Should I Buy A .300 Blackout Upper For My AR?
By Sam Hoober
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. The cartridge has become […]
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Source:: Truth About Guns
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