Yeah, Colt quality is not very consistent in my opinion. As was already mentioned, there are colt bolt carriers without the "C."
I absolutely trust Brownells for selling real Colt parts when they say they are Colt. It's possible they made a mistake, but it is unlikely.
Compare the gas key screws and staking. They should all look the same.
Joe Mamma
"Reliability above all else"
NRA Certified Pistol and Rifle Instructor, Life Member
Glock Certified Armorer
Beretta & Sig Sauer Certified Pistol Armorer
Colt Certified 1911 & AR-15/M16/M4 Law Enforcement Armorer
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