AR-15 A-2 UPPER MARKED "CMB" ?

fml

I HAVE AN AR-15 UPPER MARKED "CMB" NEAR THREAR SIGHT, DOES ANYONE KNOW WHAT MAKE THIS MIGHT BE? THANKS LUCKM7@AOL.COM

bigdog1

CM is from Colt- Martin Marieta. I have no idea what the "B" stands for. Maybe somebody at www.ar-15.com could answer???

ItGoBang

are you sure, it's not CMP ???[:D]

It will hurt you, More than it will hurt me..

Life Member... N R A

Thanks for all the help!