MDT M-LOK Multi-Caliber Spare Round Holder Polymer Black

Have you ever run out of ammo mid-stage? Store an additional 2 rounds on the side of your rifle with the MDT M-LOK Multi-Caliber Spare Round Holder. FeaturesWide range of round compatibility including .223, 300 AAC, .224 Valkyrie, 7.62x39, 6.5 Grendel, .308, 6.5 Creedmoor, 450 Bushmaster, 7mm, 300 WM, 300 PRC, 6.5 PRC and moreIncludes a small and large caliber polymer body with adjustable spacer system for maximum compatibilitySpacer system uses Mil Spec washers and O-Rings to offer the perfect