Truglo Red Dot Micro XR21 RMS-C 21X16mm

3-MOA RED DOT reticle for precise aiming
21 x 16mm multi-coated objective lens
Ideal for mounting on RMSc® optic-ready pistols
Digital push-button brightness controls - 10 brightness settings
Remembers last used brightness setting when powering on
Motion-sensing “wake” feature
1-MOA windage and elevation adjust
CNC-machined from aircraft-grade aluminum
Unlimited eye relief
Auto-off‑ feature preserves battery life (4-minute idle from last button push)
Waterproof (IPX7) design
Picatinny rail mount included
Battery included (CR1632 3V)
20,000+ hour battery life
Lifetime limited warranty