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Step into the Wayback Machine and go back to the beginning of the AR-15 with our BRN-Proto - a faithful replica of the Eugene Stoner's very first AR-15 prototype. If you're an AR-15 aficionado or collector, the BRN-Proto is a rifle you should not be without! Based on AR-15 Serial Number One, the Brownells BRN-Proto sports a wealth of unique, historically accurate features you will not see on later AR-15 / M16 models. First, the BRN-Proto has the distinctive trigger-like charging handle on top of the receiver, under the carry handle, just like the early AR-10 models (remember, the AR-15 was developed second.). It has the uncluttered "slick-side&rdqu Mfg: Brownells.