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Posted: 12/20/2003 7:52:44 AM EDT
I'm assuming the forged is stronger, but how can you tell the difference?
Link Posted: 12/20/2003 9:49:09 AM EDT
Hmmmm, I'm forced to admit that I don't know what a receiver extension is...Where is it on an AR-15??? Anywhere near the buffer tube???
Link Posted: 12/20/2003 9:53:25 AM EDT
Receiver extension...buffer tube...same same.
Link Posted: 12/20/2003 10:29:44 AM EDT
Where do you see two types listed for sale?
Link Posted: 12/20/2003 10:35:15 AM EDT
[url]http://www.sawlesales.com/[/url]

SA61574E 01 BUTTSTOCK, RECEIVER EXTENSION - RIFLE (BUFFER TUBE), EXTRUDED 35.00

SP61574 01 BUTTSTOCK, RECEIVER EXTENSION - RIFLE (BUFFER TUBE), FORGED 65.00
Link Posted: 12/20/2003 10:41:30 AM EDT
[url]https://secure.valinet.com/~yankeeh/cgi-bin/web_store/web_store.cgi?page=products.html&&cart_id=6486442_3379[/url]


RECEIVER EXTENSION

YHM-8581: MILITARY - Precision machined from solid 7075-t6 aircraft quality aluminum, then hard coated and dry film lubricated to mil. specs.

YHM-8581
Qty:
Price: $23.50
 

YHM-8581H: COMMERCIAL - Precision machined to the same specifications as our military model, but excludes the dry film lubricant.

YHM-8581H
Qty:
Price: $20.80
 

YHM-8581C: COMMERCIAL ANODIZE - THE SAME AS OUR MILITARY MODEL BUT WITH A COMMERCIAL ANODIZE AND NO DRY FILM LUBRICANT.

YHM-8581C
Qty:
Price: $17.25
 

YHM-8581W: COMMERCIAL IN THE WHITE - The same as our military model but without any anodizing and no dry film lubricant.

YHM-8581W
Qty:
Price: $16.25
 
Link Posted: 12/20/2003 4:28:59 PM EDT
[Last Edit: 12/20/2003 4:29:24 PM EDT by Troy]
Link Posted: 12/20/2003 5:17:15 PM EDT
Hmmmmmmmm.  Never heard of a forged buffer tube before.  Must be a new way to separate people from their cash.  $65.00 for a (forged) buffer tube is outrageous!
Link Posted: 12/20/2003 5:34:44 PM EDT
Originally Posted By Bradd_D:
Receiver extension...buffer tube...same same.
View Quote


That being the case, I would guess that a tube/extension with *any* seam would be forged...since the extrusion wouldn't leave a seam...But just a WAG...(It may be machined afterward)...
Link Posted: 12/20/2003 6:14:57 PM EDT
IIRC, the Colt carbine (collapsable) buffer tube is a forged part, and the VLTOR (which is much less expensive) is a casting.

I have got to believe that the buffer tube on an AR15 is a high stress part (think leverage + buttstroke to the BG's head).

Troy, do you have any opinion of the Colt v. VLTOR extensions?

Thanks,

Corey
Link Posted: 12/20/2003 6:52:50 PM EDT
Link Posted: 12/21/2003 7:39:52 AM EDT
Originally Posted By Corey:
IIRC, the Colt carbine (collapsable) buffer tube is a forged part, and the VLTOR (which is much less expensive) is a casting.


Corey
View Quote


The Vltor is machined from an extrusion.  

I must say the pics of the forged vs. extruded rod may be misleading, as post-extrusion heat treating will generally improve grain structure dramatically. Immediately after extrusion, the alloy is soft and must be tempered to the proper hardness.
Link Posted: 12/21/2003 2:20:38 PM EDT
I was excited for a second at $23.00 they would be half the cost of Vltor (then I found out these are A2 reciever extensions) not Colt, spec CAR.

I have had both Colt and Vltor reciever extensions and I could not tell a difference, both are solid quality parts, the Vltor may have a smoother external finish, and it does have the 5th position.

I replaced my Colt's with Vltors. (The 5th pos gives me a lot more flexibility.)


[b]What is really interesting is [url]https://secure.valinet.com/~yankeeh/cgi-bin/web_store/web_store.cgi?page=forearm.html&&cart_id=6486442_3379[/url]

They claim that fixing the forend to the barrel greatly increases reliability.  (How is that possible?)[/b]
Link Posted: 12/21/2003 5:36:24 PM EDT
Originally Posted By bsbg:
Originally Posted By Corey:
IIRC, the Colt carbine (collapsable) buffer tube is a forged part, and the VLTOR (which is much less expensive) is a casting.


Corey
View Quote


The Vltor is machined from an extrusion.  

I must say the pics of the forged vs. extruded rod may be misleading, as post-extrusion heat treating will generally improve grain structure dramatically. Immediately after extrusion, the alloy is soft and must be tempered to the proper hardness.
View Quote


Thanks for clarifying!

Would the VLTOR be as strong as the Colt?

I'm extremely interested in the VLTOR (particularly after the 9/14/04), but would spend the extra money on the Colt if it were a stronger part.

Thanks again,

Corey
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