Product Description

DISCLAIMER/WARNING: Please PAY ATTENTION TO WHAT YOU'RE PURCHASING.

Starting immediately, We will no longer verify if you understand what you're ordering. If you ordered incorrectly and items has been shipped then you will incur a 20% Restock FEE if you wish to cancel or do a return/refund.

If ANY of these Items are sold out/gray color/unable to select/crossed out, this means that the ENTIRE product is OUT of Stock.

If you select "NONE" for Lower Parts Kit (LPK) and/or Sights, this means the kit DOES NOT come with those items.

If you select "NONE" or "STANDARD" Ejector, this means you will received whatever ejector comes with your Lower Parts Kit (LPK)

If you select "UPGRADED" Ejector, this means you will received either a Gen4 or Gen5 G19x Upgraded Ejector. It's our choice what we include on your kit.

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MDX Arms Build Kit Contents:

Polymer80 80% Frame Kit with Jig and tooling - PF940CV1 (metal rails, newest version)

Glock OEM Polymer Sights -OBVIOUSLY if the option says "none" this means its not included

Lower Parts Kit (LPK) -OBVIOUSLY if the option says "none" this means its not included

Slide Parts Kit (SPK) w/ Guiderod

Match Grade Drop-In Barrel

MDX Arms US Made CNC 416R Slide

RMR Plate Cover Not Included

RMR Plates Covers can be purchase here:



*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 PF940CV1 80% Frame:

Metal Rail - New Version 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® 19/23 Gen3 Components

Patent Available

Details About 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:

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

Compatible with Glock Gen 1-3 OEM

Cerakote Finish - Available in Black/Burnt Bronze/FDE/Tungsten Gray

Custom Top and Side Ports

Accepts Trijicon SRO/RMR and Holosun 507c Red Dot Sights

RMR/Optic Plate NOT included

Made in USA

Available Options:

Ejector Upgrades: Upgrade Your standard style Ejector with either #30274 Gen.4 Ejector or Gen5 G19x #47021 for better ejection pattern. No more brass in the face! - Dealers Choice!

Suppressor Sights: Upgraded your polymer Glock sights with AmeriGlo Blacked Out Suppressor Sights

Don't forget to order your RMR Plate Covers Here:

https://mdxarms.com/mdx-custom-rmr-slide-plate-covers/

Check our How To Video Section for guide and tricks about your build:

https://mdxarms.com/polymer-80-how-to/

Upgrade: Suppressor Sight Sets (Blacked Out)

Warning:

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.