1978 Colt Model SP1 Carbine AR-15 Semi-Auto Rifle .223 Rem 16" with A1 Fixed Carry Handle Sights
This Colt Model SP1 Carbine is a U.S.-made AR-15 platform rifle with classic SP1-era features and identifiable Colt commercial markings. Year Manufactured: 1978. The lower receiver is marked with the Rampant Colt logo and rollmarks including "COLT AR-15" and "MODEL SP1," and it carries an SP-prefix serial number. It is configured with a slick-side upper (no forward assist visible), fixed carry handle iron sights, and a 16" barrel with an A1-style slotted birdcage-type muzzle device.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: This firearm is in solid functional shape. There are scratches and blemishes present. The bore is clean and shiny. Light rust and pitting are present.
What's Included
- 1x 30-round AR-15 pattern detachable box magazine (USGI-style aluminum, curved-body)
- 1x 20-round AR-15 pattern detachable box magazine (USGI-style aluminum, straight-body)
This SP1 Carbine is built around the direct impingement operating system and uses a selector lever safety marked SAFE/FIRE. The receiver set is aluminum, and the rifle retains a period-correct, streamlined profile with the slick-side upper and an ejection port dust cover.
The sighting system is the classic A1-style fixed carry handle setup, paired with an A-frame front sight base and fixed front post. The rear sight is the carry-handle style with an A1 adjustment wheel/drum, keeping the controls simple and familiar for SP1-pattern rifles.
Furniture includes carbine-length, two-piece ribbed polymer handguards and an A1-style pistol grip. The rifle is fitted with a collapsible, telescoping stock, matching the carbine configuration.
Chambered in .223 Remington with a 16" barrel and a flash hider, this rifle is set up in a straightforward, traditional SP1 Carbine format. Magazine capacity is listed as 30+1, and two magazines are included with the sale.