The best firearm(AR) is the one you own. As you can see any one brand can take the top spot however, consider it a tool. Its only as good as you can make it. Read up on where the parts come from. Most are the same except everyone puts their own name on it. Some upsell based on their vigorous testin. The more you read, you'll soon find someone has had issues even with the best on the market. Buy or build base on what you can afford or intend it for. My Colt wasn't as good as my Bushmaster, and my New SOG/build is the working girl I prefer.
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