Replacement Stand Off Device Installation Hardware Options
Screws:
     Includes 4 replacement screws for installation plate
     Screw is a 8-32 x 1/4 button head cap screw
     Available for the following Stand Off Devices: 
          All M & P models
          All Compensated Glock models
Small Clamp (does not include screws)
Rail Clamp (does not include screws)

CLAMPS ARE NOT INTERCHANGEABLE BETWEEN STANDARD AND RAIL ACCESSORY GLOCK STAND OFF DEVICES.
THESE ARE INTEDED AS REPLACEMENTS FOR ORIGINAL PURCHASE.