Remington 11-48 Serial Number Lookup Guide For 2026
Navigating the history of classic American firearms requires meticulous research, and performing a Remington 11-48 serial number lookup remains essential for collectors, historians, and hunters in 2026. Introduced in 1949 as Remington's first truly new post-World War II semi-automatic shotgun, the Model 11-48 streamlined production by utilizing a stamped sheet-metal trigger guard and a dynamic long-recoil action derived from John Browning's legendary design. Because Remington used shifting date-code stamps, barrel markings, and evolving serial number sequences across its production run from 1949 to 1968, identifying the exact year of manufacture can present a challenge. This definitive reference guide breaks down the precise methods, barrel codes, and metallurgical history needed to date your Remington 11-48 accurately.
Understanding the Remington 11-48 and Its Production Legacy
The Remington Model 11-48 replaced the older Model 11 (itself a licensed Browning Auto-5 clone) by modernizing internal mechanics and manufacturing processes. Chambered originally in 12, 16, and 20 gauges, with 28-gauge and .410-bore variants added later, the 11-48 earned a stellar reputation for reliability in the field.
Unlike modern firearms that feature sequential, continuous serial numbers across all models, Remington's historical record-keeping relied heavily on factory barrel stamps and receiver batch stamps. Consequently, looking up an 11-48 serial number often requires cross-referencing multiple data points on the shotgun rather than relying solely on a digital database lookup tool.
Core Technical Specifications of the Model 11-48
- Action Type: Long-recoil operated semi-automatic shotgun
- Gauges Available: 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore
- Magazine Capacity: 4-round tubular magazine (plugged to 3 rounds for migratory bird hunting compliance)
- Standard Barrel Lengths: Ranging from 26 inches to 30 inches, featuring various choke configurations (Full, Modified, Improved Cylinder)
- Receiver Material: Milled high-strength steel with a streamlined, rounded profile that distinguished it from the square-backed Browning Auto-5
Step-by-Step Guide to Finding Your Remington 11-48 Serial Number
Locating and interpreting the identifying marks on a Remington 11-48 requires inspecting specific zones on the firearm. Follow this sequential workflow to verify its manufacturing timeline.
- Unload and Inspect Safety: Always verify that the chamber and magazine tube are completely empty before handling or disassembling the firearm for inspection.
- Locate the Receiver Serial Number: Check the left side of the receiver, typically near the bottom edge towards the rear, where the serial number is stamped into the steel. On some variants, the number may be located underneath the receiver frame near the loading port.
- Examine the Barrel Date Code: Look on the left side of the barrel just forward of the receiver ring. You will find a two- or three-letter stamp indicating the month and year of barrel manufacture.
- Cross-Reference Factory Records: Compare the receiver serial number range with historical Remington production ledgers, keeping in mind that barrels were frequently swapped over decades of active use.
Important Verification Note: Always prioritize the receiver serial number over the barrel stamp when determining the primary age of the firearm, as barrels could easily be replaced by gunsmiths or previous owners during routine maintenance or gauge conversions.
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Decoding Remington Barrel Codes and Date Stamps
Because Remington's serial number ledgers from the mid-20th century contain gaps, the barrel code system serves as the most reliable secondary dating method for the 11-48. The barrel code consists of a two- or three-letter combination stamped closely together. The first letter represents the month of manufacture, and the subsequent letter or letters represent the year.
| Letter Code | Corresponding Year | Production Milestone |
|---|---|---|
| W | 1949 | Introduction year of the Remington Model 11-48 |
| X | 1950 | Full-scale production across standard gauges |
| Y | 1951 | Expansion of 28-gauge and .410-bore options |
| Z | 1952 | Transition period for improved trigger assemblies |
| A | 1953 | Mid-decade manufacturing updates |
| B | 1954 | Introduction of specialized choke options |
| C | 1955 | Standardization of ribbed barrel variants |
Month codes are typically sequenced starting with B for January, L for February, A for March, C for April, K for May, M for June, T for July, W for August, E for September, H for October, J for November, and D for December (utilizing the historical mnemonic word BLACKPOWDER).
Comparative Analysis: Remington 11-48 vs. Browning Auto-5 and Remington Model 11
To fully appreciate the design ethos of the Remington 11-48, it helps to compare it against its direct ancestors and competitors from the era. The table below outlines the structural and mechanical differences.
| Feature / Metric | Remington Model 11-48 | Remington Model 11 | Browning Auto-5 |
|---|---|---|---|
| Action Mechanism | Long-recoil (streamlined) | Long-recoil (traditional) | Long-recoil (traditional) |
| Receiver Shape | Rounded, modern contour | Squared, blocky profile | Squared, blocky profile |
| Trigger Guard | Stamped sheet metal | Milled steel | Milled steel |
| Production Era | 1949 – 1968 | 1905 – 1947 | 1902 – 1998 (Global) |
| Weight (12 Gauge) | Approx. 7.2 lbs | Approx. 8.0 lbs | Approx. 8.2 lbs |
Pros and Cons of Owning and Shooting a Remington 11-48
Evaluating a vintage semi-automatic shotgun like the 11-48 involves balancing historical charm against modern operational considerations.
Advantages
- Exceptional Pointing Dynamics: The tapered, rounded receiver offers superior swing and target acquisition compared to blocky modern semi-autos.
- Craftsmanship: Built during an era of extensive hand-fitting and blued carbon steel, offering high aesthetic appeal.
- Affordability: Remains one of the most budget-friendly entry points into vintage shotgun collecting.
Disadvantages
- Friction Ring Sensitivity: The long-recoil action requires proper placement of the bronze friction ring and spring based on heavy or light loads to prevent receiver damage.
- Steel Shot Limitations: Older fixed-choke barrels are generally not rated for modern high-velocity steel shot without risking barrel bulging or ring distortion.
- Parts Availability: Factory replacement parts are no longer in production, requiring sourcing from specialized vintage firearm parts suppliers.
Frequently Asked Questions for Remington 11-48 Lookup
Where is the serial number located on a Remington 11-48?
The serial number is typically stamped on the left side of the receiver near the bottom rear, or occasionally underneath the receiver frame near the loading port.
How do I know what year my Remington 11-48 was made?
You can date the shotgun by checking the serial number against historical production ranges or by decoding the two-letter barrel stamp located on the left side of the barrel near the receiver.
Can I shoot modern steel ammunition through a vintage Remington 11-48?
Shooting standard steel shot through older full-choke barrels is generally discouraged; low-toxicity bismuth or tungsten alternatives or having the barrel professionally opened up for steel is recommended.
Did Remington keep complete serial number records for the 11-48?
Remington's factory records from the 1950s and 1960s are partially incomplete due to historical fires and record consolidation, making barrel codes essential for accurate dating.
What gauges were available for the Remington 11-48?
The Model 11-48 was produced in 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore throughout its 19-year manufacturing run.
Securing Your Vintage Firearm Legacy
Inspecting and researching your Remington 11-48 connects you directly to mid-century American sporting heritage. Whether preparing your classic shotgun for a historic hunt or preserving it in a collection, understanding its exact manufacture date ensures proper maintenance and historical appreciation. For personalized appraisal or certified gunsmithing inspections regarding friction ring setup and chamber pressures, consult a qualified vintage firearm specialist in your local area.
