The Performance Center M&P9 M2.0 Metal Pistol Bundle Four interchangeable palmswell grip inserts for optimal hand fit and trigger reach- S M ML L. Flared mag well for fast reloads. Reversible magazine release. M2.0 flat face trigger for consistent finger placement that allows for even more accurate and repeatable shooting. Enhanced sear for lighter crisp trigger let-off. - The Holosun optical sight included in this bundle improves on previous versions by adding Lock Mode. Lock Mode when activated locks the buttons preventing inadvertent setting changes. Additional features include Holosuns Red Super LED with up to 50k hour battery life Solar Failsafe precision 2MOA dot and Shake Awake. The housing is made from 7075 Aluminum and houses the battery in a sidetray for easy replacement. - Pistol Model M&P9 M2.0 METAL - Caliber 9mm Luger - Barrel Length 4.25 - Weight 30 oz. (850.5 g) - Rear Sight Steel White 2-Dot - Grip Interchangeable Backstrap Inserts (4) - Front Sight Steel White Dot - Width 1.3 (3.3 cm) - Barrel 4.25 (10.8 cm) Stainless Steel w/Armornite Finish - Overall Height 5.5 (14 cm) - Frame Size Full-size - Slide Stainless Steel w/ Tungsten Gray Cerakote Finish - Overall Length 7.4 (18.8 cm) - Action Striker-fired semi-automatic - Frame 7075-T6 Aluminum w/ Tungsten Gray Cerakote Finish - Sight Radius 6.5 (16.5 cm) - Rifling 1:10 Twist - HOLOSUN HS407C X2 RED DOT OPTIC INCLUDED - Reticle 2 MOA Red Dot - Window Size 0.63 x 0.91 - Light Wavelength 650nm - Parallax Free w/ Unlimited Eye Relief Yes - Magnification 1X - Power Source Solar & Battery (CR1632) - Battery Life (Hours) 50000 - Sight Dimensions (in) 1.78 x 1.15 x 1.15 - Comes complete with mounting screws & C.O.R.E. plate - This pistol/optic bundle comes with two 17-round magazines