Gen 3 (Mk III) Universal Field Sight Pusher - 2 in 1: Front &amp; rear sight installations + Compact range adjustment tool from RST RearSightTool<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Specifically designed for Glock 42 and 43 factory pattern sights. Also fits Trijicon Glock Suppressor sights. </span></li><li><span class="a-list-item"> Fits Gen 2 and Gen 3 (Mk III) Universal Field Sight Pushers. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31EFq74XkmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xpZAm1IrL.jpg" noproxy>