Let's take a look at the Silverback MDR-X Micron AEG Rifle in this review by RedWolf Airsoft TV (RWTV)... "This particular model features the Silverback MDRX with the MICRON kit. The MDRX Micron is designed for consumers searching for the ultimate concealable personal defense weapon. The real steel Micron kit quickly converts the MDRX into the short rifle package with an 10.5" barrel.