My AAC 9” SBR felt in need of a diet so I ditched the Sopmod and tried four less bulky stocks. The SL-K looked to be The One until I remembered I had an old FiberLite that had never looked right on anything I built.

It looks okay on the AAC, but really works on the cheaper 8.3”. With the can it weighs less than the 9” upper without. As pictured the 8.3” is 6lbs 5.8 oz. A half pound less than with the upper upper and with the lighter rail and suppressor the balance is perfect.

P.S. Do you use shims on a direct thread suppressor? I am thinking it might help break free if left on a loong time.

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