My Dewey AR10 .308 bore guide arrived today from Optics Planet. Delivered on time and in pristine condition.
I am impressed with the craftsmanship and how well it fits my S&W M&P10 .308.
The 10 inch total length is just right.
About 5/8" of the tube end fits securely into the barrel and the large diameter backend fits securely in the frame.
I was able to run a dry .30/762 fiberglass brush thru the guide with a little resistance.
Pros: High Quality
Would recommend: Yes
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