WheelerBore Guide with Precision CNC Alumunium, Solvent Port, and Durable Anodized Finish for Gunsmithing, Shooting Sports

The 300 AAC blackout AR and the 5.56 AR are very similar but also different. I have a Wheeler bore guide for my 5.56 and for my 308 and I absolutely love them! So when I got my 300 AAC blackout I just had to get a Wheeler bore guide for it too. Once again I am very happy with my wheeler bore guides.

I use bore guides for all of my AR type calibers. This product works well.

Great seller and great price

This is a great product I think a little high priced. I think mine may have been defective. It had a small step in the chamber end that wouldn't let a 30 caliber Jag through had to drill it out a little bit but it works great now. A little tip for it to go in all the way you have to remove the charging handle. Great design I like the way that it locks in place with a dust cover.

This works well for my 300 BO. It fits well. Made well. Does not have a port to add solvent. Would be 5 star if it had this port. Other wise things up. Hint, keep this rolled up in a cloth. I keep mine in my range tool box. Sont want to ding it up or scratch it. This is nice anodized aluminum .

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This will work on 30 call and smaller. I use this for my 300blk and .223 and it works great for both.

Just finished a build of a 7.62x39 AR. This device fits perfectly into the upper without forcing it into place and it accommodates a J Dewey nylon coated cleaning rod meant for .30 caliber (Model 30C-36). This is a quality built bore guide that will protect the barrel as designed whether using a jag or a nylon or brass brush.