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Heavy Barrel AR-15

Competitive Shooting

Long-Range Shooting with the AR-15

Long-range shooting with an AR-15 means different things to different shooters. However, the basics of achieving long-range accuracy come down to two things—barrels and bullets. Here’s a history of how refinements in those crucial areas got started.

.223 vs 5.56

Ammunition

.223 vs. 5.56: Ammunition Comparison and Overview

Using commercial .223 cartridges in a 5.56-chambered rifle should work reliably, but generally will not be as accurate as when fired from a .223-chambered gun due to the excessive leade. There always seems to be a lot of confusion over the difference between a .223 and a 5.56 chamber. I often receive questions asking if someone can shove 5.56 ammo into their new AR-15. The quick answer is maybe. Just because a gun has .223/5.56 scribed on the barrel, does not mean it can handle either piece of ammunition equally.

ATI Omni

AR-15s

Is the Polymer Lower a Good Idea?

Traditionally, much of the AR is already plastic. However, recent developments are pushing the limits of the AR design, and the polymer lower receiver is now commonplace.

Silver AR-15 Rail on a white background

AR-15s

AR-15 Quad Rails: Best Practices for Upgrading

Customizing your AR-15 is simple when you follow the instructions on the CTD Blog. Check out this article for details on changing the Quad Rails and see the rest of the series to make your gun fit what your style and needs.