This video, "Smyth Busters: Do I Have To "Download" My AR-15 Mags?", debunks the myth that AR-15 magazines need to be underloaded by one or two rounds to function reliably or prevent damage to the magazine spring. Brownells Gun Techs Steve Ostrem and Caleb Savant explain that quality tempered steel magazine springs will not be damaged by long-term full loading. They address the potential issue of difficulty seating a brand-new, stiff spring, noting that this pressure lessens over time as the spring takes a slight "set". The experts emphasize the importance of purchasing good-quality magazines and share personal experiences regarding magazine spring robustness and preferred magazines from military service. Ultimately, the video concludes that loading AR-15 magazines to full capacity is not only acceptable but standard practice for reliable operation.
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