Remington Model 11-48 Serial Number Lookup Guide For 2026

Navigating the history of vintage firearms requires precise reference tools, and collectors frequently need a reliable Remington Model 11-48 serial number lookup to establish the exact year of manufacture. Introduced in 1948 as Remington's first post-World War II semi-automatic shotgun, the Model 11-48 evolved from the legendary John Browning-designed Model 11, incorporating modern stamped steel parts, a streamlined receiver, and a redesigned friction-ring recoil system. Because manufacturing spanned from 1948 to 1968 with total production exceeding 400,000 units, identifying the production year relies heavily on barrel codes and serial number sequences. This guide provides firearms historians, collectors, and owners with an authoritative breakdown of dating methods, technical specifications, and evaluation protocols for 2026.

Locating Your Remington Model 11-48 Serial Number

Before initiating any lookup process, you must safely locate the physical stamping on the firearm and verify its operational status. Always ensure the chamber and magazine tube are completely empty before handling or disassembling your shotgun.

• Receiver Stamping: The primary serial number is typically located on the left or bottom side of the aluminum-alloy or steel receiver near the lower front edge, depending on the production run.
• Barrel Address Stamp: While secondary to the frame serial number, supplementary markings are stamped directly onto the barrel assembly.
• Internal Components: Older Remington models occasionally feature matching serial numbers stamped onto interior components such as the bolt assembly or trigger group housing, though standardization varied over the twenty-year production span.

Decoding Remington Barrel Date Codes and Serial Sequences

Unlike modern firearms that follow strict, linear serial number progressions governed by contemporary tracking databases, the Remington Model 11-48 relies on a dual-verification system consisting of barrel date codes and factory receiver stamps. Because barrels were sometimes swapped over decades of active use, matching the receiver serial number range with the barrel code provides the most accurate historical profile.

Remington stamped a two- or three-letter date code on the left side of the barrel near the receiver junction. The first letter represents the month of manufacture, while the second and third letters indicate the specific year.

• Month Code Letters: B (January), L (February), A (March), S (April), M (May), C (June), O (July), W (August), Y (September), P (October), E (November), X (December). Note that the mnemonic acronym BLACKPOWDER is traditionally used by collectors to remember these twelve letters sequentially from January through December.
• Year Code Letters: Starting from 1948, Remington used sequential letters for manufacturing years. For example, "XX" denotes 1948, "Y" denotes 1949, "Z" denotes 1950, and the sequence continues through the 1950s and 1960s.

Production Eras and Serial Number Ranges

Technical Specifications and Operating Mechanics

Understanding the mechanics of the Remington Model 11-48 is essential for both collectors and active shooters. The shotgun utilizes a long-recoil operating system, meaning the barrel and bolt lock together and recoil backward inside the receiver during the firing cycle. This design requires careful adjustment of the friction rings on the magazine tube depending on whether light or heavy field loads are fired.

• Action Type: Long-recoil semi-automatic shotgun.
• Gauges Produced: 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore.
• Magazine Capacity: Tubular magazine typically holding 4 rounds, limited to 3 rounds with a wooden plug for migratory bird hunting compliance.
• Receiver Material: Lightweight stamped and milled steel receiver designed to reduce overall weight compared to its predecessor, the Model 11.

Comparative Analysis: Remington Model 11 vs. Model 11-48 vs. Model 1100

When evaluating a vintage semi-automatic shotgun, collectors often weigh the Model 11-48 against its predecessor and successor. The following breakdown highlights key architectural and functional differences.

Step-by-Step Guide to Verifying Your Shotgun's History

Executing a thorough lookup requires a systematic approach to examine both external markings and mechanical conditions. Follow this structured process to document your firearm accurately.

1. Safety Inspection: Open the action, inspect the chamber and magazine tube, and confirm the firearm is completely unloaded before proceeding.
2. Record the Receiver Serial Number: Note the exact alphanumeric string stamped on the receiver. Take a high-resolution photograph for your records.
3. Inspect the Barrel Stampings: Look closely at the left side of the barrel near the receiver joint to locate the proof marks, gauge stamp, and the two- or three-letter date code.
4. Cross-Reference Factory Ledgers: Compare your serial number range against verified historical production tables compiled by firearms historians and Remington archival references.
5. Evaluate Originality: Check if the barrel serial number matches the receiver (common in early models, less strictly matched in later production runs) and verify whether the stock has been cut or altered.

Common Troubleshooting and Maintenance Realities

Maintaining a Remington Model 11-48 in 2026 requires understanding the nuances of vintage long-recoil shotguns. Because these firearms rely heavily on proper lubrication and friction ring positioning, failure to cycle is almost always related to maintenance rather than catastrophic mechanical failure.

Friction Ring Configuration Notice Adjustment Guidelines: For heavy high-brass loads, place the tapered friction ring with the bevel facing forward toward the muzzle against the barrel bushing. For light low-brass target loads, place the tapered ring with the bevel facing backward toward the receiver, positioned behind the friction spring. Incorrect ring orientation will either cause excessive receiver battering or failure to cycle completely.

• Magazine Tube Lubrication: Keep the magazine tube clean and lightly oiled. Excessive grease acts as a brake on the recoil spring, causing short-stroking.
• Mainspring Wear: The recoil spring located inside the buttstock can sag over decades of compression. Replacing an original mainspring significantly improves ejection reliability with modern target loads.
• Stock Cracking: The wrist area of the wooden stock is susceptible to hairline cracks. Inspect this area periodically and ensure the stock bolt inside the receiver is properly torqued.

Frequently Asked Questions

How do I find the exact year of manufacture for my Remington Model 11-48?

The exact year is determined by cross-referencing the serial number stamped on the receiver with historical production ledgers, and verified by decoding the barrel date stamp letters located on the left side of the barrel near the receiver. Combined, these two indicators provide a definitive manufacturing window.

Are Remington Model 11-48 barrels interchangeable?

While barrels of the same gauge within the Model 11-48 series can often be swapped, minor hand-fitting by a qualified gunsmith may be required due to manufacturing tolerances from the mid-20th century. Model 11 barrels are entirely incompatible with Model 11-48 receivers.

What size steel shot can I shoot through a vintage Model 11-48?

Most vintage Remington Model 11-48 shotguns feature fixed chokes (Full, Modified, or Improved Cylinder) bored for traditional lead shot. Firing modern steel shot through tight fixed chokes, particularly Full or Modified, can cause barrel bulging or damage; therefore, low-toxicity alternative soft non-toxic loads or specialized vintage-safe bismuth shells are recommended.

Where is the serial number located on a Remington 11-48?

The serial number is stamped on the exterior metal surface of the receiver, typically found near the bottom front edge or along the lower left side depending on the specific year of production.

Did Remington produce a 20-gauge version of the Model 11-48?

Yes, Remington introduced the 20-gauge variant in 1951, followed later by the ultra-lightweight 28-gauge and .410-bore models, making the 11-48 series one of the most versatile lightweight semi-automatic platforms of its era.

Professional Evaluation and Next Steps

Properly documenting your Remington Model 11-48 preserves its historical value and ensures safe operation at the range or in the field. For collectors seeking formal appraisals or specialized mechanical restoration, consult a certified gunsmith specializing in mid-century autoloading shotguns to inspect internal spring tensions and verify headspace tolerances before active use.