I’ve got an LMT SOPMOD kit that is made specifically for the Knights Armament E3 rifles. Has the LMT SOPMOD stock and LMT buffer tube. I want to trade the tube for an LMT M4 tube. They’re similar except mine is an inch shorter and isn’t flared like the regular LMT tubes are. The bottom tube is the KAC takeoff. One above it is the one I need. They’re both 6 position maritime tubes (drain holes in the last 3 positions)
Knights Armament doesn’t sell these tubes so the only way to get one is to buy a complete lower or rifle. Works with the regular guts
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