D&H Industries AR-15 Magazine for the 6.5 Grendel cartridge. Made from carbon steel with a Nitrocarburized (QPQ) hostile environment finish inside you will find a 17-7PH spring for ultimate protection against corrosion. The follower is a D&H proprietary limited tilt follower for 6.5 Grendel cartridge. Available in 10 round capacity. Mfg: D&H Industries