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What Makes an AR 15 Mil Spec?

What Makes an AR 15 Mil Spec?

Posted by RailScales LLC on Jul 7th 2025

How Important are Mil-Spec Parts for the AR-15? When it comes to the AR-15 community, the term "mil spec" is often used with a sense of reverence and praise. But what does it really mean, and does it … read more
Test Your AR 15’s Mechanical Offset

Test Your AR 15’s Mechanical Offset

Posted by RailScales LLC on Jun 17th 2025

How to Test Mechanical Offset on Your AR-15 Testing for mechanical offset is easy and requires minimal gear—but it does require a disciplined process. Step 1: Measure the Offset Use a caliper o … read more