The M1 Carbine occupies a unique place in WWII small arms history: lightweight, semi-automatic, and intended as a compact defensive arm for support troops. Collectors and tactically minded shooters value original WWII producers for their historical provenance and matching parts pedigree.

IBM M1 US CARBINE

Historic overview

The IBM Corp. M1 Carbine was manufactured at IBM’s Poughkeepsie, NY plant with parts from Endicott between August 1943 and May 1944. Total IBM output is approximately 346,500 units — about 5.7% of overall M1 production — making IBM examples relatively scarce compared with larger producers like Inland or Winchester. IBM produced only standard M1 carbines; no M1A1 paratrooper or select-fire M2 variants were made by IBM.

Identification & collector grading

Key markings to verify

Collectors look for a consistent set of IBM stamps: receivers marked “I.B.M.CORP.” with serials typically in the ~3.65 million to 4.00 million range; barrels stamped “I.B.M.CORP.” with the ordnance flaming bomb and dates such as “11/43”; and small parts bearing subcontractor codes like “AOB” (bolt) and “AMB” (hammer) or “BEB” (trigger group). Front/rear sights, barrel bands, handguards, and stocks can also carry IBM-coded stamps — an all-matching IBM set commands a premium.

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Caliber, features, and practical notes

The IBM M1 US CARBINE is chambered in .30 Carbine, a light, controllable cartridge suitable for close- to mid-range defensive roles and historic shooting. The listing includes a 10-round magazine and the firearm is offered in the Semi Auto category. When evaluating mechanical function and collector value, pay close attention to stock condition, bore integrity, and any signs of refinishing — these factors heavily influence price and desirability.

Inspection checklist and pricing

When assessing a specific IBM example, confirm matching receiver and barrel stamps, verify small-part codes, inspect the bore and stock for cracks or alterations, and note that this listing comes as pictured with no box or papers. The listed price is $3,499.99. For immediate purchasing options, Shop this product.

For collectors and history-minded shooters seeking an authentic WWII IBM M1 US CARBINE, confirm the IBM-specific markings and part codes before purchase and Check current availability on the product page to complete your evaluation. Clicking any link will take you to the shop page where you can view the item and complete purchase through the retailer.

People Also Ask

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