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12-07-2012, 08:48 AM
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#1
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M4 feed ramps?
if you have a barrel that has m4 feed ramps does the receiver have to have m4 feed ramps also?? MY receiver does not have them but my barrel does
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12-07-2012, 09:58 AM
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#2
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Yes they should both have M4 feed ramps, to the best of my knowledge.
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12-07-2012, 01:11 PM
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#3
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I think it's ok to have M4 feedramps on the barrel and not on the reciever, but not the other way around.
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"This year will go down in history. For the first time, a civilized nation has full gun registration. Our streets will be safer, our police more efficient, and the world will follow our lead into the future!” ~Adolph Hitler, 1935, on The Weapons Act of Nazi Germany
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12-07-2012, 01:17 PM
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#4
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Not sure if this helps.
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12-07-2012, 01:32 PM
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#5
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Moderator
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Its ok to have m4 ramps on the barrel but not on the reciever. If you have ramps on the reciever but not the barrel its easy to get rounds stuck under the edge of the barrel extension.
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12-07-2012, 02:10 PM
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#6
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I have a bush master carbon model and the receiver does not have ramps but barrel does...I'm getting ready to order yhm receiver and want to make sure if I need the one with out ramps
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12-07-2012, 02:12 PM
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#7
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@ kytowboater...looks like you have both
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12-07-2012, 08:53 PM
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#8
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Location: Northwest USA
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Quote:
Originally Posted by magnum05
I have a bush master carbon model and the receiver does not have ramps but barrel does...I'm getting ready to order yhm receiver and want to make sure if I need the one with out ramps
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magnum, look VERY carefully at kytowboater's closeup of the barrel and receiver. His barrel extension has M4 feed ramps (deep cut, not like rifle ramps). And his receiver also has M4 ramps as you'd expect. If your barrel has M4 feed ramps it would be best to get M4 ramps on the new receiver but not absolutely necessary. Now if your barrel has standard rifle ramps, DO NOT get a receiver with M4 ramps, as JonM said.
I guess BM doesn't cut M4 ramps into the composite receiver so who knows what ramps their barrel has.
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The biggest issue with assembling an AR isn't so much getting the parts together right - it's getting the right parts together.
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12-07-2012, 09:18 PM
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#9
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Kytowboater.
You have M4 extention and a M4 reciever. You sir are good to go!
The only BAD combination is non M4 extention with a M4 receiver. You will have feeding issues.
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Last edited by AgentTikki; 12-07-2012 at 09:21 PM.
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12-07-2012, 09:19 PM
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#10
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Join Date: Jan 2012
Posts: 53
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Well I remachined yhm barrel nut and rethread it so I won't need a new receiver now...issue I had was the barrel nut from BM was bigger than yhm so I couldn't put free float on that I bought but now with the yhm barrel nut machined to bm spec on composite receive...fits like a glove...thanks for all the help and knowledge for future builds
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