Magpul M3 FDE Window magazine 30 round (AR-15) magpul Especially relevant is that the

Especially relevant is that the Glock magazine will withstand visible damage or deformation after being dropped on solid floors from serious height

Compatible Firearms: SIG SAUER P226

and 15rd indicator windows

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Witness holes for visual confirmation

Magpul M3 FDE Window magazine 30 round (AR-15) magpul Especially relevant is that theThe next generation PMAG 30 GEN M3 Window is a 30 round 5. 56x45 NATO (. 223 Remington) polymer magazine for AR15 M4 compatible weapons that features transparent windows to allow rapid visual identification of approximate number of rounds remaining. Along with expanded feature set and compatibility, the GEN M3 Window incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous