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12/10/2015 1:47:43 PM EDT
who makes the best a4 upper without the M4 feed ramps? is there much difference between the ones out there?

thanks
12/10/2015 1:58:31 PM EDT
[#1]
Quoted:
who makes the best a3 upper without the M4 feed ramps? is there much difference between the ones out there?

thanks
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There is a machine shop in Berlin CT with a 5 axis CNC. The set up guy is weird as fuck, but I think they make some nice ones...
12/10/2015 2:07:55 PM EDT
[#2]
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Quoted:



There is a machine shop in Berlin CT with a 5 axis CNC. The set up guy is weird as fuck, but I think they make some nice ones...
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Quoted:
Quoted:
who makes the best a3 upper without the M4 feed ramps? is there much difference between the ones out there?

thanks



There is a machine shop in Berlin CT with a 5 axis CNC. The set up guy is weird as fuck, but I think they make some nice ones...



LOL the programmer is weird as fuck, set up guys are just kids
12/10/2015 2:09:44 PM EDT
[#3]
Most A3s were A2s with full auto fcg.

You looking for an A2 or an A4?
12/10/2015 2:31:58 PM EDT
[#4]
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Quoted:
Most A3s were A2s with full auto fcg.

You looking for an A2 or an A4?
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flat topped a2 receiver, without m4 ramps
12/10/2015 5:01:46 PM EDT
[#5]
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flat topped a2 receiver, without m4 ramps
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Quoted:
Quoted:
Most A3s were A2s with full auto fcg.

You looking for an A2 or an A4?

flat topped a2 receiver, without m4 ramps


That's an A4.
12/10/2015 5:54:18 PM EDT
[#6]
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Quoted:


That's an A4.
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Quoted:
Quoted:
Quoted:
Most A3s were A2s with full auto fcg.

You looking for an A2 or an A4?

flat topped a2 receiver, without m4 ramps


That's an A4.

thanks for the correction
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