DURAMAG has redefined the Colt pattern 9mm magazines for the AR-15 with the DURAMAG SS. Engineered for reliability, this magazine ensures smooth feeding of the widest variety of 9x19 ammunition, including defensive hollow points and heavy sub-sonic loads. Unlike traditional 9mm AR-15 magazines that can be a challenge to load, the DURAMAG SS allows for easy loading, even with the last round. Built to outlast and outperform, the DURAMAG SS delivers exceptional performance from the first round to the last, providing unmatched reliability and durability for any shooter.