Home Defense Rifle: 5.56mm Vs. 300blk | Tactical Rifleman
This guide details a home defense rifle ammunition comparison between 5.56mm and .300 Blackout, featuring insights from a former Green Beret and an active SWAT officer. It covers ballistic testing with Clear Ballistics gel, comparing standard expanding rounds and frangible options to evaluate terminal performance and penetration for home defense scenarios. The .300 Blackout is highlighted as a strong contender for its effectiveness in AR-15 platforms.













