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T91 Magazine

The United Defense T91 Magazine is a 30-round 5.56x45mm NATO / .223 Remington magazine produced by a current Taiwanese defense contractor for the Type 91 combat rifle. The aluminum body features side witness holes for fast round counts, twin over-insertion tabs that are distinctive to the T91 design, and a green anti-tilt follower riding on a high-tension steel spring. Because it conforms to mil-spec dimensions, it also runs in standard AR-15 and M4 magazine wells. A solid pick for shooters who want an authentic, service-grade feed device for their AR-pattern rifle.

In stock

SKU
842038109719
$19.95
  $16.95
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Description

Features

  1. 30-Round Capacity — Standard-issue 30-round capacity in 5.56x45mm NATO / .223 Remington for full-load patrol or range use.
  2. AR-15 / M4 Compatible — Drops cleanly into mil-spec AR-15 and M4 magazine wells in addition to the Taiwanese T91 platform.
  3. Aluminum Construction — Lightweight aluminum body holds tight tolerances and resists corrosion in the field.
  4. Witness Holes — Indicator holes along the side let you verify remaining round count at a glance without unloading.
  5. Green Anti-Tilt Follower — High-visibility anti-tilt follower promotes consistent feeding and signals an empty magazine.
  6. Over-Insertion Tabs — Twin side protrusions unique to the T91 design prevent over-insertion when seated on a closed bolt.
  7. High-Tension Steel Spring — Heavy-duty steel spring delivers reliable feed pressure from the first round to the last.
  8. Current Taiwanese Defense Production — Manufactured by a current Taiwanese defense contractor to Ministry of National Defense standards.
  9. Made in Taiwan — Produced in Taiwan as a service-grade magazine for the Type 91 combat rifle.

More Information

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Customer Reviews

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100% of customers recommend this product

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Top customer reviews

  1. Donald

    Verified Buyer

    Taiwanese mil-spec works great in AR

    Value

    Overall Rating

    Price

    Quality

    I was looking for some extra 5.56 mags without spending Magpul money and these caught my eye. The witness holes along the side are actually really handy for quick ammo checks at the range. They feel solid and the finish is nice and clean no sharp edges or anything. I loaded em up full and they fed through my M4 clone no problems. Shipping was fast too. My only minor gripe is the spring feels a little stiff at first but after a few loads it loosens up fine.

    Mil-spec quality at a great price,Witness holes make round count easy

    Spring is pretty stiff out of the box,No anti-tilt follower color options

  2. SierraNovember

    Verified Buyer

    These Run Great No Issues

    Value

    Overall Rating

    Price

    Quality

    Honestly didnt know what to expect ordering these but they showed up in like 3 days which was awesome. Loaded em up, ran them in my BCM and my PSA build, zero hiccups. Lockup is tight and they drop free on both lowers. Will be ordering more.

    Reliable feeding across multiple platforms

    Wish they came in FDE

  3. ARAddict

    Verified Buyer

    Running flawless

    Value

    Overall Rating

    Price

    Quality

    Construction is legit aluminum body, steel feed lips, not the polymer everyone's running these days. Mine's been through maybe 800 rounds, dropped on concrete, left loaded for months, used to clear malfunctions by smacking the baseplate. No dents, no lip spread, the finish is holding better than my USGI mags. The weld seams are clean, no sharp edges, runs as smooth as a Lancer.

    Steel feed lips that actually last
    Fits and feeds in everything

    Slightly heavier than polymer, obviously

  4. Hobson

    Verified Buyer

    Solid mag, ran great in competition

    Value

    Overall Rating

    Price

    Quality

    I shoot USPSA PCC and 3gun and im always looking for affordable reliable magazines to add to my rotation since you need a bunch for competition. Picked up four of these T91 mags and ran two of them through a full match last weekend without a single issue. They dropped free from my mag well on every reload which is critical when youre on the clock and the anti-tilt follower kept everything feeding clean even when I was slamming mags in fast and hard. Shipping was really fast which I needed since the match was coming up quick, ordered Monday and had them by Thursday.

    Drops free cleanly from the mag well which is essential for fast reloads in competition shooting

  5. Tony

    Verified Buyer

    Solid 30 round AR mag

    Value

    Overall Rating

    Price

    Quality

    This T91 magazine is awesome. The witness holes let me see exactly how many rounds I have left, and the green anti-tilt follower makes feeding super reliable.

    Reliable feeding every time

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