This video provides a quick and easy tutorial on how to swap out the dust cover on an AT3 Slick Side AR-15 Upper Receiver. It's presented as an 'AR Quick Tip' aimed at beginners and the broader AR-15 shooting community. The video emphasizes that the process can be completed in about 60 seconds, offering a practical modification for firearm owners looking to upgrade or customize their AR-15.
This "Smyth Busters" video tackles the long-standing debate about the necessity of the AR-15's dust cover. Presented by Brownells Gun Techs Caleb and Steve, the discussion explores whether the ejection port cover is truly essential for keeping dust and debris out of the rifle's action. They reference the original AR-10 and AR-15 designs by Eugene Stoner, the prevalence of slick-side uppers on high-end target rifles, and the inclusion of dust covers on modern firearms like the Sig Sauer MCX-Spear, adopted by the U.S. Army. Ultimately, the video busts the myth that the dust cover is unnecessary, with both hosts advocating for its importance, especially on combat rifles.
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