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229-1 vs M11-A1 weight Login/Join 
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Sig's website lists the weight of the M11-A1 as 29.6 ounces. The 229-1 is listed at 34.4 ounces.

Is the correct? Is the A1 really almost 5 ounces lighter than the Nitron? If so where is the weight savings at?

I wouldn't think a rounded trigger guard and lack of rail would save 5 ounces. I'm curious enough that I kind of want to buy an M11-A1 to test out and compare to my 229.
 
Posts: 166 | Registered: February 02, 2011Reply With QuoteReport This Post
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I am guessing the P229 weight is for a .40/.357 model, which has a heavier slide. I am pretty sure a 9mm P229-1 uses the same slide as the M11-A1 and should weigh the same.
 
Posts: 2807 | Location: Texas | Registered: July 13, 2009Reply With QuoteReport This Post
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Just weighed my M11-A1:
Gun with an empty mag in place, = 29.6 oz.
With 15 rounds of 125 gr loaded, = 36.2 oz.

Not familiar with the Nitron P229-1 but a steel frame would account for the heavier difference.

HTH's Rod


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Posts: 743 | Registered: April 04, 2012Reply With QuoteReport This Post
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quote:
Originally posted by wgsigs:
I am guessing the P229 weight is for a .40/.357 model, which has a heavier slide. I am pretty sure a 9mm P229-1 uses the same slide as the M11-A1 and should weigh the same.


I thought the 229 slides were the same across all calibers?
 
Posts: 166 | Registered: February 02, 2011Reply With QuoteReport This Post
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quote:
Originally posted by Rodfac:
Just weighed my M11-A1:
Gun with an empty mag in place, = 29.6 oz.
With 15 rounds of 125 gr loaded, = 36.2 oz.

Not familiar with the Nitron P229-1 but a steel frame would account for the heavier difference.

HTH's Rod


Thanks for the numbers. the -1 frames are definitely alloy and not steel. I have one but no scales. Anyone with a good set of scales and a 229-1 want to weigh it and post your findings here?
 
Posts: 166 | Registered: February 02, 2011Reply With QuoteReport This Post
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Originally posted by linkscoach:

I thought the 229 slides were the same across all calibers?

The frames have been the same since beginning in late 2010, but not the slides. That is why you can do a caliber conversion between .40 and .357 by just swapping the barrels, but converting to 9mm requires an after-market conversion barrel. I seem to recall that a couple of P229 owners have successfully converted their .40 to 9mm by using a factory SIG 9mm barrel, but I personally would not do it.

Also, a 9mm P229-1, or M11-A1, can not be converted to .40 or .357 with just a barrel swap because of the differences between the slides.
 
Posts: 2807 | Location: Texas | Registered: July 13, 2009Reply With QuoteReport This Post
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Just weighed the following:

P229 (.40 no rail) with 9mm slide and magazine 31.29 oz

P229 .40 slide and barrel assy only 17.43 oz

P229-1 9mm slide and barrel assy only 16.44 oz

P228 slide and barrel assy only 14.25 oz

This message has been edited. Last edited by: GP229,
 
Posts: 1335 | Registered: October 01, 2013Reply With QuoteReport This Post
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That's kind of interesting. Thanks GP229. I assume the 228 weight is for an actual 228 and not an M11-A1?
 
Posts: 166 | Registered: February 02, 2011Reply With QuoteReport This Post
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Originally posted by linkscoach:
That's kind of interesting. Thanks GP229. I assume the 228 weight is for an actual 228 and not an M11-A1?

That it for a P228 slide and barrel assy only.
 
Posts: 1335 | Registered: October 01, 2013Reply With QuoteReport This Post
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