big89The rear sht has a large aperture for fast target acquisition. It excels at close ranges (inside 75 yards) and in low-lht conditions. It mounts on top of the M89’s bolt. BillSoftware Architect | REST API, Microservices | PHP, MySQL, PostgreSQL, MongoDB | Aadhaar Services, eSn, DiLocker, NPCI, IUDX, Payment Gateway Integrations -