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M1 Carbine 30-Round Magazine

The United Defense M1 Carbine 30-Round Magazine is a high-capacity feeding solution patterned after the original USGI "banana" magazine used in the M1 and M2 Carbines. Built from heat-treated high-carbon steel with a protective black oxide finish, it holds 30 rounds of .30 Carbine and drops into any USGI-spec carbine without modification. The curved body, proper spring tension, and clean feed lips deliver the reliable cycling you expect from a mil-pattern magazine. A solid choice for range shooters, collectors, and anyone running an M1 Carbine who wants extended capacity at a working-man's price.

In stock

SKU
IMP-0005
$19.95
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Description

Features

  1. 30-Round Capacity — Doubles the standard 15-round loadout for extended range time and fewer reloads between strings.
  2. .30 Carbine Chambering — Designed specifically for .30 Carbine ammunition and patterned after the original USGI M2 Carbine magazine.
  3. USGI Pattern Fit — Drops cleanly into any M1 or M2 Carbine built with USGI parts or to original military specifications.
  4. Heat-Treated Steel Body — Constructed from high-carbon, heat-treated steel for long-term durability under hard use.
  5. Black Oxide Finish — Corrosion-resistant black oxide coating protects the body and gives the magazine a clean, military-style appearance.
  6. High-Tensile Spring — Properly tensioned spring delivers consistent feeding pressure from the first round to the last.
  7. Curved "Banana" Profile — Classic curved geometry that mirrors the original wartime 30-round mag for reliable cartridge stacking.
  8. Bolt Hold-Open Compatible — Works with carbines featuring the late-pattern bolt hold-open follower for faster reload cues.
  9. Easy Loading — Smooth feed lips and follower geometry make topping off to full capacity quick and painless.

More Information

Customer Reviews

4.9

54 reviews

100% of customers recommend this product

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Top customer reviews

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  1. Helzer

    Verified Buyer

    Solid Banana Mag For The Money

    Overall Rating

    Value

    Price

    Quality

    Honestly this thing feeds smooth every single time I've used it so far. The steel feels LEGIT, noticeably heavier gauge than some cheaper stuff I messed with before, and the feed lips have good tension right out of the box.

    Noticeably heavier steel than cheap import mags
    Doubles your capacity so way less reloading at the range

    Seating a fully loaded 30-round mag can be stiff,

  2. BTodd

    Verified Buyer

    Reliable Mag for My Old Carbine

    Overall Rating

    Value

    Price

    Quality

    Picked this up for my M1 carbine and it loaded all 30 rounds without jamming the spring. Took it to the range and every round fed smooth even when shooting fast. Does what its supposed to for sure.

    Holds full 30 rounds easy
    Feeds without issues

  3. BoDFisher

    Verified Buyer

    Does The Job

    Overall Rating

    Value

    Price

    Quality

    Feeds fine in my carbine.
  4. Survivalism is Freedom

    Verified Buyer

    Better than the junk I had

    Overall Rating

    Value

    Price

    Quality

    Had a couple aftermarket mags that wouldnt even lock into my carbine so I was nervous ordering another 30 round banana mag. This one dropped in and locked up solid right out of the package. Ran it through a short practice session and it held the bolt open when empty which my old ones never did. Only minor thing is the finish scuffed a tiny bit from bouncing around in my range bag but thats cosmetic. Gonna order another one for sure.

    bolt hold open works

  5. RifleSku88

    Verified Buyer

    Fits Perfectly

    Value

    Overall Rating

    Price

    Quality

    This mag loads up fast and shoots smooth every time. No jams at the range.
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