Glock 50431 Modular Magwell | Gen5 | G17/G34/G45

The Glock Modular Magwell (MFG# 50431) is an OEM accessory designed for Glock Gen5 pistols. It is molded from polymer with a black finish and provides a flared entry at the base of the grip to help guide magazines during reloads. Intended for use on Glock G17 Gen5, G34 Gen5 and G45 frames, this magwell is an add-on that focuses on ergonomics and reload consistency for practical shooting and competition use.

Product Specifications

• The manufacturer part number is 50431.
• The magwell is compatible with G17 Gen5, G34 Gen5, and G45.
• The product model is listed as Modular Magwell.
• The material is Polymer.
• The finish is Black.
• The brand fit is Glock.
• The product type is Magwell.
• The subcategory is Handgun Parts.
• The color is Black.
• The listed weight is 0.05.
• The item is described as an OEM accessory for Gen5 frames: Yes.
• The magwell increases the internal ramp area of the grip to aid magazine insertion: True.
• The UPC is 764503041808.

Engineered as a straightforward, factory-fit accessory, this magwell provides a larger, more forgiving entry for magazines while retaining Glock’s Gen5 ergonomics. Its polymer construction keeps weight low and installation simple so shooters can adapt their grip and reload technique with minimal disruption to the pistol’s profile. Suitable for competition and service-style carry where faster, more repeatable reloads are desirable, it delivers a targeted improvement without altering core function.

Users commonly praise the magwell for noticeably faster, more reliable reloads and for being easy to install.