Check the listing for details. Strike Industries Adapter Plate for Glock GEN 4&5 SLIDES To Use GEN 3 Guide Rod. Color: Black, Condition: New. Listed at 16.95 USD. The Strike Recoil Spring Adapter Plate for GLOCK™ GEN4/5 to GEN3 enables you to retrofit your GEN4 or GEN5 slides to utilize both aftermarket and OEM GLOCK™ guide rods for a broader range of tuning options. This adapter plate works with both captured and non-captured guide rods and features a drop-in installation process that is both quick and easy. The lightweight design and durable S45C steel construction make this adapter plate an ideal choice for anyone looking to upgrade their GLOCK™ weapon. With the Strike Recoil Spring Adapter Plate for GLOCK™ GEN4/5 to GEN3, you can better tune your setup to enjoy improved accuracy, reduced recoil and an overall smoother shooting experience.COMPATIBILITY: GLOCK™ G17/G19/G20/G21/G22/G23/G31/G32/G34/G35/G41/G45/G47NOTE: -User is responsible for proper recoil spring/guide rod fitment for retrofit -G17 & G34 will require a a G21 length guide rodProduct Features: Retrofit GEN4 or GEN5 slides to utilize GEN3 guide rodsBroader range of tuning options with available aftermarket GEN3 guide rodsWorks with both captured and non-captured guide rodsDrop-in installationLightweightMade from S45C steel Specifications:LENGTH: 5.60mm (0.22")WIDTH: 17.95mm (0.70")HEIGHT: 14.55mm (0.57")WEIGHT: 0.10 oz