(M) COLT SP1 AR-15 SEMI-AUTOMATIC CARBINE WITH BOX (1979).
Updated August 27, 2026
| Lot number | 3162 |
| Estimate | $1,500 - $2,500 |
| Opening bid | $750 |
| Category | Firearms & Militaria |
| Auction | Firearms & Militaria - Day 3 |
| Date | September 17, 2026 at 9:00 AM EDT |
| Auction house | Dan Morphy Auctions |
| Location | Denver, Pennsylvania |
This early SP1 carbine was manufactured in 1979. The carbine length pencil barrel is marked "C MP B" on the underside and is fitted with a bird cage flash hider. Protected post front sight on a
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