With a CMMG, Inc Trigger Build Kit modifying your favorite weapon has never been easier or more enjoyable. These rifle triggers from the specialists at CMMG, INC was crafted and designed off the original M16 trigger to drop in with ease. Modified for semi auto use the CMMG, Inc Mil-Spec Assembly Kit is perfect for your next build. Reliable and durable the CMMG, Inc M16 Assembly Kit is an affordable addition to your firearm.