XS Sight Systems 24/7 BIG Dot S&W Shield Tritium

XS SIGHTS EXPRESS HANDGUN SIGHTS – S&W M&P SHIELD 9 40 & 45 – DXW BIG DOT*
•Standard (Std.) Dot® & Big Dot® sights have Trijicon® Tritium dots within standard or big white dots
•Precision-machined low-profile & snag-free
•Enhances sight acquisition in all light conditions
•Provides ultimate “Flash Sight” picture
•Excels in high stress defensive situations
•Improves low-light accuracy
•NOTE: DXW* denotes a tritium front & white stripe (non-tritium) rear; DXT** denotes a tritium front & a tritium rear; S&W J-Frame*** & Ruger SP101*** models must have drilled pin hole to install sight – Do NOT use pusher installation kit included; WALTHER PPS/PPS M2/CCP**** – CCP installation will destroy bottom of t-slot cannot go back to factory sights