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| 401 Winchester WSL Cartridges |
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| The Winchester Company introduced the 401 WSL in 1910 for the Model 1910 SL rifle,
Please note, again: SL = Self-Loading or Semi-Auto. The 401WSL was more powerful than the 351 WSL and suitable for deer hunting; however, the rifle was discontinued in 1936, and the 401 WSL cartridges, was produced until app. early 1950s. Below 3 different Head Stamps |
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| Winchester Model 1910 SL Rifle |
| Chambered in 401 W.S.L. |
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| Remington |
| $ 7.75 per cartridge Limit One |
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| $ 8.75 percartridge Limit One |
| 401 Winchester Self-Loading by Remington "REM-UMC" Head Stamp after Remington bought UMC= Union Metallic Cartridge Company, with Nickel Primer, and Copper Jacketed Soft Point Projectile |
| 401 Winchester
Self-Loading by Winchester Repeating Arms Company with Nickel Primer, and Copper Jacketed Special Soft Point Projectile |
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| $ 9.75 per cartridge |
| Earlier Winchester |
| Winchester 401 Self-loading "W.R.A.Co." Head Stamp, and "W" on the Copper Primer, "W" on Nickel Plated Copper Jacketed, Soft Point Projectile Limit One |
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