Shield Arms Glock 17/22 +5/+4 Magazine Extension Base Plate Black

The Shield Arms Glock 17/22 +5/+4 Magazine Extension Base Plate is a black aftermarket floor plate extension for Glock magazines. It adds capacity to OEM magazines, adding 5 rounds to Glock 17, 19X, 34, and 45 magazines chambered in 9mm Luger, and 4 rounds to Glock 22 and 35 magazines chambered in 40 S&W.

The extension is machined from billet 6061 aluminum and finished with a Type 2 anodized coating. Its floor plate design lets you reach the spring and follower to service or clean the magazine body without removing the extension. Index cuts on the extension body improve grip when drawing the magazine from a pouch. The kit includes a +10% power spring.

The extension fits OEM Glock magazines only. The product is listed as fitting most aftermarket flared magazine wells.

• Platform: Glock
• Calibers: 9mm Luger, 40 S&W
• Capacity: 5 Rounds (+5 for 9mm, +4 for 40 S&W)
• Material: 6061 Aluminum
• Finish: Type 2 Anodized
• Color: Black
• Fits: Glock 17/19X/34/45 (9mm) and Glock 22/35 (40 S&W) OEM magazines