The PMAG 30 AUS GEN M3 Window is a 30-round 5.56x45 NATO polymer magazine for SteyrA(R) AUG/F88/F90 compatible weapons that features transparent windows to allow rapid visual identification of approximate number of rounds remaining. Similar to the GEN M3 PMAG for the AR15/M4, the PMAG 30 AUS features a long-life USGI-spec stainless steel spring, four-way anti-tilt follower and constant-curve internal geometry for reliable feeding, and simple tool-less disassembly to ease cleaning. In addition, low profile ribs and aggressive front and rear texture gives positive control in all environments, and a paint pen dot matrix has been added to the bottom panel of the body to allow easy marki Mfg: Magpul