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Posted: 9/3/2004 8:12:52 PM EDT
What is the differences between the m4 and 16" car complete uppers? I plan on sellin my ak and movin back to the AR side. I have a good genral knowalge about these things but the only differece I could see was the barrels and price? And am i better of to get a .223 or 5.56 upper? What am i most likly to find much of at gun shops?
Link Posted: 9/3/2004 8:20:09 PM EDT
barrel contour and M4 feed ramps (feed ramps only apply on true M4 uppers, Colt or LMT)
Link Posted: 9/3/2004 9:54:18 PM EDT
What will the barrel contour effect?
Link Posted: 9/3/2004 10:58:42 PM EDT
M4 contour has that distinctive step down portion in front of the front sight base to facilitate M203 mounting.
Link Posted: 9/3/2004 11:05:08 PM EDT
Thank you, thats what i needed.
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