The Shield Arms +5/4 Magazine Extension is engineered to maximize your Glock's ammunition capacity without sacrificing reliability or function. This premium extension is specifically designed for Glock® 17, 22, 34, 35, 19X®, and 45 models, adding substantial capacity for competitive shooting, law enforcement duty, and personal defense applications.
Constructed from aircraft-grade aluminum with a durable anodized finish, this extension offers the perfect balance of lightweight performance and rugged durability. The precision-machined design ensures seamless integration with factory Glock® magazines while maintaining the feeding reliability Glock® pistols are known for.
Aircraft-grade aluminum construction for maximum durability
Type II Anodized finish resists corrosion and wear
Drop-in installation requires no permanent modifications
Maintains factory magazine reliability and feeding
Lightweight design preserves firearm balance
Includes all necessary installation hardware
Compatible with OEM and most aftermarket Glock® magazines
Professional Applications
The Shield Arms magazine extension is trusted by professionals across multiple disciplines:
Competitive Shooting: USPSA®, IPSC®, and 3-Gun competitors rely on maximum capacity for stage planning
Law Enforcement: Officers appreciate the additional rounds for duty and backup magazines
Training: Extended capacity reduces reload frequency during training sessions
Home Defense: Responsible gun owners value the peace of mind from increased capacity
Installation & Compatibility
Installation is straightforward and requires no gunsmithing or permanent modifications to your firearm or magazines. Each extension includes allen wrenches and detailed instructions. The extension fits flush with standard Glock® magazine base pads and maintains a clean, professional appearance.
Compatible with:
Glock® OEM factory magazines
Most aftermarket Glock-pattern magazines
Standard and extended base pads
These magazines are RESTRICTED in some states. Your order will be CANCELLED if you are in a high-capacity restricted state.(State Restrictions)
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
Warranty Information
Any warranty issues with this product must be handled directly with Shield Arms. (Manufacturer's Warranty)
