When it came time to build the ultimate home defense rifle that would be a super short-barreled SBR, for me, the choice was simple…an 8″ 300 Blackout. That decision was based on my personal situation, but what about yours? At AR15Discounts.com, we understand that selecting the perfect cartridge for your AR-15 is a critical decision, … Continue reading .300 Blackout vs. 5.56mm Rifles: Choosing the Right AR-15 Cartridge for Your Needs