LASER FITS MOST COMPACT to FULL-SIZE PISTOLS WITH/RAILS & CROSS-NOTCH INCLUDING
LASER FITS  [You need approx. 1 1/4" clearance from the rail notch to the trigger guard] 

See image showing how it does NOT fit the "PPS M2", but it will fit the PPS with rail & cross-notch.

COMPACT GREEN LASER SIGHT                  
Operate model:  continuous laser
Wavelength:  532nm    
Output Power:3-5mW   
Working Temperature:-10° ~ +55°   
Storage Temperature:   0° ~ +65°   
Working Voltage:6V; 2pcs 3V 1/3N Lithium Batteries    
Runtime:1-2hours    
Dot Size:<20mm @ 50m    
Operate Model: Steady Beam      
Picatinny Rail MIL-STD-1913  
Adjustable for windage and elevation  
Activation: ambidextrous buttons

Warranty: 6 Month Warranty through Lasersightpro.com
Weight:36.00g   
Dim: 1 5/8"L x 1"HANG x 1 1/8"W
 (HANG = below barrel)
Battery Type: Built-in Rechargeable

KIT INCLUDES
Laser sight
Micro USB Charging Cable & AC Adapter