The Shield Arms SHIELD MAG EXT +5/4 FOR GLK19/23 MUD is engineered with precision and durability in mind. This magazine extension adds 5 rounds to your Glock 19 magazine and 4 rounds to your Glock 23 magazine. Its unique easy access floor plate design allows for quick access to the spring and follower without removing the extension from the magazine body, ensuring seamless functionality and ease of use.

Ideal for range time and training, this extension is machined from billet 6061 aluminum and type 2 anodized for enhanced durability. Shield Arms is renowned for its innovative designs and commitment to quality.

Key Features:
- Manufacturer: Shield Arms
- Model: +5/+4 Magazine Extension
- Product Type: Magazine Extension
- Material: Billet 6061 Aluminum
- Unique Features: Easy access floor plate design, Index cuts on extension body
- What's In The Box: Magazine extension, +10% power spring