The Geissele MRGG 20-round Magazine is a premium, heavy-duty feeding solution designed specifically for large-frame rifles chambered in 6.5 Creedmoor or .308 Winchester. Engineered to meet the demanding requirements of the Mid-Range Gas Gun (MRGG) program, this magazine is constructed from high-strength stainless steel with a specialized coating to ensure smooth cycling and extreme corrosion resistance. It features an advanced anti-tilt follower and a high-performance spring to maintain reliable upward pressure, even during rapid fire or in harsh environmental conditions. The magazine’s geometry is optimized for the longer overall length of precision 6.5 Creedmoor cartridges, providing shooters with a rock-solid, professional-grade accessory for long-range precision and tactical applications. Geissele MRGG 6.5 Creedmoor/.308Win 20rd Magazine 05-3049