LaserMax LMS1151G Guide Rod Laser Green Laser 5mW 520nM Wavelength Compatible wGlock 20 Gen1321 Gen1341 Gen13 UPC: 798816542622

Greater versatility. Enhanced visibility. Stability over a broad range of temperatures. Now you can have all three in a green laser with the added advantage of it sitting inside the gun. Green Guide Rod lasers from LaserMax. For design, performance, and durability, nothing else comes close. br /br /Specifications:br /br /- Weight: 1 ozbr /- Power output: 5 mWbr /- Battery Life: Approx. 1 hr continuousbr /- Alignment: Factory aligned for 20 yardsbr /- Warranty: 5 Yearsbr /- Fits: Glock 20, 21, 20SF, 21SF (Gen 1-3)