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Sightmark .40 S&W In-Chamber Laser Boresight
Item No. 210416
Sightmark .40 S&W In-Chamber Laser Boresight is rated 1.3 out of 5 by 3.
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Sightmark .40 S&W In-Chamber Laser Boresight
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Sightmark .40 S&W In-Chamber Laser Boresight

Sightmark .40 S&W In-Chamber Laser Boresight is rated 1.3 out of 5 by 3.
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Item No. 210416
$29.97
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Additional Information
The Sightmark Laser Boresight provides the most convenient and accurate method for sighting in rifles of all types. Simply chamber the boresight 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 boresight 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.
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  • Fastest gun zeroing and sighting system
  • Reduce wasted cartridges and shells
  • Compact and lightweight
  • Easy to pack and travel
Model Number SM39016
Unit Weight 0.14 lb
Brand Sightmark
Rated 1 out of 5 by from World's dimmest laser Fits chamber very well, but laser is to dim to be of use. Cannot see laser spot indoors at night on wall about 20 feet away. Do not waste your money.
Date published: 2016-04-03
Rated 1 out of 5 by from Good concept, not so good implementation Bought the device to help me practice with sight characteristics of a new S&W M&P Pro 40. The problem is manufacturing the device to the specifications required for the chamber. If you install the device you will find that it is never the same each time. The laser will point left, right, up, down, depending on how the device was rotated when chambered. Good idea, just not easy to implement apparently.
Date published: 2013-10-05
Rated 2 out of 5 by from Not close enough I have a Glock 22 that shoots tight, accurate groups. I'm looking to upgrade my iron sights, but before changing them out I wanted to have a device to witness the current sights to make sure the new are installed as close to the old as possible. I purchased this product for this particular application. Once installed, I was a little shocked to see the laser 8" to the right of where I was aiming when about 25' away. Rotating the unit in the chamber did not help. Thinking about it more, I realized the extractor was pushing the unit to one side in Glock's notoriously loose chamber, causing it to point askew. Removing the extractor temporarily helped, but confidence is down in the product enough not to trust it. Bottom line, the product worked, and may be a good solution to someone else's application, but in my application I wish I would have thought it through a little more before making the purchase.
Date published: 2014-12-29
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