Holosun 507K X2 [green] Beretta M9A4 with contouring that improves purchase

with contouring that improves purchase and reduces hot spots

Vector Optics Frenzy-S 1x17x24 MIC uses the Shield RMSc mounting footprint

compatible with any red dot sight built to the Shield RMSc footprint — whatever the optic's brand

Integrated backstrap improves grip stability and consistent hand placement

Holosun 507K X2 [green] Beretta M9A4 with contouring that improves purchaseThe Holosun 507K X2 follows the Holosun K series footprint. If your mount or slide cut is made for the Holosun K series pattern, this sight fits the standard is about the holes, not the brand. Aiming is on a 2 MOA green dot with 32 MOA circle. The reticle pattern is switchable. Key specifications Mounting footprint Holosun K series pattern Reticle 2 MOA green dot with 32 MOA circle Window size 14. 7 x 19. 5 mm [0. 58 x 0. 77"] Dimensions 40. 6 x 24. 9