300 BLK

Should I Buy A .300 Blackout Upper For My AR?

Courtesy Palmetto State Armory One of the reasons that the AR-15 platform is America’s most popular rifle is its versatility and ease of customization. For most people, changing calibers is usually as simple as buying another upper and swapping it out. And that’s what makes adding 300 Blackout blackout capability to your AR-15 so attractive. …

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