RADIAN WEAPONS - AR-15 Raptor SD-SL Ambidextrous Charging Handle BlackWhat is the RADIAN WEAPONS AR 15 Raptor SD SL Ambidextrous Charging Handle Black? Those who've shot a suppressed AR 15 understand the concept of blowback, and manufacturers like Radian Weapons are developing enhanced components designed to deal with the issue. The company's Raptor SD SL charging handle features a special vented shaft that makes gas blowback a non issue in your AR 15. Each Radian Weapons Raptor SD SL charging handle features a ported