Brownells has taken the Guess work out of upgrading your Glock 19A(R) or Glock 17A(R)! We've paired our own versions of the slides with the Meprolight Sight Set. This set is a green front and green rear iron sight set! Our Iron Sight Slide for Glock 17A(R) or Glock 19 Gen3 enables you to build a custom GlockA(R)-style pistol - or rebuild an old one - with a slide that sports distinctive customized cocking serrations. The unique front serrations aid in manipulating the slide under stress, especially for quick chamber checks AND for clearing the occasional jam. Both the front and rear serrations are cut to the same depth as the GlockA(R) factory slide serrations to ensure no Mfg: Brownells