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AR-15 Buffer Tube Sizes: Mil-Spec vs Commercial

Posted by 3CR Tactical on 28th Apr 2026

AR-15 Buffer Tube Sizes: Mil-Spec vs Commercial
Why Buffer Tube Size Matters Mil-spec and commercial AR-15 buffer tubes look nearly identical but use different diameters. That difference determines which stocks fit your rifle and how solid the lockup feels. Buy the wrong one and your stock will either wobble or refuse to slide on at all. What Is the Actual Size Difference? A mil-spec buffer tube has an outer diameter of 1.14 …
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What Does a Window Cut Slide Do for Glock?

Posted by 3CR Tactical on 28th Apr 2026

What Does a Window Cut Slide Do for Glock?
The Basics of a Window Cut Window cut slides are one of the most common aftermarket slide styles for Glock pistols. They look aggressive, but the real question is whether those cutouts do anything functional. The answer is yes — but with trade-offs. A window cut is a rectangular or angled port machined through the top of the slide. It exposes part of the barrel and remove …
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Aftermarket Slide for Glock 26: What Fits and What to Look For

Posted by 3CR Tactical on 28th Apr 2026

Aftermarket Slide for Glock 26: What Fits and What to Look For
Why Glock 26 Slide Options Are Limited The Glock 26 is one of the most popular subcompact 9mm pistols on the market, but aftermarket slide options for it are limited compared to the Glock 19 or Glock 17. Fewer manufacturers tool up for the Glock 26 slide dimensions because the market volume is smaller. The Glock 19 outsells everything else in the aftermarket space, so that is w …
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