The Mission First Tactical Extreme Duty Magazine is engineered for reliable performance with .308 Winchester/7.62 NATO ammunition in AR-10 platform rifles. This 20-round capacity magazine features durable construction in a tactical black finish.Mission First Tactical Extreme Duty Magazine.308 Winchester / 7.62 NATO caliber compatibility20-round capacityAR-10 platform fitBlack tactical finishSKU: 20EXD762X51Designed for tactical applications hunting and precision shooting where reliable feeding and durability are essential for AR-10 style rifles.