Colt SP1 AR-15 .223 Pre-Ban Rifle – Vintage Slab-Side, Vietnam-Era Style

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Description

The Colt SP1 is the original civilian semi-automatic version of the legendary AR-15, and this model—with serial number SP189111—dates to the early 1980s, making it a desirable pre-ban collectible. Featuring the classic "slab-side" lower receiver, triangular handguards, and fixed carry handle, this rifle captures the aesthetic and feel of early military M16 rifles used during the Vietnam era.

Chambered in .223 Remington and equipped with a 20" pencil barrel and A1-style flash hider, this SP1 is a lightweight, accurate, and reliable piece of history. The original black furniture and fixed stock are intact, and the rifle includes a Colt aluminum magazine.

Whether you're a serious Colt collector or just looking for a unique retro-style AR-15 for the range, this SP1 delivers unmatched authenticity and build quality from the company that started it all.

Specifications:

Specification	Detail
Manufacturer	Colt
Model	AR-15 SP1
Caliber	.223 Remington
Action	Semi-automatic
Barrel Length	20" pencil barrel
Twist Rate	1:12" (typical for early SP1s)
Flash Hider	A1 birdcage
Furniture	Black polymer, triangular handguards, fixed stock
Receiver	Slab-side lower, no forward assist
Sights	A1-style iron sights
Magazine	1x 20-round aluminum (included)
Serial Number	SP189111
Pre-Ban	Yes (manufactured before 1994 AWB)
Condition	Good – some handling wear, light patina