This is a TALON Grips Inc Grip known as the Rubber, model 107R.
TALON Grips for Glock Gen 3 Model 29SF" 30SF" and 30S models. This rear wrap grip is in the rubber textures. This grip provides full coverage on the side panels including above the thumb rest" ample coverage on the backstrap" and two finger wraps for the finger groves under the trigger guard. This grip has a logo cutout for the Glock emblem on the left side of the handle. This grip sticks extremely well even with the Rough Textured Frame (RTF).
Features:
Black finish
Durable single piece firearm specific design provides maximum coverage
Top quality fit and finish
Increases control and accuracy