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post #1 of 5 (permalink) Old 04-24-2010, 10:19 PM Thread Starter
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Polymers VS Alloy

Polymers VS Alloy

There’s a lot I would love too own, However, I’m also loving the XDM in .40 S&W
I have never own a polymer handgun before…so what’s the skinny?

Can someone breakdown the pluses and minuses of either for me. I remember when the Glock first hit the market and seeing all the durability test they put that gun through. I sure the XDM has the same durability as the Glock. Does a poly frame wear out faster then a alloy auto?

I have been out of the game for a while and I’m just getting back into it.


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post #2 of 5 (permalink) Old 04-25-2010, 10:39 PM
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Without writing a book on the topic.....

both will outlast the average lifespan of it's owner. As alloy was used to decrease weight over steel, poly is the nest evolution in weight loss. The con is slide to frame fit. As the poly guns have metal inserts molded into them you will never be able to acheive a slide to fram fit as tight as a metal gun. Otherwise these things will run. On average poly guns are rated at 40K round befor failure.

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post #3 of 5 (permalink) Old 04-26-2010, 07:41 AM
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I've been told by the XD rep and some others, that poly also flexes a fraction under recoil, which absorbs some of the recoil. I can't imagine this being a lot of flex, but that's one of the Pros as explained to me.

Another con is that poly frames typically don't have interchangeable grips (think 1911). Though the more recent trend is swappable backstraps which is good enough for me. You'll find poly owners like to stick traction tape or use a soldering iron or some other heat tool to stipple their grips. IMHO, I've never felt the need, even shooting in the rain for such changes.

I'm very happy with my older XDs, and I'd put them up against Glocks in every repect. Ford vs Chevy if you get my meaning.

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post #4 of 5 (permalink) Old 04-26-2010, 08:31 AM
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I have often wondered why the poly guns do not come at an appreciable cost savings over a metal (machined) pistol. The initial mold costs for the poly guns is high, but the cost after manufacture has to be quite a bit less than a pistol that has to be machined and finished. Rugers (at one time...) were priced at a decent advantage over other pistols as they use a cast frame (and slide?) that cost much less to final machine and finish than using a machined forging. Having your own foundry has to help as well.

The XDm line seems to be the current darling of the pistol magazine crowd, and the full color whole page ads in said magazines just might be the reason for that...seems that Glock has lost some of its market to the XD and M&P products. FYI, there is a semi-local guy that does work on the XD models and was well thought of when I shot some IDPA 4 years or so ago.

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post #5 of 5 (permalink) Old 04-26-2010, 10:26 PM Thread Starter
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You do seem to get a lot of gun for your money… Well, from what I see looking at the XDM. It comes with a nice case, Two clips, Clips holster , Gun holster and Speed Loader. 3 Changeable Blackstrap.

I love the safety features… It has 5 of them. Just by feel alone you can tell if gun is cocked or if there’s a round in the chamber. I haven’t even held the gun in my hands yet, however, I already know how to field strip it and reassemble it. I guess it also comes with an upgraded barrel.

For myself… I think is about the best looking poly handgun. But, I still need to shoot it.

I'm sure it will shoot good.

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