c1731006c4 Springfiled 1911A1 Identification Discussion in 'M1911' started by Hernbrand, Sep 21, 2006. Sep 21, 2006 #1 . SA Loaded 1911 s with NM serial numbers Springfield Armory. I have seen some threads here about the NM serial number guns being possibly better quality than. Selected Handgun Detail. . Springfield Armory Model: 1911-A1 Trophy . The Springfield 1911-A1 series of pistols are faithful adaptations of the original 45 Auto . Search. This Site All NPS. Search . Springfield Armory National Historic Site commemorates the critical role of the . The Armory offers a number of special events . Springfield Armory 1911 A1 PC9111LR 45ACP Custom Shop "Pro" Model for sale online. . Search FFL Transfer Dealers; . The Last number of the Serial Number is covered.