Springfield Armory Model 1911-A1 .45 ACP Full-Size, Adjustable Target Sights, NM-Prefix Geneseo Frame
This Springfield Armory Model 1911-A1 is a full-size .45 ACP built on a Geneseo, IL-marked frame with an NM-prefix serial number. It features a BoMar/LPA-style low-mount adjustable rear sight cut with target sights installed, a lowered and flared ejection port, and classic 1911 single-action operation with manual thumb and grip safeties. Included is one 8-round single-stack magazine with an extended bumper pad.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: The metal shows scratches, finish wear, and areas of pitting. The bore is clean and shiny. The grip bushings are stripped and will require restorative work. Grip panels are not installed; thin filler plates are present.
What’s Included
- 1x 8-round single-stack steel 1911 .45 ACP magazine with extended bumper pad
The slide carries factory legends reading "MODEL 1911-A1 CAL .45" on the left and "SPRINGFIELD ARMORY" with crossed-cannons on the right. The barrel hood is marked "S.A. .45 AUTO," aligning with the .45 ACP chambering and single-stack 8+1 configuration.
Target-focused sighting is provided by a low-mount adjustable rear in a BoMar/LPA-style cut and a front blade with a single dot. The slide also features rear vertical serrations for confident manipulation.
Key 1911 enhancements include an upswept beavertail grip safety, a skeletonized commander-style hammer, and a long three-hole lightened trigger. Together with the lowered and flared ejection port, these features reflect a configuration aimed at smooth operation and controllability.
The frame is marked Geneseo, IL and carries an NM-prefix serial number. Safety features include a manual thumb safety, grip safety, and half-cock notch, consistent with single-action 1911 operation.
Grip panels are currently not installed; thin filler plates are fitted to the grip frame. This setup leaves the pistol ready for the buyer to install their preferred 1911 grip panels.