September 23rd, 2007

Good Article on BoreScopes Reveals Fouling Characteristics

Hawkeye borescopeA quality borescope is a pricey tool, but once you have the opportunity to use one, it is hard to imagine how you ever did without it. Rifle Shooter magazine has an excellent article about using a Gradient Lens Corp. HawkEye BoreScope. In this feature, What the Eye Can See, writer Terry Wieland explains how to inspect for defects in new barrels, how to recognize different kinds of fouling (in both barrels and brass), and how to spot throat erosion in its early stages. The current generation of HawkEyes can be attached to a still or video camera to record digital images of your bore. The most interesting part of the article is on the second page. There, author Wieland provides photos of various types of internal flaws that can appear in barrels. This will help you spot pitting, excessive land wear, rust damage, and damage from corrosive primers.

RifleShooter Magazine Borescope story

Wieland also explains that BoreScopes aren’t just for barrels: “The borescope has other uses as well. It can be used to examine the interior of a cartridge case to look for the beginnings of a case separation or to examine the interior of a loading die that is giving you trouble. When you consider the number of tubular objects that play such an important role in rifle shooting, it is a wonder we were ever able to function without such a method of studying bores.”

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