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Posted: 11/22/2012 2:37:07 PM EST
Does any one have a list of manufactures for forged lower reciever blanks? I have heard there are only 3 or 4 companies that actually take raw aluminum to a forged blank reciever product - from which all the others name brand companies purchase and then mill.

Thanks in advance for the help.
Link Posted: 11/22/2012 4:00:27 PM EST
[Last Edit: 11/22/2012 4:01:19 PM EST by warpig8654]
There are several forges in operation. There are also several machine shops doing the machine work. There is a list floating around a few of the threads on this site.
Link Posted: 11/23/2012 12:25:14 PM EST
Anyone else?
Link Posted: 11/23/2012 1:44:41 PM EST
[Last Edit: 11/23/2012 3:57:35 PM EST by warpig8654]
Here's a list (prolly incomplete) of forge operations for AR receivers:

Cerro Forge
Brass Aluminum Forging
Alcoa Forge
Cardinal Forge
Kaiser Aluminum
Mueller Industries
Anchor Harvey
Martin Marietta


Further, are you referring to 0% or 80% lowers?
Link Posted: 11/23/2012 2:54:27 PM EST
They are almost all forged. You will normally pay more for billet which is the only other way I know they are being made. I'm not sure anyone is producing a cast lower these days.
Link Posted: 11/23/2012 6:08:20 PM EST
Originally Posted By warpig8654:
Here's a list (prolly incomplete) of forge operations for AR receivers:

Cerro Forge
Brass Aluminum Forging
Alcoa Forge
Cardinal Forge
Kaiser Aluminum
Mueller Industries
Anchor Harvey
Martin Marietta


Further, are you referring to 0% or 80% lowers?


Add Anderson Machine. I know my Lanco Tactical lower is made by them.

Doesn't YHM also forge their own parts?
Link Posted: 11/23/2012 6:34:28 PM EST
I have heard this as well.
I think there is just a hand full of companies making forged lowers to whatever percentage for the manufacturers to finish.
I heard some are finished 99% except for name and serial #, then they are finished per that manufacturers order

Aren't most Billet lowers completely made (CNC'd) by the manufacturers themselves from blanks?
Link Posted: 11/23/2012 7:01:20 PM EST
Aren't most Billet lowers completely made (CNC'd) by the manufacturers themselves from blanks?

Billet receivers are machined from bar stock usually using CNC machines. Forged receivers are first forged (shaped in a die) to rough size and then machined, usually using a CNC machine. Yes, you can machine a receiver using a Bridgeport type machine but it is much more operator training dependent,
Pat

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