Glock 37 Gen4 Caliber Exchange Kit
$649.00 Regular Price
$499.00Sale Price
Glock 37 Gen4 Caliber Exchange Kit
Includes a new, complete Glock 37 slide with barrel and 3 magazines
This is compatible with Glock Gen4 17, 22, 31, and 37 frames
Converts your 17/22 to shoot .45 GAP
This will not fit Gen3 or Polymer80 frames