Polymer 80 Glock 19

lbarron

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I just built my first Poly80 and figured I would share for anyone who may be interested. I purchased a kit through 80pbuilder for around $450 and had it shipped to my door and had it functional within a week after buying it. A lot of people think that building a Poly80 is only to get around the law or get an unregistered firearm to avoid any government hassle, however I believe that it is getting cheaper and cheaper to go this route and in the end you get more experience with the weapon you build. I also found that 80pbuilder is based in Charlotte and wanted to support local, not to mention they are the cheapest total build kits I could find without sourcing each part individually. My finished version is attached for anyone interested. I am not sure of the average break in period for a new Glock, but for my build it was around 150 rounds before it started cycling properly. During those first shots I could not even get more than 2 consecutive shots without a cycling issue or it not going into battery completely, as of now I have around 700 round through it and have had no cycling or battery issues since the initial break in.
 

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Welcome to the forum. Be sure to stop by the Welcome thread and introduce yourself.
 
I ordered a Polymer 80 lower PF940CLong, which uses a G17 slide and G19 grip. I had a complete G17 slide/barrel gathering dust and other spare parts. Paid about $120 from Brownells shipped to the house. Haven't built it yet as I'm still down range.


CD
 
Welcome to the P80 club. :)

For anyone building a P80 for the first time make sure that the channel in the frame for the guide rod has enough material removed, and there isn’t a lip for the recoil spring assembly to get snagged on. It should be nice and smooth.

Also sometimes the takedown lever isn’t sitting low enough in the frame. Thankfully both of these are easy fixes.
 
I have one sittin in the back of my truck for bout a year...gen 1...

Think I got it from someone here, or the Canadian forums....
 
Welcome to the P80 club. :)

For anyone building a P80 for the first time make sure that the channel in the frame for the guide rod has enough material removed, and there isn’t a lip for the recoil spring assembly to get snagged on. It should be nice and smooth.

Also sometimes the takedown lever isn’t sitting low enough in the frame. Thankfully both of these are easy fixes.
Yeah I did have some issues with the barrel block, and ended up going back to remove material 2-3 times. Overall though my biggest issue was the rear rails didn't sit flat so I had to seat them and then file and polish them to get the slide to rack smoothly.

I ordered a Polymer 80 lower PF940CLong, which uses a G17 slide and G19 grip. I had a complete G17 slide/barrel gathering dust and other spare parts. Paid about $120 from Brownells shipped to the house. Haven't built it yet as I'm still down range.


CD
I was originally going to go with the longer frame for the G17 but decided I liked the compact better. The whole milling or filing process on the frame only took me 20-30 minutes of work, and I used a dremel and files, the longest part of the process is getting the fine tuning down so it racks smooth and fits everything in right.
 
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I have a TS .22 upper for my gen2, I've been kicking the idea around of doing one of these frames to host the .22 upper full time.
 
What brand magwell is that? Looking good. I am in the process of building one, but being a cheapass I'm piecing it together as things go on sale.
 
What brand magwell is that? Looking good. I am in the process of building one, but being a cheapass I'm piecing it together as things go on sale.
It is a steel City magwell, they make several for polymer 80 specifically. Got it on eBay for about $75, so far it's the only decent magwell for polymer 80 that isn't plastic, at least from what I've found.
 
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