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FFL requirement

Re: FFL requirement

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Imurhuckleberry</div><div class="ubbcode-body">When building an AR15 from scratch, which parts or groups require an FFL? Is it the upper, lower, or bolt carrier and receiver or combination. Thanks. </div></div>

Yep only the lower is the controlled part.