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This is a legitimate factory replacement magazine for M1 Carbine rifles chambered in .30 Carbine. Built by Kahr Arms (Auto-Ordnance), the MC3030 uses the same specifications that worked in military service and continues to work today. The magazine feeds smoothly thanks to a properly tensioned music wire spring and a low-tilt steel follower that glides with minimal friction inside the body. The 30-round capacity gives you plenty of rounds downrange before needing to swap mags.
The magazine body is heat-treated steel finished in a corrosion-resistant blue, giving it both durability and a classic appearance that matches original M1 Carbines. At 7 inches long and holding the full 30 rounds, the curved banana profile is intentional, designed to support reliable cartridge stacking from first round to last. The machined construction maintains tight tolerances, which is critical for consistent feeding. Every surface that matters has been engineered with precision.
Feed reliability in an M1 Carbine depends heavily on magazine quality. The MC3030 features exactly the geometry and spring tension the carbine was designed around. The feed lips are precision-engineered rather than stamped, and the follower engages the cartridge rim at the right angle every time. This prevents binding, tilting, or the kind of feeding hiccups that plague cheaper alternatives. Real-world testing shows this magazine operates slicker than expected, with the follower moving smoothly inside the body without any dragging or binding.
This magazine fits Auto-Ordnance M1 Carbine rifles and works with any M1 or M2 Carbine built to standard specifications. It's also compatible with original military carbines from Inland, Winchester, and other WWII-era makers. If you're running an Auto-Ordnance reproduction, you know it's the right fit because it's from the same manufacturer.
Yes, as long as your rifle has the Type IV magazine catch (which includes a small nub on the left side). Most M1 Carbines made after WWII and all Auto-Ordnance reproductions use the Type IV catch, which is required to properly retain and feed the heavier 30-round magazines reliably. If you have an early-war rifle with the original Type I or II catch, you'll need to upgrade to the Type IV to safely use 30-round magazines.
New Auto-Ordnance magazines are built to the same specifications as original military magazines but without decades of wear. Original surplus mags can have feed lips that have been damaged or worn unevenly over 70+ years, while this MC3030 is factory-new with properly hardened feed lips and correct spring tension from day one. You get the reliability of original specs without the gamble of condition issues.
Yes, this 30-round magazine works in both semi-automatic M1 Carbines and select-fire M2 Carbines, provided the rifle has the correct Type IV magazine catch. The magazine pattern is standardized across both platforms, so fitment is not an issue. If you own either model, this magazine will function the same way.
Keep it clean and dry when stored. The blued finish resists corrosion but will benefit from occasional light oiling if stored long-term. Don't store the magazine loaded for extended periods as constant spring pressure can eventually weaken tension over many years. A good magazine pouch protects the feed lips from damage during transport and storage.
| UPC | 602686430067 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MC3030 |
| Brand Fit | Auto-Ordnance |
| Caliber/Gauge | .30 Carbine |
| Capacity | 30 |
| Color | Blue |
| Length | 7 |
| Model | |
| Model Fit | M1 Carbine |
| Package Height | 2.0 |
| Package Width | 6.0 |
| Product Type | Replacement |
| Shipping Weight | 0.25 |
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