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An Upper I had on backorder arrived after I picked one up from another Calgunner. No longer need 2, so this new one has to go. Brand New In Box. Never mounted. Includes Charging Handle, Stainless Bolt Carrier Group. Mounts on any Standard AR Lower, no need for buffer or spring as it's integrated to the BCG. Comes with 2 - 28rd rebuild kits. Sold Out everywhere, Gunbroker sellers won't ship to CA. $400 Feel free to PM any questions.
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