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Discussion Starter #1
Was curious as to if it is possible to purchase additional uppers for the 556. Also if they have different calibers available. Would really like to get a 6.8 upper if that is possible.
 

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You can buy all the uppers you want but they'll all be 5.56 and remember that's the part with the serial number. There's been talk for a while about a 308 BUT don't hold your breath and don't even count on it fitting your 556 lower.
 

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Discussion Starter #3
2Loud4You said:
You can buy all the uppers you want but they'll all be 5.56 and remember that's the part with the serial number. There's been talk for a while about a 308 BUT don't hold your breath and don't even count on it fitting your 556 lower.
That works I take it I have to contact sig directly to purchase the uppers?
 

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In all honesty I was joking around, I'm not sure if you can buy just the uppers. I was just making the point that the only caliber offered is 5.56mm
 

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Discussion Starter #5
2Loud4You said:
In all honesty I was joking around, I'm not sure if you can buy just the uppers. I was just making the point that the only caliber offered is 5.56mm
I caught some word on another board that SIG is not interested in selling uppers for the 556. I guess that is one disadvantage of the SIG as opposed to the standard AR platform.
 

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Next year there will be other uppers for the SIG 556 platform you can buy. Starting in 5.56 and later in 6.8, 5.45, 7.62x39.

It’s not going to be the first of the year, but some time in 2010.
 

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This was not from SIG but another manufacturer. And I heard it from someone inside the company, so I am pretty darn sure it is going to happen.
 

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Sig Uppers

I inquired at Sig and was told that they were planning on producing different uppers in different calibers but would not specify what and when. I wanted to build a Sig in .450 Bushmaster, .454 or maybe a pistol caliber.
 

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Wolfe4086 said:
2Loud4You said:
In all honesty I was joking around, I'm not sure if you can buy just the uppers. I was just making the point that the only caliber offered is 5.56mm
I caught some word on another board that SIG is not interested in selling uppers for the 556. I guess that is one disadvantage of the SIG as opposed to the standard AR platform.
The AR advantage is that there are so many different companies making AR-15 parts. FOR A REASON. They require replacement parts
You do not buy a Sig so that every other a$$hole in the US has the same rifle as you.
You buy a 556 so that it can be carried on your back across the continent... fire 5,000 rounds..... clean only the barrel..... and trustingly know that .....IT WILL OPERATE!
 

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desert punk said:
Next year there will be other uppers for the SIG 556 platform you can buy. Starting in 5.56 and later in 6.8, 5.45, 7.62x39.

It’s not going to be the first of the year, but some time in 2010.
Curious how you can about with this information...
 

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When I talk to Sig Customer Service I have ask the question and generally have to provide the answer too.

they are not very knowledgeable.
 
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