There are plenty of ways to carry your LC9 or LC380, but once you attach a Viridian laser you change the dimensions of your weapon and need a more specialized holster. Depending on what your carry style of choice is, you are likely able to find a few good options for this configurations. If you prefer appendix carry, you might want the Crossbreed Appendix Carry For LC9/380 with Reactor Right Handed IWB Holster from Omaha Outdoors.
Constructed with the LC9 and LC380 in mind, this holster was built to take your weapon already equipped with a Reactor laser. The holster comes ECR equipped, which lets you take advantage of your laser’s Instant-On feature. Its kydex shell is supported by premium leather backing, which ensures great retention and a comfortable fit. The metal belt clips will hold it secure on belts up to 1 ½”. If you want a more custom fit, it comes adjustable for ride height and for cross-drawing if you prefer.
When you are looking for an effective way to carry either your LC9 or LC380 with its Reactor attached, this holster is definitely one promising option to consider.