The AR is a rugged and reliable platform that has proved its capabilities on the battlefield for 50 years, but its 5.56x45 mm (.223 Rem.) chambering is considered to be on the smaller end of the power ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Advanced Armament Corp. has ...

The recently introduced 300 AAC Blackout cartridge has rapidly gained acceptance from the nation’s tactical, competition, hunting and personal defense communities. The Trijicon ACOG 3x30 with 300 AAC ...

Next to the original 5.56mm NATO/223, the 300 AAC Blackout (BLK for short) is the most popular chambering for the AR-15 platform, and, as a result, manufacturers now pump out a wide variety of 300 ...