WW2 M1911A1 vet still serving

[Shooter5]

So, this gun could have as little as 2,000rds through it. Too bad there is no way to know.

LOL, (no offense intended...but) the average round count is for an intensive training course whether its military or vendor POI is usually quite high. (See T1G, Academi, MidSouth, GunSite etc) In just a single week your long gun/secondary can easily run into hundreds/thousands depending. Fingers and thumbs get sore pulling triggers and loading mags.
So, for the above 1911, yeah, its put some rounds downrange given the unit(s) who use it. And its more than just 2k.