LaserMax Guide Rod Laser Sight for Sigarms P220 .45 ACP<br />http://www.amazon.com/gp/product/B001AT05FK?tag=sukses2015-20<br />Pulsating laser sight for faster target acquisition and re-acquisition <br />Extremely rugged lightweight and completely internal <br />Installation takes minutes with no gunsmith help needed <br />No alignment needed <br />Keep your holster - keep your tactical lights - keep your favorite grips
