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Old 05-18-2012, 06:31 AM   #11
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Personally I would stick with forged or billet aluminum and to those that obsess about weight ...

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A nice inexpensive light lower option at 1LB, 11oz compared to 2lb, 3oz of a similarly equipped forged lower.
a whopping 8oz difference ..... do some damned push ups!
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Old 05-18-2012, 07:16 AM   #12
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Quote:
Originally Posted by dog2000tj View Post
Personally I would stick with forged or billet aluminum and to those that obsess about weight ...



a whopping 8oz difference ..... do some damned push ups!
The other concern? How much of that weight loss isn't the lower, but the parts in it? If someone is that worried about weight, get rid of some of the bling that they put on the rifle. I'll sacrifice the luxury items that I don't really need before I'll sacrifice a component I consider crucial.
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Old 05-18-2012, 08:38 AM   #13
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New Frontier Armory is my fav LGS. Close to my home. They sell cheapest prices (online) but i'm not a fan of their polymer lowers. I will buy polymer lowers when i turn so old that i can't even hold alumunium lowers anymore.

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Old 05-18-2012, 02:12 PM   #14
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Quote:
Originally Posted by dog2000tj
Personally I would stick with forged or billet aluminum and to those that obsess about weight ...

a whopping 8oz difference ..... do some damned push ups!
I agree but if only it was that easy. A slung weapon will ware you down no matter how strong you are. I've seen dudes w/ huge shoulders bitching about how "heavy" their weapon was. 8oz is half a pound. Add a couple of those here and there and see how quickly the firearm looses it's maneuverability.

Even the Army makes weight a priority. The just did an overhaul of their 240s in order to lighten them up.

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Old 05-18-2012, 02:15 PM   #15
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Big Rock!

In my opinion I have but one comment! NOT!


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Old 05-18-2012, 02:39 PM   #16
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Had one; the mag well was too tight for a GI mag, so when I went to file it out, I made a mess of it. If you are worried about weight, look into a lighter barrel, or like Ben said, get rid of the bling.

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Old 05-18-2012, 06:30 PM   #17
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I mainly thought about the polymer lower as a training AR for my son simply because it was fairly inexpensive. I honestly like assembling my lowers myself, just so I know what is there and how to repair it if anything goes wrong.

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Old 05-18-2012, 06:59 PM   #18
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I have a Plum Crazy polymer lower mated to a PSA upper. I have not had enough rounds down range to tell you how it will hold up over time. But I can tell you the following...

Mag well is no problem. Magazines lock up solid.
There is no slack between the lower and upper. They fit like a glove.
The Plum Crazy trigger leaves a lot to be desired. It's crunchy, but I doubt much worse than any other stock trigger. It will be the first thing replaced.
Safety will eventually be replaced, but it is not a priority.

I would buy it again. I figured that if it didn't work out, I'm not out much.

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Old 05-19-2012, 01:08 AM   #19
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I knew Glock was going to get in the AR business sooner or later, they are just under a different name..... Lol

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Old 05-19-2012, 04:27 AM   #20
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Quote:
Originally Posted by GunRunner View Post
I knew Glock was going to get in the AR business sooner or later, they are just under a different name..... Lol
Polymer works in the Glock lower, we're still waiting for that kind of reliability/durability in the AR.
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