A true drop in trigger. Comes standard with no safety or bolt stop. Adjustable, 3-lever design gives a weight of pull from 4 - 10 oz. Post-style finger lever adjusts for length and cant This trigger was created for the Bench-rest and long distance varmint shooters. With a knurled trigger bar, it is adjustable for length of pull. It can also be rotated from side to side to put fire control right where you decide. Adjustable from 4 to 10 ounces. The model 501t will not accept a safety. Trigger allows you to become more accurate with your rifle No gunsmith needed, easy to install Designed by benchrest shooters' request