Even if you picked up a deal on a lower build kit and don't have the cash to splurge on a trigger upgrade, you can still end up with a serviceable trigger. This video shows you how I improve my triggers and how you could too. Here is what you need: Gunsmith Tool Kit (brass/plastic punches): https://amzn.to/3XOaJj5 DMT Whetstone: https://amzn.to/3FgKAT6 It's critical that you understand what you're doing and don't change the geometry or depth of any of the surfaces. If you're unsure of yourself, hire a gunsmith to do this work for you!