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.
MDX Arms Build Kit Contents:
- Polymer80 80% Frame Kit with Jig and tooling - PF940V2 (metal rails, newest version)
- Glock OEM Polymer Sights
- Glock OEM Guiderod
- Lower Parts Kit (LPK)
- Slide Parts Kit (SPK)
- Match Grade Drop-In Barrel (Porter TiN or Non Ported SS)
- Alpha Sports V4 Marksman US Made CNC 416R Slide with RMR Optic Cut
- RMR Plate Included
*All Build Kits comes un-assembled.
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 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 Slide Parts Kit:
- 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 NON Ported SS Barrel:
- 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 Ported TIN Barrel:
- Featuring a aggressive target crown
- 6 port design reduces felt recoil & muzzle climb.
- Does not increase length of your pistol unlike threaded comp set ups.
- Titanium nitride (TiN) plated for increased wear resistance.
- The TiN plating also gives the barrel an attractive gold finish.
- CNC Machined on state of the art equipment.
- Compatible with Glock 3rd & 4th Gen G34 slides.
- Tighter barrel lock up.
- Manufactured from premium U.S. made 416R stainless steel bar-stock.
- Gas vacuum heat-treated and double-tempered to mitigate stress.
- Broach cut rifled in 9mm 1:10 twist for improved accuracy.
- Fully supported and polished chamber and feed ramp.
- G34 Slide not included.
- Average velocity with 124 grain Winchester FMJ Ported 1175 FPS VS Non Ported 1223 FPS (Results may vary).
- Warning: Compatible with Alpha Shooting Sports V4 G34 or Glock G34 3rd Gen Slides
Details About the Slides:
- Featuring added functionality with optic mounting capability & enhanced slide serrations
- QPQ Nitrided for improved wear & corrosion resistance
- Compatible with Gen3 full size G17, G34 & P80 PF940V2 frames
- Works with 9mm Glock internals
- Slide machined 17-4 hardened Stainless steel for long lasting performance.
- Machined to accept Trijicon RMR/SRO & Holosun 507 red dot optics.
- Professional gunsmith assembly recommended.
- Comes with the channel liner installed
- Stripped slide, internals not included
- Although complete pistols are pictured, frame, optics and internals are not included.
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:
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.