Polymer lowers

[Warlock1]

So I can see the benefits of the polymer lowers being lightweight and all, but what would be the downsides....

[dirtyhoboC]

polymer is strong, but not as strong as metal. That is why I wont by a AR made of plastic. I don't abuse my weapons, but if i trip on my way out somewhere, and I have my sling on, I don't want to fall and break my weapon over a rock.

[jet80tv]

Not exactly sure of the downsides. It's a relatively low stress part, more of a "housing" really, though it houses some important parts. Seems to work well in handguns!;) I'm sure AR "traditionalists" certainly wouldn't like the idea. Are you thinking of obtaining one?

[Toyoland66]

Take an engineered part designed to be constructed from forged 7075 aluminum, and now make it out of polymer without changing any of the dimensions. Sounds like a good idea to me.

How many times does this need to be discussed?

[Iraqgunz]

Take a look around at some previous discussions concerning Plum Crazy and polymer lowers.