Yes as long as the end is flat and not angled and the material is subject to magnetism.
The Sightmark OPMOD 1.0 Limited Edition Green Universal Magnetic Boresight will work with a rifle chambered in 7mm cartridge like 7mm Rem Mag as well as .308 Winchester.
Please email us at techsales@opticsplanet.com in regards to the the Sightmark OPMOD 1.0 Limited Edition Green Universal Magnetic Boresight.
Since it attaches itself to the flat end of the barrel and is " universal " it would seem that as long as your barrel was flat and susceptible
to the magnetic pull of the site that it would work.
Please email us at techsales@opticsplanet.com and we can further assist you.
Please email us at techsales@opticsplanet.com so we can further answer your question.
This takes three CR2 batteries.
That is correct, however the vast majority of barrels are trued so it is typically not an option.
It is approximately 5mW.
Yes, it should work fine on a 12 ga shotgun.