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#11909578 - 03/19/17 Looking for flat top AR upper receiver with standard feed ramps
mbrook Offline
Campfire Regular

Registered: 06/24/05
Posts: 335
Loc: SE Michigan
I just acquired a high quality Douglas 223 AR barrel and it has the standard, non M4, feed ramps. Rather than modifying the barrels feed ramps, I am looking for a flat top upper receiver with standard feed ramps. I found a couple of new upper options, but i thought I would check to see if anyone has a quality used one they are willing to sell. Thank you.
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#11910992 - 03/19/17 Re: Looking for flat top AR upper receiver with standard feed ramps [Re: mbrook]
kwg020 Offline
Campfire Outfitter

Registered: 02/06/04
Posts: 7826
Loc: North of Des Moines
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#11911180 - 03/19/17 Re: Looking for flat top AR upper receiver with standard feed ramps [Re: kwg020]
mbrook Offline
Campfire Regular

Registered: 06/24/05
Posts: 335
Loc: SE Michigan
Thanks for the heads up on the upper. I just placed an order with Brownells for one.
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#11915712 - 03/21/17 Re: Looking for flat top AR upper receiver with standard feed ramps [Re: mbrook]
APDDSN0864 Offline
Campfire Kahuna

Registered: 08/31/03
Posts: 16415
Loc: Alaska/Texas
Please educate me. Why would you not want M-4 feedramps?

Ed
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#11915796 - 03/21/17 Re: Looking for flat top AR upper receiver with standard feed ramps [Re: mbrook]
wareagle700 Offline
Campfire Ranger

Registered: 01/24/10
Posts: 1909
Loc: GA
For barrels without m4 cut barrel extensions.



Edited by wareagle700 (03/21/17)
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#11915885 - 03/21/17 Re: Looking for flat top AR upper receiver with standard feed ramps [Re: wareagle700]
APDDSN0864 Offline
Campfire Kahuna

Registered: 08/31/03
Posts: 16415
Loc: Alaska/Texas
Thank you, sir!

Now that I got that, is there a reason to build a rifle without M-4 feedramps? I guess what I'm trying to ask is;

Do M-4 feed ramps add or take anything away from reliability, feeding, accuracy, etc?

Ed
_________________________
"Not in an open forum, where truth has less value than opinions, where all opinions are equally welcome regardless of their origins, rationale, inanity, or truth, where opinions are neither of equal value nor decisive." Ken Howell


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#11915906 - 03/21/17 Re: Looking for flat top AR upper receiver with standard feed ramps [Re: mbrook]
wareagle700 Offline
Campfire Ranger

Registered: 01/24/10
Posts: 1909
Loc: GA
For AR-15's the important thing is that they match. Even if they don't it will still work, you just won't have the "correct" parts.

The M4 ramps are supposed to add a little extra feeding insurance for full auto fire, the M4 cuts in the upper are pretty standard now as most barrels are using the M4 cut barrel extension.
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