Umarex Gauntlet: Super Tune Kit Installation
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I install a modification kit that takes the Gauntlet from 60 shots per fill to over 105 shots per fill using the stock 13 cu. inch removable tank. The 37-minute installation video details the complete disassembly of the Gauntlet and step by step installations of the Valve modification, Hammer Spring, Power Adjuster and Trigger spring. I refer to the owners manual and the schematic drawing throughout the process so you will be able to refer to it at any point during the installation.
If you need to see a parts schematic I have one here for your use:
https://drive.google.com/open?....id=1GUsuzEsx9eG_kNRH
***UPDATE***
If you are having the air leak out of the barrel as fast as you put air in, here are some steps top to correct the issue.
1) Make sure the gun is on safe.
2) Cock the rifle so there is nothing pushing the poppet open.
3) If it still leaks you may have to do perform a more aggressive poppet valve burnishing technique as detailed in Travis's video here:
https://www.youtube.com/watch?v=WS9v3-QUSX0
Here is a Shot string of a stock Gauntlet .22 Caliber with the Super Tune Kit Installed
https://i.imgur.com/5ZcWtNd.jpg
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