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1/25/2018 7:38:29 AM
Posted: 12/18/2003 1:19:34 PM EST
I have been to forums all over the web and got a lot of guess but no one knows for sure on the barrel of my colt sp-1 there is a C followed by a MP and then a B does anyone know what the B stands for

Link Posted: 12/18/2003 1:35:40 PM EST
Chrome [b]b[/b]ore, maybe? [>:/]
Link Posted: 12/18/2003 2:39:26 PM EST
Two different philosophies on this----one is B is for Bushmaster, the other is that the B refers to 'Both' the Chamber and the bore being chrome lined. I'd bet that the B probably is for Bushmaster.
Link Posted: 12/18/2003 4:07:37 PM EST
if i remember correctly the B on a bushy comes before the MP.
Link Posted: 12/18/2003 4:21:19 PM EST
[Last Edit: 12/18/2003 4:22:12 PM EST by hvac]
about 90% of the people I have talk too also say the first letter is the company is there anyone out there that has a 1978 SP-1 CAR 15 that has the same markings?
Link Posted: 12/18/2003 4:50:56 PM EST
I was just looking on the for sale on this site and colt 653 has a NIB 1974 SP-1 for sale that has the same markings on it I E-mailed him to see if he knows what it means if anyone knows him please let him know about my question
Link Posted: 12/19/2003 11:02:07 AM EST
colt 653 answered my question he says eary model colt had a B that stood for chrome bore where as the later colts have it spelled out Chrome Bore on the barrel. thanks for everyone's help
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