FEATURES-Black-Remington trigger including safety & bolt stop release-Weight of pull range of 8 oz. to 1.5 lbs.-All Remington triggers will fit models: 700, 40x, 721, & XR-100-Factory adjusted to break at 10 to 12 oz.-For right hand action only-Comes complete with instructional DVD & hardware pack for easy user installation*Replacing the X Mark trigger requires purchase of our "K" kit