The Glock Modular Back Strap (MBS) system lets you tailor the grip size of compatible Glock pistols to fit your hand. This factory OEM backstrap/beavertail set for Glock G29 and Glock G30 Gen4 pistols includes small, medium, and large backstraps plus the installation tool, making it easy to swap between sizes without changing the grip angle.

Key features

• Factory OEM Glock MBS backstrap/beavertail set for Glock G29 Gen4 and Glock G30 Gen4
• Includes small, medium, and large backstraps for adjustable hand fit
• Installation tool included for straightforward, repeatable swaps
• Black polymer backstrap components designed for long-term durability

Upgrade the feel of your Glock by selecting the backstrap size that best matches your grip. Keep this set as a spare or use it to tune fit from day one.