The PMAG D-60 is a durable"" lightweight"" highly reliable 60-round 5.56x45 NATO/.223 Remington* polymer drum magazine for AR15/M4 compatible weapons. With a larger capacity than previous PMAGs"" the PMAG D-60 gives the shooter 60 rounds of ammunition"" effectively allowing the same round count as two standard capacity 30-round magazines without requiring a critical reload. The unique drum configuration keeps the height of the magazine manageable as well as allowing for prone firing and easier storage. Features an easy-to-use loading lever"" paint pen dot matrix for easy marking"" and a rear window for instant capacity indication. Compatible with a wide range of NATO firearms such as the M4"" M16"" SCAR(TM) MK16/16S"" HK(R)416"" MR556"" M27 IAR"" IWI Tavor"" and others.