Springfield Model 1866 Allin Conversion .50-70 Rifle, 36" Barrel
Updated August 24, 2026
This auction ended on September 6, 2026.
See upcoming auctions from Old Steel Historical Firearms LLC or current firearms & militaria auctions.
| Lot number | 0127 |
| Opening bid | $10 |
| Category | Firearms & Militaria |
| Auction | Old Steel Auction 10 - 2026 |
| Date | September 6, 2026 at 8:30 PM EDT |
| Auction house | Old Steel Historical Firearms LLC |
| Location | Littleton, Colorado |
This exceptional Springfield Model 1866 Allin Conversion rifle is chambered in .50-70 and represents one of the most significant transitional military firearms in American history. Featuring a
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