Description
This Springfield Armory magazine slots into your M1A with the precision fit that comes from being factory-engineered for the rifle. Built from heat-treated steel with a blued finish, it's constructed to handle years of range and field use without giving up durability.
Springfield M1A Magazine Design and Build
With 15 rounds of capacity, this magazine bridges the gap between the lighter 10-round option and the heavier 20-round setup. The steel body and steel base plate are manufactured to Springfield's tight tolerances, which means each magazine works reliably from the first mag dump. The blued finish resists corrosion while keeping the weight down compared to stainless alternatives. The steel follower and high-tensile spring work together to feed rounds smoothly whether you're at the bench, in the field, or running drills.
Why Factory Magazines Matter for the M1A
If you've looked at M1A magazines online, you've probably noticed that reliability discussions consistently point back to factory Springfield magazines. That's because these mags are tested and engineered specifically around the M1A's magazine feed lips and catch. Unlike some aftermarket options, there's no guessing about fit or feeding consistency. The magazine seats solidly when inserted and drops free when you need it out of the rifle.
This 15-round capacity gives you practical flexibility. It's more ammo than a 10-round mag without making your rifle feel like a range toy, and it works for hunting scenarios where you want a capable rifle without excess weight. For range days and training, having a couple of these loaded keeps you shooting instead of reloading.
Key Specifications
- Manufacturer: Springfield Armory
- Model Number: MA5051
- UPC: 706397854300
- Capacity: 15 Rounds
- Caliber: .308 Winchester / 7.62x51mm NATO / 6.5 Creedmoor
- Material: Steel Body and Base Plate
- Finish: Blued Steel
- Length: 10.5 Inches
- Weight: 0.45 lbs
- Fits: Springfield Armory M1A / M14 Rifles
- Type: Detachable Box Magazine
What’s Included
- One Springfield Armory M1A 15-round Magazine MA5051
Frequently Asked Questions
Will this 15-round magazine work with my M1A?
Yes. This is a factory Springfield Armory magazine designed and manufactured for the M1A platform. It's built to the same specifications as all original equipment M1A magazines and will fit any M1A rifle chambered in .308 Winchester, 7.62x51mm NATO, or 6.5 Creedmoor. Direct fit and function are guaranteed.
What's the difference between this 15-round mag and the 20-round option?
Capacity is the main difference. The 15-round magazine offers a middle ground between lighter 10-round mags and heavier 20-round magazines. For hunting or situations where you want the rifle lighter and more manageable, 15 rounds is practical. For range sessions where you want more shooting between reloads, a 20-round mag might make sense. Both use the same reliable steel construction and feeding system.
Is this a factory magazine or aftermarket?
This is a factory Springfield Armory magazine made in the USA to OEM specifications. It's not an aftermarket design. Factory M1A magazines are built and tested specifically for the rifle, which is why they're trusted for serious shooting whether you're hunting, training, or competing.
How durable is the blued finish on this magazine?
The blued finish on Springfield Armory magazines provides good corrosion resistance for field and range use. Regular maintenance and light oil helps extend the finish life. If you subject the magazine to extreme outdoor conditions, occasional touch-ups may be needed, but the steel construction underneath is solid and will keep feeding rounds reliably for years.






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