Experience unmatched reliability with the ProMag Industries SPR-A24 30-Round Extended Magazine, engineered for high-performance firearms enthusiasts. This magazine combines cutting-edge manufacturing techniques, ensuring a robust design with both polymer durability and heat-treated steel integrity. Proudly made in the USA and supported by a lifetime guarantee against defects. 30-round Extended Magazine Constructed of a Proprietary DuPont Zytel Based Polymer Injection Molded Magazine Follower Magazine Spring Formed from Heat Treated Chrome Silicon Wire Equip your firearm with ProMag's precision-engineered magazine for superior performance.