Over the last 9 months of testing, the SIG MCX VIRTUS has proven to be a very reliable and useful weapon. In its 5.56 configurations, we saw it run in all weather conditions over the winter, a 2000 rounds suppressed test and many other shenanigans. The most impressive part to me was that we had a multi-configurable rifle, that consistently shot ½ MOA groups. This week, we finally got the long awaited 300 AAC barrel.
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