Engineered for precision, the Mission First Tactical 20EXD762x51-T-S Magazine maximizes reliability and performance for your AR10. Featuring a durable polymer construction, this magazine provides clear visibility for round count and ammo type, ensuring optimal functionality during use. It's optimized for 7.62x51/.308 Winchester ammunition and compatible with AR10A/SR25/M110 pattern rifles. Next Generation Long Glass Fiber Polymer Ribbed Front and Rear Gripping Surface Four-way Anti-tilt Self-lubricating Follower Flared Floor Plate Oversized Bolt Catch Paint Pen Dot Matrix Elevate your shooting experience with a magazine designed to meet the highest military standards.