The Springfield Armory 1911 Full-Size Magazine – .45 ACP, 7 Rounds, Stainless Steel (PI4520, UPC 706397850760) is a factory-original, single-stack magazine engineered to deliver classic 1911 reliability in your full-size .45 ACP pistol. Built from durable stainless steel with a tried-and-true 7-round capacity, this OEM mag is ideal for concealed carry, home defense, competition practice, and serious range work when you demand smooth feeding and long-term performance from your 1911.
Genuine Springfield OEM Magazine for Full-Size 1911 .45 ACP
This is a Springfield Armory factory magazine, specifically designed for full-size 1911 pistols chambered in .45 ACP:
Fits most full-size Springfield 1911 .45 ACP models that use standard single-stack magazines
Designed for proper mag catch engagement, secure lockup, and smooth insertion and removal
Built to the same engineering standards, dimensions, and tolerances as the original mags that ship with your pistol
If you trust a full-size 1911 for personal protection or serious training, using genuine Springfield magazines like the PI4520 is one of the best ways to maintain legendary 1911 reliability.
Classic 7-Round .45 ACP Capacity – Proven and Practical
The 7-round capacity is the classic standard for full-size 1911 pistols:
Offers proven reliability with traditional .45 ACP ammunition in a single-stack configuration
Ideal for shooters who prefer the original 1911 format, emphasizing reliability and consistency
Pairs perfectly with one in the chamber for a total of 8 rounds of .45 ACP on tap
For many 1911 owners, a 7-round magazine remains the benchmark when it comes to feeding reliability and overall performance.
Stainless Steel Construction – Strong, Corrosion-Resistant & Smooth
The Springfield PI4520 features a stainless steel magazine body, offering significant advantages over cheaper alternatives:
Corrosion resistant – ideal for daily concealed carry, humid climates, or long-term storage
Withstands drops, frequent reloads, and hard training use without easily denting or deforming
Smooth stainless exterior makes insertion into and ejection from the magwell fast and consistent
Stainless construction gives you confidence that your magazine will keep working even after years of carry and range time.
Engineered for Reliable Feeding & Positive Slide Lock
Springfield Armory designs its 1911 magazines as an integral piece of the platform:
Precision-formed feed lips help present each round at the correct angle for smooth chambering
A robust high-tensile magazine spring maintains consistent tension throughout the 7-round stack
A well-designed follower works with your pistol’s slide stop to ensure reliable last-round slide lock, confirming instantly when it’s time to reload
Whether you’re firing slow, controlled groups or running defensive drills, this magazine is tuned to keep your 1911 cycling reliably.
Slim Single-Stack Profile – Ideal for Carry & Spare Mags
The single-stack design of this full-size 1911 mag keeps your setup sleek and carry-friendly:
Slim profile reduces printing under cover garments when carried in the pistol or as a spare on the belt
Fits easily into single-stack mag pouches, IWB/OWB mag carriers, pockets, or EDC organizers
Comfortable to carry all day, whether as your primary mag or as backup magazines on your support side
If you’re building a serious everyday carry system around a full-size 1911, this stainless 7-round mag keeps your gear streamlined and practical.
Perfect as a Primary, Spare, or Dedicated Training Magazine
Every serious 1911 shooter should have multiple magazines. The Springfield PI4520 is an excellent choice for:
Your primary carry magazine in a defensive 1911
One or more spare magazines for concealed carry or home defense
A dedicated training mag for range days, competition practice, and reload drills
Running original Springfield mags across both practice and carry ensures your gear behaves consistently when you need it most.
Ideal for Concealed Carry, Duty, and Range Use
This 7-round stainless mag is versatile enough for nearly any role your full-size 1911 fills:
Concealed carry & EDC: Slim, reliable, and corrosion-resistant
Home defense: Designed for long-term loaded storage and dependable function
Range practice & competition drills: Smooth feeding for repeated live-fire sessions
If you rely on your 1911 for serious purposes, pairing it with Springfield factory magazines is simply good insurance.
Key Features & Specifications – Springfield 1911 Full-Size .45 ACP Magazine (PI4520)
Brand: Springfield Armory
Model: 1911 Full-Size Magazine
Caliber: .45 ACP
Capacity: 7 rounds
Compatibility: Full-size 1911 .45 ACP pistols using standard single-stack magazines (including Springfield full-size 1911 models)
Body Material: Stainless steel
Finish: Natural stainless
Follower: Springfield OEM design for reliable feeding and slide lock
Spring: High-tensile magazine spring
Manufacturer Part Number (MPN): PI4520
UPC: 706397850760
If you’re looking for a reliable, stainless steel 7-round magazine to keep your full-size Springfield 1911 .45 ACP performing at its best, the Springfield Armory PI4520 OEM Magazine (UPC 706397850760) is the smart choice—delivering classic capacity, corrosion-resistant durability, and factory-tuned reliability for everyday carry, defensive use, and serious range training.
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