Pre-Ban Colt SP1 AR-15 5.56/.223 20” Semi-Auto M16A1 Rifle MFD 1982 Rare
SOLD FOR: $1,850
WOA#: WY240302MH001
Make: Colt
Model: AR-15 SP1
Serial Number: SP198736
Year of Manufacture: 1982
Caliber: .223 / 5.56
Action Type: Semi-Automatic, Direct Impingement
Markings: The left side of the receiver is marked “COLT / AR-15 / CAL. .223 / MODEL SP1 / SER. SP198736”, “COLT’S FIREARMS DIVISION / COLT INDUSTRIES / HARTFORD, CONN / U.S.A.”, “SAFE FIRE”. The right side of the carry handle is marked “C M”. The barrel is marked “C MP CHROME BORE”. The left side of the bolt carrier is heavy stamped “C”. The neck of the bolt head is marked “MPC”.
Barrel Length: 20”. 21″ with A1 Bird Cage Flash Hider.
Sights / Optics: The front sight is an A1 adjustable post sight. The rear sight is an A1 adjustable dual aperture sight set in the carry handle.
Stock Configuration & Condition: The buttstock is a fixed A1 buttstock with sling ring and checkered buttplate with trap door for storage compartment. The grip is an A1 checkered pistol grip. The handguard is a triangular A1 handguard with heat shields. The LOP measures 13” from the front of the trigger to the back of the buttplate. The stock rates in Excellent overall condition. There are no chips or cracks. There is some handling wear on the grip with semi-worn peaks.
Magazine Quantity & Condition: One 20rd 5.56 Colt Straight Magazine.
Type of Finish: Anodized
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. In this writer’s opinion the bore rates 9/10.
Overall Condition: This rifle retains about 95% of its metal finish. The balance of the finish shows some light wear around the ejection port, barrel, and magwell. There are some light scratches on the receivers. The screw heads are sharp, and the markings are clear. The pins are unmarred. Overall, this rifle rates in about Excellent condition.
Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This rifle comes with a total of one magazine.
Our Assessment: The Colt SP1 is an emblematic piece of firearm history, revered for its role as the civilian version of the legendary M16 rifle, introduced in the early 1960s. Crafted with the sports shooter and collector in mind, this rifle shares the aesthetic and functional DNA of its military counterpart, embodying the era’s cutting-edge technology in firearm design. The Colt SP1 utilizes the direct impingement gas-operated system, a hallmark of Eugene Stoner’s original design, which contributes to its notable reliability and smooth action.
This rifle, with its distinctive triangular handguards, lightweight build, and classic 20-inch barrel, is a favorite among enthusiasts for both its historical importance and its performance. The SP1 does not just replicate the military experience in a civilian legal format; it stands as a collector’s item that captures the essence of a transformative period in firearms technology. Owning and operating a Colt SP1 is as much an homage to American innovation as it is a commitment to preserving a piece of rifle heritage. Whether on the range or in a display, this rifle offers a tangible connection to the past, while continuing to be a reliable and accurate shooter in the present. Please see our photos and good luck on your bid! -L.S.