Thoughts on Poly80 Glock Frame?

[tomandjerry00]

They seem pretty affordable from Midway right now at $69.99 (missed out on $59.99 this weekend):

https://www.midwayusa.com/product/1...frame-kit-glock-17-17l-22-24-31-34-35-polymer

Anybody made one of these before?

More for the benefits of an 80% firearm and having a little weekend project as I already have an Glock 17. No metal rails I don't think but wouldn't be a primary shooter anyway. Plan to mill on my bench-top drill press slowly.

Any weird MD laws I should know about if I don't have my HQL? Other thoughts?

Thanks as always

 

[Alphabrew]

Obsolete, pass. The one you want is the newer style frame with the metal rear rails. The older one that is now on fire sale might be good as a lower for one of those Glock carbine uppers like a Mech Tech or something like that. As a pistol it's worth the extra cash for the newer style 80% frame.

 

[SCARCQB]

When the rear plastic rails wear out. You get a Glock 18.

 

[judah7]

When the rear plastic rails wear out. You get a Glock 18.

Foreal?

 

[Alphabrew]

Foreal?

*reaching for dremmel*

I'm not sure but I don't see why that would create a full auto situation.

 

[HordesOfKailas]

I vaguely remember about the rear rails breaking in a G17 and giving unreliable full auto. Seemed like more of a liability than anything else.

 

[Overboost44]

There is an entire thread here that I have been using for info. It should have your answers in it. I bought everything for the G19 and took the LPK out of my cart by accident when I purchased a Zev trigger. Now I have everything to finish mine other than some $25 worth of key parts
Check this out. https://www.mdshooters.com/showthread.php?t=206013

 

[4guyz1stool]

Heres a picture of one that broke after being thrown out of a car. This would not happen to a glock.


https://www.reddit.com/r/Firearms/comments/6ekuil/my_local_pd_posted_a_picture_of_a_gun_that_a/

 

[BradMacc82]

*reaching for dremmel*

I'm not sure but I don't see why that would create a full auto situation.

I can tell you in all honesty, mine went full rock and roll when that right rear rail sheared off. First it doubled a few times, likely before the rail fully let go - and then it dumped 8 rounds of .357 SIG in well under 3/4 of a second.

It was the most terrifyingly badass malfunction I've ever had with a handgun.

 

[GuitarmanNick]

I will be milling mine tomorrow. It was cheap enough to make it worth trying. Getting mags is a pain, but I will get some 17's.

I hope mine turns out better than some I have seen. From what I have learned, it is best to machine it carefully and not remove too much material.
Finishing it carefully, by hand should result in solid rear rails.

 

[BradMacc82]

I've solved the problem of taking too much off the rear rails on the 17 frames. And it's a simple fix - you fit the 19 rear rail module into it instead.





**It works for me, since I have multiple frames on hand, so I can just swap stuff around as the mood hits me. And it's really not that difficult to fit the 19 rail module into the 17 frame.

 

[Rob1035]

Could the metal 19 rails be fitted into the previous gen 80% frames (the ones on sale now)?

 

[Alphabrew]

I've solved the problem of taking too much off the rear rails on the 17 frames. And it's a simple fix - you fit the 19 rear rail module into it instead.

View attachment 206847

View attachment 206848

**It works for me, since I have multiple frames on hand, so I can just swap stuff around as the mood hits me. And it's really not that difficult to fit the 19 rail module into the 17 frame.

How do you drill the hole for the rear rails in the 17 frame? Does the 19 jig work?

 

[GuitarmanNick]

Mine turned out well. Take your time while milling. The material is soft enough to work with a file for final fitting of the slide. I milled the rear rails being careful not to cut into the jig with the supplied bit.

When I went to fit the slide, it would not fit over the rear rails until I finished cutting the grooves a little deeper with a file. As soon as the slide would fit tightly onto the rear rails, I wrapped my file in sandpaper and smoothed the grooves just a little. The slide still fit snugly, but moved freely as intended.

I test fired the gun and it cycled perfectly in my 3 shot test. Very please with the finished product!

 

[BradMacc82]

How do you drill the hole for the rear rails in the 17 frame? Does the 19 jig work?

Use the 17 jig, but with the 19's bit that came with the kit. It actually worked out pretty well or me, and I went true durka-durka on the test frame - only used a dremel with a milling bit and a MAPP gas torch to fit the rear rail module into the 17 frame.

*Sorry about the late reply, I've been out of country for the past week.

 

[teratos]

Can you get just the rear rail module anywhere?

 

[BradMacc82]

Can you get just the rear rail module anywhere?

I haven't inquired, as of yet. But it never hurts to ask, worst they can say is it isn't available individually.

 

[tomandjerry00]

Decided to pull the trigger today with their free shipping discount, and now its back up to $150.

Guess this one will have to wait.

Thanks for all the feedback! I'm going to try to pick one up as project, not a first line firearms.

 

[BradMacc82]

The 19 (aka 19/31/32 Hybrid) has performed well for me so far.

I'm at exactly 1450 rounds spent, with only a small number of malfunctions (all FTE's - didn't kick the brass all the way out). And that's with 0 cleaning, literally. I just add a little grease to the rails and let her eat some more.

Wouldn't say I'm ready to use it as a carry/hd piece yet, but I'm gaining some confidence that it'll last a while.

 

[whistlersmother]

I test fired almost 100 rounds yesterday through my completed 19 (pf940c). Not one failure.

I'll be taking it with me on range trip from now on to put some more rounds through it.

I'm interested in how the rear pin on the locking block holds up. I'm not worried about the rails since the 19 comes with metal.