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MIL-SPEC M1 Carbine Magazine

The MIL-SPEC M1 Carbine Magazine from United Defense is a 15-round straight box magazine chambered in .30 Carbine, built to the original US military specification issued with the M1 Carbine in 1941. Its heat-treated steel body and blued finish stand up to hard use while resisting corrosion, and USGI-pattern feed lips paired with a heavy-duty spring keep rounds feeding reliably. It drops into all standard M1 Carbines and most post-war reproductions for a tight, wobble-free lockup. This is the right magazine for collectors, range shooters, and anyone running an original or reproduction M1 Carbine.

In stock

SKU
CD-0002
  $14.95
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  • Buy 10 for $9.95 each and save 33%

Description

Features

  1. 15-Round Capacity — Holds a full 15 rounds of .30 Carbine in the original straight box configuration issued with the M1 Carbine.
  2. .30 Carbine Chambering — Built specifically for the 7.62x33mm .30 Carbine cartridge for correct feed geometry and reliable cycling.
  3. Heat-Treated Steel Body — Magazine body is formed from heat-treated steel for the strength and durability to withstand hard field use.
  4. USGI-Pattern Feed Lips — Feed lips follow the original US military specification to deliver consistent, dependable rounds-to-chamber presentation.
  5. Blued Corrosion-Resistant Finish — A blued steel finish protects against rust and matches the look of original wartime-issue magazines.
  6. Drop-In MIL-SPEC Fit — Locks up tight and wobble-free in all standard M1 Carbines and most post-war reproductions.
  7. Heavy-Duty Spring — Internal steel spring maintains consistent tension for reliable feeding from the first round to the last.
  8. Single-Stack Profile — The slim straight-box design keeps the rifle's original handling and balance intact.

More Information

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Customer Reviews

4.6

1340 reviews

92% of customers recommend this product

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Top customer reviews

  1. Todd

    Verified Buyer

    Beats the Korean repros

    Value

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    Quality

    I've been running a mix of mags in my Inland M1, mostly those cheap Korean 15-rounders and a couple old USGI that are beat to heck. The Korean ones always gave me nose-dive jams on the last 2 rounds, drove me nuts. Picked up one of these United Defense mags to test and honestly it's night and day. The steel feels thicker, the bluing is even and deep, and it locks in with zero wobble unlike the imports that rattle around. Ran 150 rounds through it yesterday, not a single hiccup. Gonna order 3 more and retire the junk mags.

    WAY BETTER than the Korean repros!

    Wish it was parkerized

  2. Cunningham

    Verified Buyer

    Bought four, all good

    Value

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    Picked up four of these for plinking days. All four feed great and lock up solid. No complaints for the money.
  3. Gunny

    Proper USGI-spec

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    Quality

    Finally a new-production mag that actually looks and runs like the originals we had in the armory. Got this for my '43 Saginaw and it dropped in like it was meant to be there no wobble, no drag, feeds smooth as butter. The follower geometry is correct M1-pattern (not the M2 square style some repros use). I've seen too many KCI mags at the range that run loose in the magwell or have feed lips that'll slice your thumb open loading. This United Defense mag has proper heat-treated steel and clean stampings, not that soft commercial garbage. Took it through a two-day carbine class, ran 400+ rounds, zero malfunctions. For twenty bucks more than the Korean stuff you're getting real mil-spec construction. Worth every penny.

    Clean feed lips that don't shred your thumbs

  4. DustyRifleman

    Verified Buyer

    Best Replacement for My Old M1

    Value

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    I swapped out my worn out original mags with these new MIL‑SPEC mags and the difference is night and day. The steel body feels rock solid and the rounds feed perfectly even after a 500‑round stress test.

    Excellent reliability under heavy use

  5. Dale R

    Verified Buyer

    Beats my tired old surplus mags

    Value

    Overall Rating

    Price

    Quality

    Been shooting an M1 carbine for years and my old GI mags finally started having weak springs and feeding issues so I grabbed a couple of these. Right out of the box the finish looks good and it dropped right into the mag well no fuss. Took it to the range last weekend and it fed all 15 every time, no jams. Only thing is loading those last couple rounds is a fight because the .30 carbine round is long and skinny so you really gotta push em straight or they wanna tip. Other than that real happy with it.

    Feeds reliable right out of the box

    Last couple rounds are hard to load

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