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. ** Stag Arms is now offering its ...

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 ...

Featuring a heavy taper barrel, CMMG’s new Mk4 HT series of rifles are sure to be a favorite among shooters in search of greater consistency. This new offering is available in 5.56mm, 300 AAC Blackout ...

MG Industries, manufacturers of the MARCK 15 "Hydra" platform, a base system which the user can configure to any mission-specific rifle, announces that the .300 Blackout Hydra configuration in ...

Israel Weapon Industries Ltd. recently unveiled a new AR-style rifle that can quickly change from 5.56mm to .300 Blackout ammunition and is designed for special operations forces. The .300 Blackout, ...