S&W M&P 15 Question


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cyclopsshooter
June 11, 2009, 05:29 PM
Are the upper and lower receivers on the S&W forged billet or cast?:confused:

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highorder
June 11, 2009, 05:32 PM
They are forged.

You would be hard pressed to find a cast AR receiver these days.

cyclopsshooter
June 11, 2009, 06:06 PM
thanks much!

otrman
June 11, 2009, 07:37 PM
Technically they are forged castings, close to specs then finish machining is done at a manufacturer. There are a couple of manufacturers that machine their uppers and lowers from solid blocks of billet aluminum. Here is a link to their website and a video of them making a lower, www.sonju.net/made . Whether or not ones made that way are better for the cost difference I don't know. But neat to watch them made.

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