NO!
Thats a 6920 (16") that someone put an A2 stock and A1 grip on.
New roll marks denote a newer (not ban/pre-ban) lower.
I'd definitely pass. You can get a new one with correct furniture, rear sight (Magpul MBUS or carry handle), and 30 round magazine for less
Another vote for Savage, but the T/C with 5R rifling and accuracy guarantee is tough to beat...
Also, keep in mind that Freedom Group includes Remington and Marlin, so if it's the well documented QC issues keeping you away from Remington, expect them with the Marlin as well.
It didn't help that the guns Glock submitted were not close to what the DOD/Army asked for.
Why they felt the need to submit a .40 S&W...
Per Wikipedia:
Beretta did not enter the improved M9A3, instead competing with their new APX striker-fired pistol.
CZ P-07 MHS and P-09 MHS chambered in 9...