ProMag Springfield Armory Echelon 9mm 20 Round Extended Steel Magazine Black Oxide SPR A26 UPC 708279017681
Product Description
The ProMag® SPR-A26 20-Round Extended 9mm Magazine for the Springfield Armory® Echelon™ (SKU: SPR-A26 / UPC: 708279017681) gives operators and competitive shooters extended round capacity without compromising mechanical lockup. Engineered to complement the modular Central Operating Group (COG) architecture of the Echelon, this extended magazine delivers the extra reserve firepower required for high-tempo range sessions, 3-Gun competition stages, and duty belt staging.
Every magazine body is stamped from high-grade, heat-treated high-carbon steel and finished in a protective black oxide coating. This thermal hardening process prevents feed lip deformation, body spread, and denting under heavy drop cycles on concrete or gravel range surfaces. The low-glare black oxide treatment protects the steel from environmental moisture, harsh CLP solvents, and acidic sweat, while ensuring slick, snag-free movement inside the polymer grip module during rapid tactical reloads.
Internally, the SPR-A26 features an advanced injection-molded polymer follower engineered with anti-tilt geometry to ensure level cartridge presentation through the double-to-single stack transition. The follower is powered by an anti-fatigue spring precision-wound from premium chrome-silicon wire, delivering uniform upward tension across all 20 rounds of 9x19mm ammunition. Completed with an impact-resistant polymer extension baseplate that integrates smoothly with the lower frame, this magazine is manufactured in the United States and covered by ProMag's lifetime warranty.
*Armorer Bench Notes & Real-World Staging Guidance:*
Fitment Matrix: Fits Springfield Armory® Echelon™ 9x19mm Luger factory grip modules (Small, Medium, and Large frame sizes). CRITICAL: Incompatible with Springfield XD, XD-M, XD-M Elite, XD-S, Hellcat, Hellcat Pro, or 1911 DS Prodigy frames. Incompatible with aftermarket PCC lower receivers designed for Glock or Colt patterns. Avoid spraying wet lubricants, grease, or aerosol CLP inside the magazine body; wet residues attract carbon fouling and unburnt powder, leading to follower drag. Clean dry or apply a dry PTFE micro-film if necessary. Ensure local and state high-capacity compliance prior to staging.
- Ensure the host firearm is completely clear, magazine removed, and chamber visually and physically verified empty.
- Depress the polymer follower with an armorer punch or dowel to verify smooth, unhindered travel throughout the entire steel body column.
- Hand-load 9x19mm ammunition into the feed lips, ensuring each cartridge rim is fully seated against the rear spine wall.
- Insert the magazine assertively into the Echelon magwell until the factory ambidextrous magazine release securely clicks into place.
- Perform an assertive downward tug on the extended baseplate to verify full mechanical lockup before charging the slide or beginning live fire.
Key Features
- Heat-Treated High-Carbon Steel Body: Heavy-gauge stamped steel construction resists impact deformation, feed lip splay, and crushing under rigorous operational use.
- Corrosion-Resistant Black Oxide Finish: Delivers durable surface protection against rust and environmental wear while decreasing internal friction during feeding.
- Chrome-Silicon Wire Spring: Precision-wound, heat-treated spring wire retains elasticity and upward tension under extended staging and repeated reload cycles.
- Anti-Tilt Polymer Follower: Engineered follower geometry stabilizes the cartridge stack, preventing nose-diving and failure-to-feed malfunctions during rapid cycling.
- Extended 20-Round Capacity: Adds crucial round capacity over standard flush-fit magazines, ideal for USPSA, IDPA, steel challenges, and tactical reserve duty.
- Ergonomic Extended Baseplate: Impact-resistant polymer floorplate provides tactile purchase for rapid extractions and protects against over-insertion.
- Made in the USA: Built domestically under strict manufacturing standards and backed by ProMag's lifetime manufacturer warranty.
Product Specifications
- Brand: ProMag Industries®
- Model/Series: Springfield Armory® Echelon™ Extended Magazine
- MPN / SKU: SPR-A26 / SPRA26
- UPC: 708279017681
- Caliber: 9mm Luger (9x19mm Parabellum)
- Capacity: 20 Rounds
- Body Material: Heat-Treated High-Carbon Stamped Steel
- Finish: Black Oxide / Blue Steel
- Follower: Injection-Molded Anti-Tilt Polymer
- Spring: Precision-Wound Chrome-Silicon Wire
- Baseplate: Extended Impact-Resistant Polymer
- Platform Compatibility: Springfield Armory® Echelon™ 9mm
- Country of Origin: United States of America
