School me on polymer lowers

[LASER66]

There are many reasons for the poly, and for 80% in general, and many more reasons to stick with aluminum- it's all a personal decision. Many have seen the flexible mag well video and are convinced to go to poly. That said, they will likely never encounter an engagement where an aluminum mag well will be crushed and not be able to accept a magazine. I had a buyer say he liked the color options and did not want to paint an aluminum lower.

[JAGGUY]

I've had my Plumcrazy AR for several years and with several k run through it without a hiccup. I don't think I would take it into battle unless it was all I had but for a range gun it's great.

[Garyson1311]

I have New Frontier Armory lower with a CMMG lower parts kit and it runs great. Here is an interesting read about poly lowers. I personally don't see any problem with them

http://www.thetruthaboutguns.com/2012/12/chris-dumm/gun-review-new-frontier-armory-lw-15-polymer-ar-lower-receiver/

I will say I wanted a "non plastic" LPK in my lower.

[Garyson1311]

Stick with 6061 or 7075. They've been proven for several decades now; no reason to fix something that isn't broke.

Reminds me of the stuff they said about glocks when they first came out.

[Rock6.3]

I've had my Plumcrazy AR for several years and with several k run through it without a hiccup. I don't think I would take it into battle unless it was all I had but for a range gun it's great.

I don't want to have to take any of my arms into battle.

[Mossy Man]

While I'm a huge Glock fan, I'm still not sold on poly AR lowers.

[dyson]

Seems like you can find a Anderson 7075 lower on sale for not much more, might as well go with that.

[DudeDoug2000]

No offense but 500 rounds is a range trip. The true test are 5 years 10k rounds later with hundreds of trips being thrown around ina bag while go to and from the range. Being dropped. Banged etc.

If you shoot your AR that much you don't have a polymer lower, you probably have something much "better" 10,000 rounds is what? 4,800$ these days if your lucky. At that point what's a lower besides a speed bump?... I have a complete BCM rifle, a Spikes complete both are good rifles for me. I don't shoot competitive unfortunately. All my rounds are range only and the occasional trip outta state to my brothers range if you wanna call it that. Then I have a NFA lower with a Delton dissy upper. While it's not top of the line it doesn't need to be, it's ran fine no issuses with the lower at all and it's completely stock. I just think your off base is all hundreds of range trips thrown around? What is it a baseball? 10,000 rounds? Really? Be honest average shooter we are talking 10,000 rounds remember, is a long time. And it has a lifetime warranty. I know it's not the best, but I doubt anyone buys a poly lower thinking it's a "Battle rifle".

[mdib870]

I was just thinking about picking one up and putting it though it's paces if it breaks or wears out I'm only out a lower

[captbilly]

The true test is using the gun for your intended purpose.

No offense but 500 rounds is a range trip. The true test are 5 years 10k rounds later with hundreds of trips being thrown around ina bag while go to and from the range. Being dropped. Banged etc.

Look, I don't like polymer lowers so I am not arguing that point, but suggesting that the only test for the suitability of a polymer lower is if it stands up to your use patterns doesn't really add up. If someone wants a rifle that they will shoot 500 times in it's lifetime,and it will only be used at the range, then why would they need to know that it will last 10,000 rounds and withstand hundreds of trips, or being dropped banged, etc?

For my uses, long range target, I would like a steel upper and lower, but nobody makes them.

[Spyguy]

Reminds me of the stuff they said about glocks when they first came out.

Glock frames are not 100% polymer. They have steel reinforcements molded into the plastic.

[RUSSIAN]

i just dont get the whole polymer lower thing. you can find one for what $40-60. and get 7075 for $69. im all about budget, but im not going to skimp $20 for a lower

Never see a stripped lower in the Bay Area for less the $100...

[LASER66]

Got 2

Seems like you can find a Anderson 7075 lower on sale for not much more, might as well go with that.

I saw an ad for Anderson Lowers at $55 each (sorry weekend sale ended today I think, but it's at Larry's Pistol and Pawn in AL). Anyway, I'm the No. CA Dealer for EP Lowers but still can't pass up a deal on Aluminum ones

[blazeaglory]

I would like to get a poly lower for a dedicated .22lr build.

Cant beat the price!

[mdib870]

Hmm sounds like hey should reinforce the lowers with like a mesh or something maybe like concrete? Wonder if this has been tried? You know mold it into the plastic