LG-429 laser sights for Sig Sauer P228/P229 semi-automatics feature Crimson Trace's latest technology for this proven law enforcement and civilian handgun. Incorporating technology first used on Crimson Trace's MILSPEC version Lasergrips for the Beretta M9, the LG-429 features a front activation laser switch and rugged grip texture. The LG-429 incorporates a smaller laser diode housing for greater holster compatibility. Lasergrips installed with original grip screws from firearm.