Fits AR's 5.56 to .30 caliber
View Written Installation Instructions.
Works on any receiver designed around the standard AR15/M16 bolt carrier diameter, or any AR15 with a bore diameter of .308” or smaller.
If the bore diameter is bigger than .308”, you won’t be able to get a jag with a patch on it to go through our bore guide.
WARNING-Cancer and Reproductive Harm – www.P65Warnings.ca.gov
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One of the best built bore guide I have ever used. It fit perfectly on both my ARS and really helps in preventing excess cleaning solutions dripping into the lower receiver.