Prefit barrel install. No Go / Go gauge was checked.

Описание к видео Prefit barrel install. No Go / Go gauge was checked.

Installing a Patriot Valley prefit in 7 Creedmoor onto a Zermat Origin.
This girl had very bad, tooling marks, and was very filthy with some sort of film in it. I just installed the barrel in this video to see if the threads all lined up and then took the barrel back off and lapped the barrel then reinstalled it and I use the go/No go gauges.

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