Umm...I would not be showing pics of that without a stamp. That's a big no-no buddy
I remember seeing your lower in the Class III engraving thread. Are you sure the CO2 engraving you have meets the depth requirements? I'm very interested in getting that style of engraving done, but am worried it doesn't go deep enough, can you confirm its depth?
I believe it has to be a minimum of .003" the laser engrave assured me that this is acceptable,"
) On the Frame or Receiver the Serial number;
2) on the frame, receiver, or barrel the following additional information;
A)The model;
B)The caliber or gage;
C)Your name or name of the Trust in the case of a Trust (no abbreviations are permitted for the Trust name);
D)The city and state (you can abbreviate the state with the official 2 digit state code)
BATFE Engraving Requirements for Short-Barreled Rifle or Shotgun (SBS/SBR) - NFA Gun Trust Lawyer Blog
Anyone have any info on ballistics of 9mm AR's? what are the maximum ranges and how far out could you be accurate with red dot sights?
I was thinking about building one of these myself until the parts market went crazy. I guess I will just wait till things calm down.