m4 feedramps question

[tmsand338]

So I bought a blemished stripped upper form Palmetto State Armory. It came within a couple days and I can't find a thing wrong with it.... EXCEPT, it doesn't have m4 feed ramps cut into it. Now I know this is probably a stupid question, but do barrels in rifles with m4 feedramps have cuts in them too? If so, can I still use such a barrel? Or do I have to find a barrel that is specifically designed for a weapon without M4 feedramps. It doesn't bother me that I don't have M4 ramps, I just want to know what types of components I need that will work together.
Thanks.

[MarkCO]

You can use a barel with M4 feedramps cut into the extension or not with a receiver lacking the cuts. Just don't use a receiver with M4 cuts and a barrel without.

[BPTactical]

You can use a barel with M4 feedramps cut into the extension or not with a receiver lacking the cuts. Just don't use a receiver with M4 cuts and a barrel without.

What he said.

[zteknik]

You can use a barel with M4 feedramps cut into the extension or not with a receiver lacking the cuts. Just don't use a receiver with M4 cuts and a barrel without.

On this note can you have the cuts done on a barrel that dosen't have them?

[BPTactical]

On this note can you have the cuts done on a barrel that dosen't have them?

Yes, but it is not something you want to Bubba. If the rifle runs fine as is, leave it be.

[spleify]

Bert can you add the feed ramps to the upper for him?

[BPTactical]

Bert can you add the feed ramps to the upper for him?

Yes

[NightCat]

http://pictures.second-amendment.org/albums/userpics/10001/barrel-feed-ramps.jpg
http://www.ar15armory.com/forums/uploads/1315930128/gallery_18313_138_71257.jpg

[Teufelhund]

Thanks for the pictures, NightCat. Good info [Awesom]

Does this same thing apply to a 300 BLK?

[20X11]

Yes...it applies regardless of chambering

[tmsand338]

generally, what does it cost to have the cuts made into the upper? I'd like to do this, but the whole point of buying a blemished was to be on the cheap.