D&H Tactical metal-bodied AR15 magazines are a trusted choice for use at firing ranges, in competitions, in the field and in wooded environments. Each magazine is manufactured in the USA, adhering to stringent military specifications and utilizing high-grade materials. D&H Tactical magazines are designed to withstand environmental challenges and provide reliable, precise performance when needed. Heat-treated aircraft-grade aluminum engineered for strength and durability under demanding conditions Black teflon hardcoat anodized finish provides a sleek, corrosion-resistant surface with enhanced wear protection 17-7 PH stainless steel spring offers superior corrosion resistance and long-lasting performance D&H proprietary follower design optimized for reliable feeding of "big bore" cartridges Compatible with AR-15, M16 and M4 platforms designed for seamless integration with standard rifle systems