This YouTube video features an "autopsy" of an AR-15 upper receiver that experienced a rare malfunction: a broken buffer spring. The video investigates a Green Sprinco buffer spring that failed after 2780 rounds, potentially due to corrosion from corrosive South African ammunition. Additionally, the video includes a physical examination of a SOLGW Scalper BCG. The content focuses on a specific firearm component failure and its potential causes, as well as an accessory inspection.
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