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Brownells AR15 Upper Receiver Lapping Tool - It Works
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Brownells AR15 Upper Receiver Lapping Tool - It Works

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MajorPandemic
Dec 12, 2020
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Major Pandemic - MajorPandemic.com
Brownells AR15 Upper Receiver Lapping Tool - It Works
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Brownells AR15 Upper Receiver Lapping Tool - It Works

Back many years ago a number of very high end manufacturers of receivers and match barrels had recommended lapping upper receiver faces to optimize accuracy. Some of those folks were JP Rifles, White Oak, Shilen, Lilja, Black Hole, and Hart just to name a few of the experts delivering that advice. At …

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