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9/6/2026 1:05:20 PM EDT



Looking for estimated value of a upper purchased many years ago. I purchased as a complete original Colt A2 Sporter Lightweight model with less than 100 rounds through it. The BCG is C stamped and MP on bolt, charging handle has no marking. Receiver has a few forge marks and fsb is mark B R 4.  Barrel is marked
C MP 5.56 NATO 1/7.
Thanks all for the help.
9/6/2026 3:40:04 PM EDT
[#1]
Originally Posted By Mash2k10:
https://postimg.cc/dZJgxhVv
https://postimg.cc/180w949T
https://postimg.cc/zHRH4Gt9
Looking for estimated value of a upper purchased many years ago. I purchased as a complete original Colt A2 Sporter Lightweight model with less than 100 rounds through it. The BCG is C stamped and MP on bolt, charging handle has no marking. Receiver has a few forge marks and fsb is mark B R 4.  Barrel is marked
C MP 5.56 NATO 1/7.
Thanks all for the help.
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Maybe here.

https://www.ar15.com/forums/AR-15/OFFICIAL-APPRAISAL-THREAD-REQUESTS-FOR-APPRAISALS-ONLY-IN-THIS-THREAD/123-523435/
"An age of glory passed like a lightning flash. The mandate of heaven passed from you but you didn't see. Times change and power passes. It is the pity of the world."

Song dynasty poet

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