Product Description
The ProMag Industries GLK-A21 is a high-capacity 20-round 9mm pistol magazine designed to fit Glock 17/19/26 platforms. Built with a proprietary DuPont Zytel-based polymer body and a full-length steel internal insert (stamped and welded like a factory magazine), it delivers dependable feeding and long-term durability. An injection-molded follower and a heat-treated chrome silicon spring support consistent performance. Made in the USA and backed by a ProMag lifetime guarantee against manufacturer’s defects.
Product Highlights
- 20-round capacity for 9mm Glock 17/19/26 pistols—ideal for range use and training
- Proprietary DuPont Zytel-based polymer magazine body for lightweight strength
- Full-length steel internal insert, stamped and welded for reinforced structure
- Injection-molded follower for smooth, reliable cartridge presentation
- Heat-treated chrome silicon spring for long service life and consistent tension
Specs
- Brand Name: ProMag Industries
- Manufacturer Part Number: GLK-A21
- UPC: 708279015861
- Type: Pistol magazine
- Caliber: 9mm
- Capacity: 20 rounds
- Compatibility: Fits Glock 17 / 19 / 26 (9mm)
- Color: Black
- Body Material: Polymer (DuPont Zytel-based)
- Internal Reinforcement: Full-length steel insert
- Spring Material: Heat-treated chrome silicon wire
- Country of Manufacture: USA
Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.
Customer Satisfaction Guaranteed
Most orders placed before 12 Noon (EST) ship same day and FREE SHIPPING on orders $50+
No-Hassle Returns for 30 days from your purchase date.
TLO is a family-owned, American small business in GA. We treat you right.