This self-contained, easy to install trigger reuses the factory safety components that feature a three-position safety to lock the bolt. With the pull weight factory set at 3 lbs., and fully adjustable from 2 to 4 lbs., you can experience an exceptionally smooth, crisp feel at the pull weight you prefer. Product Features Three-position safety 2 - 4 lb. pull weight Factory set at 3 lbs. Fully adjustable pull weight Easy to install, no gunsmith needed Precision machined from premium materials Made in the USA