Our MDX Arms build kit includes everything you need except magazines. This kit is an 80% frame and can be shipped directly to you; without the need for an FFL transfer.
MDX Arms Build Kit Contents:
- Polymear80 80% Frame Kit with Jig and tooling - PF940V2 (metal rails, newest version)
- Glock OEM Polymer Sights
- Glock OEM Guiderod
- Glock OEM Lower Parts Kit (LPK)
- Shadow System Slide Parts Kit (SPK)
- Match Grade Drop-In Barrel
- MDX Arms US Made CNC 416R Slide with RMR Cut Slide
- RMR Plate Cover (Available in Black/FDE)
- Steel City Arsenal Magwell (Available in Black/FDE)
*All Build Kits comes un-assembled. If you wish for us to install sights/channel liner, make sure to add a Note/Comment on our checkout page.
Details About PF940V2 80% Frame:
- Enhanced Ergonomics and Features
- High-Strength Reinforced Polymer Construction
- Aggressive and Adaptable Grip Texture
- Picatinny/STANAG Compliant Accessory Rail
- Blank Serialization Plate
- Stainless Steel Locking Block Rail System (LBRS™)
- Stainless Steel Rear Rail Module (RRM™)
- Hardened Pins for LBRS ™ and RRM™
- Complete Finishing Jig, Drill bits and End Mill Included
- Compatible with Glock® 17/22 Gen3 Components
- Patent Available
Details About OEM LPK:
- Locking Block Pin
- Trigger Pin
- Magazine Catch
- Magazine Catch Spring
- Slide Stop Lever
- Slide Lock
- Slide Lock Spring
- Trigger Spring
- Trigger Housing with Ejector
- Trigger with Trigger Bar
- 5.5lbs Connector
Details About SPK by Shadow System:
- Machined 17-4 stainless steel firing pin, standard weight and length
- Standard OEM specification extractor
- Firing Pin Spring, standard weight
- Firing Pin Spacer Sleeve
- 2 Spring Cups
- Machined 17-4 stainless steel extractor depressor plunger assembly
- Cover Plate
- Machined 17-4 stainless steel firing pin safety
- Firing Pin Safety Spring
- Channel Liner
Details About the Barrels:
- Available in RAW Stainless Steel (SS) or Black Nitride Finished
- Available in either Standard Cut or Threaded Barrel
- Threaded barrel will come with a Free Threaded Protector in either Black or SS Finish
- Black Nitride are 4150 Chrome Moly Vanadium 9mm with 1:16 Twist
- SS are 416R Stainless Steel 9mm with 1:16 Twist.
- SAAMI Spec 9mm Chamber
- Glock Gen. 1-4 Compatible
- Made in the USA
Details About the Slides:
- Machined from USA Grade 416R Stainless Steel Stock
- Front Serration
- Compatible with Glock Gen 1-3 OEM
- Cerakote Finish - Available in Black/Burnt Bronze/FDE/Tungsten Gray
- Made in USA
Detail About the Steel City Arsenal Magwell:
- Steel City Arsenal Slim Magwell Machined specifically to fit Polymer 80 PF940V2 Full Size Frames
- Works with Full Capacity and 10 rd Factory Mags
- This unique design is contoured to the front of the grip And then locks into the back with a set screw to fit securely without pinching the frame.
- Machined out of 7075 Billet Aluminum Anodized Black
- Made in the USA
Ejector Upgrades: Upgrade Your #336 Ejector with #30274 Gen.4 Ejector for better ejection pattern. No more brass in the face!
Check our How To Video Section for guide and tricks about your build:
How to Order: To Keep the listing Short, Please Choose the following:
- FRAME COLOR: Pick Your Frame Color (Black or FDE) If you want any different, please write it on the Notes.
- BARREL: Free Upgraded Flush Crown Cut Barrels (Available Only in SS) or Threaded Barrel with Protector Available in Black or SS. Leave Note if you wish to get specific finish threaded barrel
- RMR PLATE COVER: Choose from either Black or FDE
- SIGHTS: Choose either OEM Poly Sights or AmeriGlo Suppressor Blacked Out Sights. Suppressor Sights will not come installed. If you wish to have it installed, Please let a Note!
- FREE GIFT: All Orders will Come with Free Gen4 Ejector - uninstalled.
MDX Arms does not sell firearms. This is not a firearm and will ship directly to you without FFL needed
We do not ship 80% to New Jersey
Please refer to your state and federal laws about 80% kits. It's your responsibility to know your own laws.
We're not responsible for any improper milling, installation of parts, damage or any injury that might occur. Make sure to use proper safety equipment during your build
“GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H. MDX Arms
is not affiliated with nor endorsed by Glock, Inc. or Glock Ges.m.b.H.