Yeah, it takes a few tools to assemble an upper. Got the Magpul BEV block, a YHM hand guard wrench, a RRA stock wrench and a Wheeler pivot pin install tool.
That pivot pin spring and detent got several quality flying lessons.
Pivot pin tool? You don't need a tool for that, you just need to learn how to tilt your head and stick your tongue out just right while assembling.
"Life' is tough. It's even tougher if you're stupid." ~ John Wayne “Under certain circumstances, urgent circumstances, desperate circumstances, profanity provides a relief denied even to prayer.” —Mark Twain
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