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Drool, slobber, drool --- I want one!
I stumbled across a Red Rock Arms ATR1 today. It is a 5.56 NATO version of the FN-FAL built on an aluminium receiver and it uses M-16 magazines!!! Ticket price was just under USD 1300.
Now if I could only work out how to convince my wife that we REALLY NEED this rifle I'd be home and hosed.
Yeah, Buckley's Mate!!!
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03-23-2009 10:00 PM
# ADS
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Alum. Receivers
Paul;
I'm not formilar with the weapon in question but I've heard and seen pictures
of some aluminum receivers blowing apart. If you want a nice shooting safe FAL you could put one together using either a DSA or Imbel receiver. There are some really nice parts kits still available, I talked to DSA last week and there is only a back log of about 6 week on their receivers, not bad considering what is going on these days in the gun market.
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Jeff
There should be no problem with an Aluminum Fal type receiver if it is properly engineered. The AR 15 is all Aluminum alloy and it has never had any problems. The reveivers you are talking about were the 308 version.
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Bob
you are right I was thinking of the 308 aluminum receivers that are out there. I don't know of any 223 FN varaiants, but would like to see some pictures of one.
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I apologize I take it that we are talking about a FNC sorry
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No Mate. The ATR1 is a short barrel - looked like 16" - aluminium receiver similar 5.56mm NATO version of a standard FAL - not an FNC that takes standard M16 mags. The Argies made a version back in the 1980s as memory serves.
As for DSA, I believe they make an 7.62mm NATO aluminium receiver as well.
I'm not in the market for a FAL as I have one FAL and two SLRs (one a Lithgow bitser [ex-Kiwi] on an Imbel receiver and the other an Enfield made) already.
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Paul
Nice! I don't know what an ATR1 is. I'll have to look it up. If you pick one up post a picture.
Jeff
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DSA has a warning on their site regarding aluminum FAL receivers. There was a company making aluminum .308 FAL recievers, and there were some that failed in service. See here:
http://www.dsarms.com/safety_warning.asp
The M16/AR15 works with an aluminum receiver because the bolt locks into a steel extension on the rear of the barrel. The upper reciever bears little load.
Aluminum is a material very different from steels. With steels, if your repetitive load is below some level, referred to as the load limit, repetitive loads will not cause failure. With aluminum, repetitive loading will eventually cause failure, and if one is to use the material one must regularly inspect for crack progression that typifies "fatigue failure".
There are few other materials that show the load limit phenomena. The only one I can remember is Titanium.
If this is a true Aluminum FAL upper receiver, don't put your face behind it.
CDD
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I'm not an engineer so I am only speculating here, but I suspect there is a significant difference between the recoil dynamics of a 5.56mm NATO and a 6.62mm NATO.
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"...don't know of any 223 FN variants..." The FNC is a .223/5.56.
A real AR-10 was made of Al. Al isn't bad stuff. Depends on the alloy used. M113's used Al armour. Some engine blocks are Al as well.
Spelling and Grammar count!
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