Show me your Sig 556

That looks really good. Is that the 550 style hand guard?

Yes...the Swiss Surplus not the Sig commercial.

I used some JB weld and added a little permatex silicone gasket maker to the front end to get it tight fitting in the gas block. Both should be rated for enough heat.
 
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The A2 stock is going.
 
Yes...the Swiss Surplus not the Sig commercial.

I used some JB weld and added a little permatex silicone gasket maker to the front end to get it tight fitting in the gas block. Both should be rated for enough heat.

Got a link for where to get that hand guard?
 
Most likely this.

http://riflestocks.com/store/product3.html

No reason to get a fancy stock that will cost me more money to get it uneffective. Yeah I just made that word up. When I move to a free state the stock will be converted to a folder.

FWIW, I have that same basic stock on my XCR. The top tube is a smaller diameter compared to the ACE stock for an AR15 and that smaller diameter makes it not quite as comfortable. I'd go with the setup JD09 has and I'm considering it for my XCR.
 
FWIW, I have that same basic stock on my XCR. The top tube is a smaller diameter compared to the ACE stock for an AR15 and that smaller diameter makes it not quite as comfortable. I'd go with the setup JD09 has and I'm considering it for my XCR.

I'm not concerned with comfort.
 
Got a link for where to get that hand guard?

I got them from colorado gun sales

Sometimes they list them for a a few $ cheaper on ebay if you are patient.

https://www.cogunsales.com/index.php/SIG-551-556-Parts-Accessories/Swiss-SIG-551-Handguard-Set/Detailed-product-flyer.html

They will be a little loose...for some reason Sig made the the 556 gas block a little wider where the front part of the hand guard fits. Not a big deal but I like it tight. As I mentioned a little JB Weld and some simple high heat silicone gasketing took care care of that.
 
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