How to Identify a Real M1A1 Carbine vs a Fake

Published on February 10, 2018
Duration: 10:54

This guide details how to identify an authentic M1A1 Carbine by examining specific markings and construction details on the folding stock and receiver. Expert Ian McCollum highlights critical authentication points, including proof marks, drawing numbers, and manufacturer codes, to distinguish genuine examples from reproductions. Proper identification is crucial due to the high value and prevalence of fakes on the market.

Quick Summary

Authenticating a real M1A1 Carbine involves scrutinizing specific markings. Look for the 'Circle P' proof, 'RIA EB' refurbishment stamps, and the cast drawing number 'B257614' inside the buttplate. Ensure the receiver is marked 'INLAND DIV.' and the stock is walnut with 'OI' markings internally. Fakes often lack these details or have stamped numbers instead of cast ones.

Chapters

  1. 00:00Introduction to the M1A1 Carbine
  2. 00:49Adoption and Manufacturing History
  3. 02:30The Problem with Fakes
  4. 04:08Stock Markings and Proofs
  5. 05:13Assessing Wear and Hardware
  6. 06:46The Buttplate Drawing Number
  7. 08:07Internal Markings and Wood Type
  8. 09:14Receiver and Serial Number Verification

Frequently Asked Questions

How can I identify a real M1A1 Carbine from a fake?

Authenticating a real M1A1 Carbine involves scrutinizing specific markings. Look for the 'Circle P' proof, 'RIA EB' refurbishment stamps, and the cast drawing number 'B257614' inside the buttplate. Ensure the receiver is marked 'INLAND DIV.' and the stock is walnut with 'OI' markings internally. Fakes often lack these details or have stamped numbers instead of cast ones.

What are the key markings on an M1A1 Carbine stock that indicate authenticity?

Authentic M1A1 Carbine stocks should feature a 'Circle P' proof mark and potentially 'RIA EB' stamps from Rock Island Arsenal refurbishment. Internally, the wood channel might show an 'OI' marking from Overton Inland. The leather cheek pad should show age, and the buttplate must have the cast drawing number 'B257614'.

Who manufactured the original M1A1 Carbine?

All original M1A1 Carbines were manufactured by the Inland Corporation, a division of General Motors. If an M1A1 Carbine has receiver markings from another manufacturer, such as Winchester or Rock-Ola, it is considered a 'put-together' fake and not an original Inland production.

What is the significance of the buttplate drawing number on an M1A1 Carbine?

The drawing number 'B257614' cast into the inside of the M1A1 Carbine's buttplate is a critical authentication point. Most reproductions either lack this number entirely, stamp it instead of casting it, or have it appear too clearly legible compared to the faint, original castings.

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