If you are working on a Polymer80 build or even wanting to overhaul your existing Glock, there are a ton of parts on eBay. You can find some good deals but I would recommend you stick with reputable brands and sellers. For the sellers, I would look for lots of sales – at least over 30 and ideally hundreds – and very good scores. There are cheap imports/knock-offs showing up so beware no-name stuff.
The following are all real-time listing on eBay so you can go there and find parts.
Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

$24.99
End Date: Wednesday Jan-1-2020 6:12:54 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Extended Magwell for Polymer 80 Glock Frame

$20.00
End Date: Wednesday Dec-18-2019 12:48:04 PST
Buy It Now for only: $20.00
Buy It Now | Add to watch list
Alpha Se7en Compact Aluminum Flared Magwell for Polymer 80 PF940C | PF940V2 P80

$35.95
End Date: Monday Dec-23-2019 18:11:23 PST
Buy It Now for only: $35.95
Buy It Now | Add to watch list
Steel City Arsenal 9mm Upper Parts Kit for Glock Gen 1-4 Polymer 80 w/Liner Tool

$79.99
End Date: Tuesday Dec-17-2019 16:11:31 PST
Buy It Now for only: $79.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

$25.99
End Date: Wednesday Jan-1-2020 6:12:54 PST
Buy It Now for only: $25.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$24.99
End Date: Saturday Dec-7-2019 12:16:41 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Glock 27 OEM Style Slide Std Sights Black G27 Gen 3 940SC Polymer 80 OEM - USA

$144.99
End Date: Wednesday Jan-1-2020 5:27:51 PST
Buy It Now for only: $144.99
Buy It Now | Add to watch list
Steel City Arsenal Slim magwell for Polymer 80 PF940C Frames- Anodized Black

$74.99
End Date: Tuesday Dec-17-2019 16:11:25 PST
Buy It Now for only: $74.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$24.99
End Date: Saturday Dec-7-2019 12:16:41 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$24.99
End Date: Saturday Dec-7-2019 12:16:41 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Steel City Arsenal Slim magwell for Polymer 80 PF940CL Compact Long Frames- Anod

$74.99
End Date: Sunday Dec-29-2019 8:36:06 PST
Buy It Now for only: $74.99
Buy It Now | Add to watch list
For GLOCK Gen 1-3 G17 or Polymer 80 Lower Parts Kit OEM 9 millimeter Choose Kit

$79.95
End Date: Wednesday Dec-18-2019 7:05:17 PST
Buy It Now for only: $79.95
Buy It Now | Add to watch list
9mm Compact Premium Lower Parts Kit for Glock 19 Gen3 and Polymer80 PF940Cv2

$64.95
End Date: Saturday Jan-4-2020 8:25:47 PST
Buy It Now for only: $64.95
Buy It Now | Add to watch list
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$91.97
End Date: Friday Dec-20-2019 16:10:48 PST
Buy It Now for only: $91.97
Buy It Now | Add to watch list
For GLOCK Gen 1-3 G17 or Polymer 80 Lower Parts Kit OEM 9 millimeter Choose Kit

$51.95
End Date: Wednesday Dec-18-2019 7:05:17 PST
Buy It Now for only: $51.95
Buy It Now | Add to watch list
GLOCK 19 Gen 1-3 Lower Parts OEM 9MM Polymer 80 PF940C OEM Kit G19

$52.99
End Date: Thursday Dec-26-2019 16:55:17 PST
Buy It Now for only: $52.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$24.99
End Date: Saturday Dec-7-2019 12:16:41 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Glock OEM Lower Frame Parts Kits For Glock Gen 1-3 G17 And Polymer 80

$50.95
End Date: Friday Jan-3-2020 18:28:01 PST
Buy It Now for only: $50.95
Buy It Now | Add to watch list
Lone Wolf Distributors Lower Parts Kit for Glock or Polymer80

$74.99
End Date: Wednesday Jan-1-2020 12:14:18 PST
Buy It Now for only: $74.99
Buy It Now | Add to watch list
Steel City Arsenal magwell Specifically for Polymer 80 PF940V2 Frames- Ano Black

$74.99
End Date: Tuesday Dec-17-2019 16:11:25 PST
Buy It Now for only: $74.99
Buy It Now | Add to watch list
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$50.90
End Date: Friday Dec-20-2019 16:10:48 PST
Buy It Now for only: $50.90
Buy It Now | Add to watch list
9mm Economy Upper Parts Kit with Guide Rod fits Glock 19 Polymer80 PF940V2

$79.95
End Date: Tuesday Dec-31-2019 14:59:00 PST
Buy It Now for only: $79.95
Buy It Now | Add to watch list
Steel City Arsenal Magwell for Polymer 80 PF940C Compact Frames Battleworn Gray

$79.99
End Date: Tuesday Dec-17-2019 16:11:25 PST
Buy It Now for only: $79.99
Buy It Now | Add to watch list
SCA Karve Slide for Glock 19 Gen 3 Battleworn Gray slide w/RMR Cut Polymer 80

$299.99
End Date: Wednesday Jan-1-2020 14:27:35 PST
Buy It Now for only: $299.99
Buy It Now | Add to watch list
Polymer 80 PF940C Glock 19 rail protector

$30.00
End Date: Saturday Dec-28-2019 6:35:35 PST
Buy It Now for only: $30.00
Buy It Now | Add to watch list
Glock 19 Slide G19 P80 Polymer 80 Compatible Gen 3

$169.99
End Date: Thursday Jan-2-2020 8:36:53 PST
Buy It Now for only: $169.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG

$24.99
End Date: Wednesday Jan-1-2020 6:12:54 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Custom Hand Engraved Slide Fits G19 Glock 19 Gen 3 9mm Stainless P80 Polymer 80

$165.00 (18 Bids)
End Date: Sunday Dec-8-2019 18:46:33 PST
Bid now | Add to watch list
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$37.97
End Date: Friday Dec-20-2019 16:10:48 PST
Buy It Now for only: $37.97
Buy It Now | Add to watch list
For Glock G 26 / 27 Gen 1-3 Lower Parts Kit Polymer 80 NEW Factory OEM Parts

$47.97
End Date: Tuesday Dec-31-2019 10:40:02 PST
Buy It Now for only: $47.97
Buy It Now | Add to watch list
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$42.95
End Date: Friday Dec-20-2019 16:10:48 PST
Buy It Now for only: $42.95
Buy It Now | Add to watch list
For GLOCK G 19 Gen 1-3 Lower Parts Kit OEM 9 millimeter Polymer 80 Genuine Parts

$74.95
End Date: Thursday Jan-2-2020 14:16:46 PST
Buy It Now for only: $74.95
Buy It Now | Add to watch list
Glock Slide G17 Gen3 - Black Cerak And Stainless - Works W/ Polymer 80

$249.00
End Date: Friday Jan-3-2020 7:50:58 PST
Buy It Now for only: $249.00
Buy It Now | Add to watch list
Glock 19 LPK NEW OEM 9mm Gen3 Lower Parts Kit Premium Ext Upgrades Fit Polymer80

$54.97
End Date: Sunday Dec-29-2019 22:16:34 PST
Buy It Now for only: $54.97
Buy It Now | Add to watch list
Glock 21 21SF Gen 3 Slide Upper Barrel Glock OEM G21 Made In USA PF45 .45 NEW

$419.99
End Date: Saturday Dec-7-2019 12:15:50 PST
Buy It Now for only: $419.99
Buy It Now | Add to watch list
Talon Grips for Polymer 80 PF940C and PFC9 in Black Granulate 267G

$21.99
End Date: Thursday Dec-12-2019 8:44:33 PST
Buy It Now for only: $21.99
Buy It Now | Add to watch list
For Glock Factory OEM 9mm Gen 1-3 LPK G-19 Polymer 80 BRAND NEW (Black Color)

$35.00
End Date: Saturday Jan-4-2020 21:37:15 PST
Buy It Now for only: $35.00
Buy It Now | Add to watch list
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK

$37.97
End Date: Friday Dec-20-2019 16:10:48 PST
Buy It Now for only: $37.97
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG

$24.99
End Date: Saturday Dec-7-2019 12:16:41 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list
Steel City Arsenal Magwell for Polymer 80 PF940V2 Full Size Frame Battleworn FDE

$79.99
End Date: Tuesday Dec-17-2019 16:11:26 PST
Buy It Now for only: $79.99
Buy It Now | Add to watch list
Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG
![]() | $24.99 End Date: Wednesday Jan-1-2020 6:12:54 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Extended Magwell for Polymer 80 Glock Frame
![]() | $20.00 End Date: Wednesday Dec-18-2019 12:48:04 PST Buy It Now for only: $20.00 Buy It Now | Add to watch list |
Alpha Se7en Compact Aluminum Flared Magwell for Polymer 80 PF940C | PF940V2 P80
![]() | $35.95 End Date: Monday Dec-23-2019 18:11:23 PST Buy It Now for only: $35.95 Buy It Now | Add to watch list |
Steel City Arsenal 9mm Upper Parts Kit for Glock Gen 1-4 Polymer 80 w/Liner Tool
![]() | $79.99 End Date: Tuesday Dec-17-2019 16:11:31 PST Buy It Now for only: $79.99 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG
![]() | $25.99 End Date: Wednesday Jan-1-2020 6:12:54 PST Buy It Now for only: $25.99 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG
![]() | $24.99 End Date: Saturday Dec-7-2019 12:16:41 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Glock 27 OEM Style Slide Std Sights Black G27 Gen 3 940SC Polymer 80 OEM - USA
![]() | $144.99 End Date: Wednesday Jan-1-2020 5:27:51 PST Buy It Now for only: $144.99 Buy It Now | Add to watch list |
Steel City Arsenal Slim magwell for Polymer 80 PF940C Frames- Anodized Black
![]() | $74.99 End Date: Tuesday Dec-17-2019 16:11:25 PST Buy It Now for only: $74.99 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG
![]() | $24.99 End Date: Saturday Dec-7-2019 12:16:41 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG
![]() | $24.99 End Date: Saturday Dec-7-2019 12:16:41 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Steel City Arsenal Slim magwell for Polymer 80 PF940CL Compact Long Frames- Anod
![]() | $74.99 End Date: Sunday Dec-29-2019 8:36:06 PST Buy It Now for only: $74.99 Buy It Now | Add to watch list |
For GLOCK Gen 1-3 G17 or Polymer 80 Lower Parts Kit OEM 9 millimeter Choose Kit
![]() | $79.95 End Date: Wednesday Dec-18-2019 7:05:17 PST Buy It Now for only: $79.95 Buy It Now | Add to watch list |
9mm Compact Premium Lower Parts Kit for Glock 19 Gen3 and Polymer80 PF940Cv2
![]() | $64.95 End Date: Saturday Jan-4-2020 8:25:47 PST Buy It Now for only: $64.95 Buy It Now | Add to watch list |
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK
![]() | $91.97 End Date: Friday Dec-20-2019 16:10:48 PST Buy It Now for only: $91.97 Buy It Now | Add to watch list |
For GLOCK Gen 1-3 G17 or Polymer 80 Lower Parts Kit OEM 9 millimeter Choose Kit
![]() | $51.95 End Date: Wednesday Dec-18-2019 7:05:17 PST Buy It Now for only: $51.95 Buy It Now | Add to watch list |
GLOCK 19 Gen 1-3 Lower Parts OEM 9MM Polymer 80 PF940C OEM Kit G19
![]() | $52.99 End Date: Thursday Dec-26-2019 16:55:17 PST Buy It Now for only: $52.99 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG
![]() | $24.99 End Date: Saturday Dec-7-2019 12:16:41 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Glock OEM Lower Frame Parts Kits For Glock Gen 1-3 G17 And Polymer 80
![]() | $50.95 End Date: Friday Jan-3-2020 18:28:01 PST Buy It Now for only: $50.95 Buy It Now | Add to watch list |
Lone Wolf Distributors Lower Parts Kit for Glock or Polymer80
![]() | $74.99 End Date: Wednesday Jan-1-2020 12:14:18 PST Buy It Now for only: $74.99 Buy It Now | Add to watch list |
Steel City Arsenal magwell Specifically for Polymer 80 PF940V2 Frames- Ano Black
![]() | $74.99 End Date: Tuesday Dec-17-2019 16:11:25 PST Buy It Now for only: $74.99 Buy It Now | Add to watch list |
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK
![]() | $50.90 End Date: Friday Dec-20-2019 16:10:48 PST Buy It Now for only: $50.90 Buy It Now | Add to watch list |
9mm Economy Upper Parts Kit with Guide Rod fits Glock 19 Polymer80 PF940V2
![]() | $79.95 End Date: Tuesday Dec-31-2019 14:59:00 PST Buy It Now for only: $79.95 Buy It Now | Add to watch list |
Steel City Arsenal Magwell for Polymer 80 PF940C Compact Frames Battleworn Gray
![]() | $79.99 End Date: Tuesday Dec-17-2019 16:11:25 PST Buy It Now for only: $79.99 Buy It Now | Add to watch list |
SCA Karve Slide for Glock 19 Gen 3 Battleworn Gray slide w/RMR Cut Polymer 80
![]() | $299.99 End Date: Wednesday Jan-1-2020 14:27:35 PST Buy It Now for only: $299.99 Buy It Now | Add to watch list |
Polymer 80 PF940C Glock 19 rail protector
![]() | $30.00 End Date: Saturday Dec-28-2019 6:35:35 PST Buy It Now for only: $30.00 Buy It Now | Add to watch list |
Glock 19 Slide G19 P80 Polymer 80 Compatible Gen 3
![]() | $169.99 End Date: Thursday Jan-2-2020 8:36:53 PST Buy It Now for only: $169.99 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C, & PF940CL Magwell - High Profile - ISLE MFG
![]() | $24.99 End Date: Wednesday Jan-1-2020 6:12:54 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Custom Hand Engraved Slide Fits G19 Glock 19 Gen 3 9mm Stainless P80 Polymer 80
![]() | $165.00 (18 Bids) End Date: Sunday Dec-8-2019 18:46:33 PST Bid now | Add to watch list |
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK
![]() | $37.97 End Date: Friday Dec-20-2019 16:10:48 PST Buy It Now for only: $37.97 Buy It Now | Add to watch list |
For Glock G 26 / 27 Gen 1-3 Lower Parts Kit Polymer 80 NEW Factory OEM Parts
![]() | $47.97 End Date: Tuesday Dec-31-2019 10:40:02 PST Buy It Now for only: $47.97 Buy It Now | Add to watch list |
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK
![]() | $42.95 End Date: Friday Dec-20-2019 16:10:48 PST Buy It Now for only: $42.95 Buy It Now | Add to watch list |
For GLOCK G 19 Gen 1-3 Lower Parts Kit OEM 9 millimeter Polymer 80 Genuine Parts
![]() | $74.95 End Date: Thursday Jan-2-2020 14:16:46 PST Buy It Now for only: $74.95 Buy It Now | Add to watch list |
Glock Slide G17 Gen3 - Black Cerak And Stainless - Works W/ Polymer 80
![]() | $249.00 End Date: Friday Jan-3-2020 7:50:58 PST Buy It Now for only: $249.00 Buy It Now | Add to watch list |
Glock 19 LPK NEW OEM 9mm Gen3 Lower Parts Kit Premium Ext Upgrades Fit Polymer80
![]() | $54.97 End Date: Sunday Dec-29-2019 22:16:34 PST Buy It Now for only: $54.97 Buy It Now | Add to watch list |
Glock 21 21SF Gen 3 Slide Upper Barrel Glock OEM G21 Made In USA PF45 .45 NEW
![]() | $419.99 End Date: Saturday Dec-7-2019 12:15:50 PST Buy It Now for only: $419.99 Buy It Now | Add to watch list |
Talon Grips for Polymer 80 PF940C and PFC9 in Black Granulate 267G
![]() | $21.99 End Date: Thursday Dec-12-2019 8:44:33 PST Buy It Now for only: $21.99 Buy It Now | Add to watch list |
For Glock Factory OEM 9mm Gen 1-3 LPK G-19 Polymer 80 BRAND NEW (Black Color)
![]() | $35.00 End Date: Saturday Jan-4-2020 21:37:15 PST Buy It Now for only: $35.00 Buy It Now | Add to watch list |
Full Replacement Parts Kit For Gen-3 Glock 17 Polymer-80 Spectre PF940-v2 LPK
![]() | $37.97 End Date: Friday Dec-20-2019 16:10:48 PST Buy It Now for only: $37.97 Buy It Now | Add to watch list |
Polymer80 PF940v2, PF940C & PF940CL Magwell - Low Profile - ISLE MFG
![]() | $24.99 End Date: Saturday Dec-7-2019 12:16:41 PST Buy It Now for only: $24.99 Buy It Now | Add to watch list |
Steel City Arsenal Magwell for Polymer 80 PF940V2 Full Size Frame Battleworn FDE
![]() | $79.99 End Date: Tuesday Dec-17-2019 16:11:26 PST Buy It Now for only: $79.99 Buy It Now | Add to watch list |
If you find this post useful, please either buy something using one of the links to eBay and Amazon. With Amazon, if you click on one of our links and then buy something else – even unrelated stuff like clothes, electronics and groceries – we get credit and it would be hugely appreciated. Doing something like the above will help us fund continued development of the blog.