Home AR-15 AR15 Absolute Basics 01: Receivers – Uppers Lowers 80%

AR15 Absolute Basics 01: Receivers – Uppers Lowers 80%

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What are the receivers, lower and upper
What is an 80% lower
What is a “Complete Upper Receiver” vs “Complete Upper”
extreme basics to help you know what to look for and what things are called.

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