Get the best for your 6.5 Grendel or 6mm ARC AR-15 with this 20-round magazine from Duramag®. This magazine features Post and Hole construction and robotically welded seams for top-of-the-line durability. The 410 stainless steel body provides unmatched resilience against drops and damage, and the T-360 coating ensures corrosion resistance. This magazine also includes Duramag’s Advanced Geometry Follower, which prevents tilt and promotes reliable feeding. It’s even dyed blue for higher contrast, making it easy to identify an empty magazine. The anti-fatigue spring provides consistent pressure and extended service life. This magazine is compatible with AR-15 firearms chambered in 6.5 Grendel and 6mm ARC.