Your post actually made me re-read the OP's post and notice my error. LOL, definitely mis-read it at the very least =] O well, shit happens.
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Regardless misreading the OP, as you do seem to have some real world insights perhaps you could enlighten us and share some of your insights going back to the original question. For instance - what is the deal with that Carpenter steel, and for that matter, manufacturing in general ?
From a consumer perspective, we pretty much know "all" there is to know about receivers, barrels and who makes what and why some are better than others, but when it comes to BCG's, we're still somewhat in the twilight zone. An understatement, considering it's importance in the scheme of things.
One pretty much has to surrender oneself to whatever brand-name is put on it, without knowing much about the manufacturing process, and why some are better than others, based on nothing other than reputation.
Which is pretty effective, but not very objective, it seems.
Apparently just like barrels, there seems to be a healthy balance between art and science, but this is just hearsay, would love to get some factual info.
Here is a post I ran across on a machinist forum that may either satisfy or pique some of your curiosity.
It would appear that in at least this instance the weapon manufacturer paid for and sourced the material for the contracted machine shop to produce the bolts.Quote:
Does anyone know of a "more-readily-available" alternative to Carpenter's Alloy 158?
We are currently making bolts for a very large AR-15 manufacturer. I have had several other smaller firearms companys contact me looking to purchase these bolts. But the material that we are currently using is supplied to us by our customer. The Carpenter 158 has to be purchased in 20,000 Lb lots and is roughly $5/Lb.
So I was wondering if there was another type of material out there that had the same chemical properties as the Carpenter 158, but could be purchased in smaller quantities (i.e. 1000 Lbs?) This is 3/4" dia. round bar stock.
good bolts seem hard to come by these days
They can be, but we have LMT bolts in stock now!
http://www.gandrtactical.com/cgi-bin...tion&key=L7A3B
C4
Is the info about the carpenter steel correct, or just another internet fish wives tale?
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Luke_Y's quote is a great thing to remember the next time someone says "these are made by the same people that make ___________'s!!!"