Just putting a feeler out to see if anybody has one of these uppers they would be willing to part with for a reasonable price. My preference is new/lightly used since this would be used to finish a brand new 300 blackout pistol build. Exact upper that I'm after is posted in the link below:
SBR8 Upper
<p><strong>SBR8 Complete Upper</strong></p> <p>The SBR8 is ideal for quiet and quick sport shooting, short-range competitions, and home defense. Seekins Precision’s Integrated Rail Mounting technology (iRMT) uppers integrate
seekinsprecision.com