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.308 Winchester explained: what caliber it is, the energy it keeps at 500 yards against 5.56, 7.62x51 vs .308, and what it is good …

AR means ArmaLite Rifle. The short history of the AR-15 from ArmaLite to Colt, and why "assault rifle" is the wrong expansion.

Can you shoot 5.56 in a .223 rifle? What SAAMI says about each chamber, why .223 Wylde exists, and what caliber 5.56 really is.

How an adjustable gas block tunes your AR-15's gas, when it is worth it, and how the SLR Sentry and Seekins blocks compare.

Every part in an AR-15 lower parts kit, which kits skip the trigger or grip, trigger guard options, and live prices.

Yes in many states, no in some. How four states treat AR-15s for deer, hogs and coyotes, which calibers qualify, and hunting ammo.

A stock kit and a furniture kit are not the same thing. What each includes, which one your build needs, and live prices.

What happens inside a suppressor, how many decibels it takes off, how long one lasts, and what ATF's October 2026 guidance means.