IBM

IBM played a unique role during World War II as one of the U.S. contractors involved in producing M1 Carbines—compact, semi-automatic rifles known for their lightweight design and battlefield reliability. Though more widely recognized today for its computing legacy, IBM’s wartime manufacturing division contributed significantly to arming American forces. Vintage IBM-marked M1 Carbines have since become sought-after collectibles, prized for their historical value and mechanical integrity. With limited quantities produced, these carbines carry both the prestige of military history and the rarity of a unique manufacturer stamp.

Combat-Ready Craftsmanship

IBM’s M1 Carbines were built to exacting standards, offering battlefield-grade accuracy, ease of use, and quick target engagement.

Collectible Legacy

With only a fraction of total carbines bearing the IBM mark, these rifles are prized by collectors for their rarity, authenticity, and WWII provenance.

Reliable Components

From robust 15-round magazines to durable swivels, IBM-produced accessories match the quality and functionality of their firearm counterparts.

Product Focus

IBM M1 Carbine

The IBM M1 Carbine is a classic piece of WWII history, manufactured by International Business Machines during the war as part of a government contract. Chambered in .30 Carbine, this lightweight semi-automatic rifle features an 18-inch barrel and compact profile ideal for mobility and rapid fire. Though IBM produced fewer than 350,000 units, their carbines are widely respected for their consistency and reliability in combat scenarios. Surviving examples remain highly collectible today, often retaining original wood furniture and arsenal stamps. Whether for historical appreciation or vintage shooting, an IBM M1 Carbine stands as a testament to industrial contribution in wartime America.

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Magazine

Designed for the .30 Carbine platform, the IBM 15-round magazine delivers smooth feeding and durable construction, making it an essential accessory for M1 Carbine owners. Originally produced for military use, this magazine fits flush with the carbine’s receiver and maintains balance during firing. Collectors and shooters alike appreciate IBM-marked mags for their authenticity, reliability, and historical value. Whether you're restoring an original rifle or preserving military heritage, an IBM 15-round magazine is a perfect match for your vintage firearm.

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IBM Sling Swivel

The IBM sling swivel is a genuine part used on military-issue M1 Carbines, facilitating secure sling attachment for field use. Precision-machined and built to withstand combat stress, the swivel is a small yet vital component for maintaining historical accuracy on restored rifles. Original IBM swivels are distinguishable by specific markings and rugged build quality, favored by collectors for proper restorations. Add one to your IBM carbine to complete its WWII-era look and function.

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Frequently asked questions

What is IBM’s connection to firearms, and why did they produce M1 Carbines?

During World War II, IBM was one of several U.S. companies contracted to produce military firearms. Their advanced manufacturing capabilities made them a good fit for producing the M1 Carbine, a lightweight semi-automatic rifle for U.S. troops.

Are IBM M1 Carbines rare?

Yes, IBM produced fewer M1 Carbines than major manufacturers like Inland or Winchester. With under 350,000 units made, IBM-marked carbines are relatively rare and highly sought after by collectors for their scarcity and historical value.

How can I identify an authentic IBM M1 Carbine?

Look for the “IBM CORP.” marking on the receiver, along with original wartime serial numbers. Other IBM-specific features include manufacturer-coded internal parts and proof stamps used during WWII.

What accessories were produced by IBM for the M1 Carbine?

IBM produced 15-round magazines, sling swivels, and some internal components to accompany their carbines. These parts are often marked and can increase a firearm's collector value if kept original.

Can I buy an IBM M1 Carbine today?

Yes, but due to their limited production, IBM M1 Carbines are typically sold through collector networks, gun shows, or reputable online platforms like Guns America. Expect higher prices for models in good condition with matching parts.

How do I care for and preserve a vintage IBM M1 Carbine?

Keep the rifle clean, lubricated, and stored in a low-humidity environment. Use appropriate solvents and oils, and avoid unnecessary modifications. If you're preserving its value, maintaining original parts and finish is essential.

About

IBM, best known for computing, also played a key role in WWII firearm production. Contracted by the U.S. government, IBM manufactured the M1 Carbine—lightweight, reliable, and ideal for fast deployment. Today, IBM-marked carbines are prized collectibles, symbolizing industrial innovation in wartime America.

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