Shield Arms +4/+5 (.40/9MM) Glock 17 Magazine Extension

Shield Arms +4/+5 (.40/9MM) Glock 17 Magazine Extension

The Shield Arms Glock 17/22/34/35/19X/45 Magazine Extension adds 5 rounds to your Glock 17/19X/34/45 magazine, and 4 rounds to your Glock 22/35 magazine. Our unique, easy access floor plate design allows you to easily access the spring and follower without having to remove the extension from the magazine body.

• Unique easy access floor plate design to service or clean the magazine body without the need to remove the magazine extension from the magazine body.
• Index cuts on the extension body to increase grip when coming out of a magazine pouch.
• Machined from billet 6061 aluminum
• Type 2 anodized
• Adds 5 rounds to Glock 17/19X/34/45 9mm
• Adds 4 rounds to Glock 22/35 40 S&W
• Comes with a +10% power spring
• Fits OEM Glock magazines only
• Proudly made in the USA
• Fits most aftermarket flared mag wells
• Lifetime warranty