Auto-Ordnance - Thompson MAGAZINE 1911 9MM BLUED 9RD G57B

Manufacturer: Auto Ordnance
SKU: 877103
Manufacturer part number: G57B
UPC: 602686320221
Availability: Out of stock
Old price: $32.00
$20.36

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Auto-Ordnance (Thompson) 1911 Magazine — 9mm — 9-Round — Blued (G57B) — Informational Overview

The Auto-Ordnance / Thompson magazine listed here is a detachable magazine designed for 1911-pattern pistols chambered in 9mm. This model is described as blued and has a 9-round capacity. It is identified by part number G57B and UPC 602686320221. A 9-round 9mm 1911 magazine is typically used with full-size or compatible frame configurations designed to accept that length and capacity (exact fit depends on the pistol’s frame size, magazine well configuration, and manufacturer tolerances).

Key Identifiers

  • Manufacturer/Brand: Auto-Ordnance (Thompson)

  • Product Type: 1911 detachable magazine

  • Caliber: 9mm

  • Capacity: 9 rounds

  • Finish: Blued

  • Part Number / MPN: G57B

  • UPC: 602686320221


9mm 1911 Magazine Fitment: What to Verify

While the 1911 platform is widely standardized, 9mm 1911 magazines can vary depending on:

  • Frame size (Government, Commander, Officer/Compact)

  • Magazine catch location and magazine body length

  • Feed geometry differences between manufacturers

  • Presence of magwells or extended base pads

Users typically confirm:

  • The pistol is a 9mm 1911 designed to accept a 9-round magazine length

  • The magazine seats and locks correctly in the magwell

  • Reliable feeding and slide lock operation with the intended ammunition

Matching by part number G57B is a reliable starting point, but function testing in the specific firearm is common.


9-Round Capacity: Practical Considerations

A 9-round capacity in a 9mm 1911 magazine is commonly used when:

  • The firearm is designed to accept that capacity within the given frame size

  • Users want an option that balances capacity and magazine length

  • A specific magazine length/baseplate profile is preferred

Magazine capacity laws vary by jurisdiction; users typically confirm compliance with local regulations.


Blued Finish: Appearance and Care Notes

This magazine is listed with a blued finish. Blued finishes are often chosen for:

  • Classic appearance that matches traditional 1911 styling

  • Reduced glare compared with bright stainless finishes

  • Compatibility with other blued firearm components

Blued steel can be more susceptible to corrosion if exposed to moisture for long periods. Typical care practices include:

  • Keeping the magazine clean and dry

  • Lightly oiling exterior metal surfaces when storing in humid environments

  • Inspecting for rust, debris, or damage during routine maintenance


General Magazine Maintenance and Function Notes

For consistent operation, users commonly:

  • Keep magazines free of grit, sand, and debris

  • Inspect feed lips for damage or deformation

  • Monitor spring condition over time

  • Confirm function with the ammunition and firearm setup used most often

Because magazines are critical to reliability in semi-automatic pistols, routine inspection is standard practice.


Safety and Legal Notes

  • Follow all safe firearm handling practices and manufacturer guidance.

  • Confirm magazine capacity legality in your jurisdiction.

  • Store firearms and magazines securely and prevent unauthorized access.


Quick Reference Summary

  • Auto-Ordnance (Thompson) 1911 magazine

  • 9mm

  • 9-round capacity

  • Blued finish

  • MPN: G57B

  • UPC: 602686320221

The End

Products specifications
ManufacturerAuto Ordnance
SubCategoryMagazines
CategoryParts
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