I have been shooting an AR-15 MSR in all sorts of different configurations for the past three decades. It’s been fun, but the 5.56 caliber gets a little tedious, right?? Well, now with these uppers from Alexander Arms, I’m having all sorts of fun with the old AR-15 MSR Platform. Nothing like the raw power of the .50 Beowulf or the crazy accuracy of the 6.5 Grendel. This is just an introduction, there is much more content to come with these two uppers installed on the AR-15 Lowers I currently have. Get ready for some fun at the range. #GSR
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