TRIANGULAR APERTURES

Three-spot adjustment of the mirror for less fatigue of the eye.
This is a good aiming aid, especially for those shooters who cannot focus 100% in all directions.
- No fatigue or reflection.
- For front sight thread M18: 2.8–4.1 mm in 0.1 mm and 4.3–4.7 mm in 0.2 mm, increasing.
- For front sight thread M22: 2.8–4.1 mm in 0.1 mm and 4.3–5.5 mm in 0.2 mm, increasing