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Posted: 3/15/2011 5:59:02 PM EDT
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For those of who own an SGL-31 (or 21 for that matter) and have access to a decent micrometer, I'm curious what the barrel diameter is at the gas block. According to the chart here
http://www.legionarms.com/pages/Dimensions-%26-Plans.html it's supposed to .590" for most AKs, but I'm getting a slightly smaller reading on my cheap Home Depot micrometer. While you're at it, I'm curious to know the OD at the front sight base, as well. thanks |
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