http://www.customar15.net/shop/ar-1...arts/upper-receiver-assembled-aero-precision/
In store too in Jefferson
In store too in Jefferson
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A barrel can have standard or M4 feed ramps. An upper can also be a standard upper or have extended/M4 feed ramps.I don't understand it advertised feed ramps, but isn't that part of the barrel?
Oh OK I thought it was barrel only.A barrel can have standard or M4 feed ramps. An upper can also be a standard upper or have extended/M4 feed ramps.