Items Available For Purchase Today Object reference not set to an instance of an object. See All 1972 CM forge code COLT SP1 UPPER COMPLETE For Sale from: Xtrudes | No feedback Yet View | Verified Seller | 4 Completed Sales View Sellers Items 1972 CM forge code COLT SP1 UPPER COMPLETE For Sale from: Xtrudes | No feedback Yet View | Verified Seller | 4 Completed Sales View Sellers Items Xtrudes Seller Since: Jan. 2012 Identity Verified ( OAK CREEK, WI ) This seller is NOT an FFL City: OAK CREEK State: WI SOLD - $800.00 Shipping: $10.00 Accepted Payment Methods: Returns: Only if Defective Description: I have for sale a CM Forge code COLT SP1 complete upper off of a 1972 serial numbered COLT SP1 AR-15 Lower. Chambered in .223 Remington. I am selling this complete upper because I have replaced it with a COLT A1 upper because I wanted the forward assist. This upper is clean, neat, and in EXCEPTIONAL cosmetic condition. Complete with original bolt carrier, bolt plus all bolt hardware, and charging handle. Barrel is excellent with strong rifling. Dust cover shows some discoloration from heat from firing, and is also original.. 42 years old, and produced during the Vietnam war in 1972. CM forge code was used in a small percentage of 1 production. gray lugs Colt proof marked gray/blue anodizing standard A1 port door matching slip ring bird cage A2 flash suppressor modern gas tube A GEM COLT UPPER! PRICE IS FIRM WILL SHIP AFTER RECEIPT OF PAYMENT. Can take more photos and send to you upon request. Condition: Used - See Item Description Brand: Colt Caliber: .223 Remington (5.56 NATO) Item #: 953163465 Location: WI Trades Accepted: No Share: Shipping Notes: Shipping Priority mail fully insured for $10.00 Items You've Viewed Recently 1972 CM forge code COLT SP1 UPPER COMPL... $800.00 SELLER: Xtrudes Add To Cart