With the 6.5 Grendel DURAMAG SS line of magazines, feeding your 6.5 has never been easier. The 6.5 Grendel cartridge demands a proprietary magazine and the DURAMAG SS delivers one that outperforms the competition while remaining affordable. These magazines offer fantastic internal room for long cartridge loads, so you can get the most from this caliber. DURAMAG SS 6.5 magazines boast extremely easy loading and feeding first-to-last round.