I have the Sight Light that goes in the breech instead of the muzzle and it'll get you close. But, as with any boresighter, you'll still have to do some fine-tuning to get a good zero. They will save you some cash on ammo, but some people put too much faith in them.
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T/C!! If you need more than one shot, you need more practice!
WHICH LAZER BORE SIGHT
