Imagine having a subsonic round with muzzle energy comparable to a .44 Magnum, delivered from an AR platform and capable of being suppressed with many 9mm-rated suppressors. That is what the .338 Spectre delivers. Often described as being derived from the 10mm Magnum (Not Auto) case, the .338 Spectre is dimensionally closer to a shortened … Continue reading 338 Spectre: A Modern Subsonic Cartridge for the AR