Green means get on your mark FAST with this HQ ISSUETM Mini Green Laser Sight. There will be no question whether you on target when you add this Green Laser Sight to your firearm. It increases your ability to quickly and accurately align your firearm on a target for both initial and any follow-up shots. If you shoot in competitions, you can speed up the time needed to engage targets at varying distances and locations. The HQ ISSUE Mini Green Laser Sight has an easy one-button operation and will quickly put your muzzle on the mark in broad daylight and up to a full mile at night. In addition, it's constructed of lightweight aluminum and compact with both Weaver style and barrel mounts to give you options that fit your personal use requirements. Make any necessary windage and elevation adjustments with an included Allen wrench to keep your alignment pin-point perfect.