in these pistols.
Still, the potential for mis-alignment would be mostly in the up-down direction. Using the 22LR Sightmark boresight in my P22, I found that the sights were aimed slightly to the left of the laser dot. The P22 fortunately has an adjustable rear sight (or maybe this was why it was mis-aligned in the first place).
And so because this 22LR Sitemark boresight keeps the bolt from closing completely, its accuracy for slide action pistols is a bit uncertain. It will work fine for all other guns where the position of the bolt is not linked to the rest of the gun's frame, barrel, or sighting mechanism.
7 of 8 people found the following review helpful.
By Jon
This boresight worked great for sighting in my ruger rifle and my walther pistol. You have to be easy with it though. The small wire out of the side looks very fragile. If it gets pinned in the barrel you will definately need something to push it out through the barrel. Do not try to pull it out with the wire.
4 of 4 people found the following review helpful.
By Gregg R Thomas
Wobbled in the chamber, didn't point down the center of the barrel, I couldn't use it so I sent it back.
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