TechT bolt engine is really nice and so is the APE board, I would suggest a nice barrel kit as well. A new trigger is personal preference.
MacDev Militia: Clone GT with Shift Kit, GTi Valve, Pooty Bolt, & Violent Series Trigger
dp Fusion FX with TechT HUSH Bolt & TechT LAW RAM
Sly Pro-Merc Diesel Barrel Kit, dye Rotor with Exalt Speed Feed, & Crossfire SS HPA 68/4500 Tank.
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