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Surefire AR-15 .223/5.56 100-Round Magazine

Surefire AR-15 .223/5.56 100-Round Magazine Right ViewEnlarge « »

Surefire AR-15 .223/5.56 100-Round Magazine


Availability: Out of stock

SKU: MAG5-100
Caliber: 223 Remington, 5.56mm NATO
Capacity: 100-Round
Material: Aluminum
  • Compatible with all weapons that accept standard STANAG 4179 compliant magazines
  • Reliable functioning due to mechanical simplicity and high-quality non-binding coil spring—no lubricants required
  • Long-lasting springs are cadmium coated for low friction and excellent corrosion resistance
  • Easily seated in weapon with bolt forward
  • May be kept fully loaded for extended periods without spring fatigue
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This is a Surefire 100-round extended magazine for AR-15 rifles in .223 Rem/5.56x45mm

Crafted from mil-spec, anodized aluminum with unique, nesting polymer followers and cadmium-coated, low friction followers.

Trusted by the US military for over half a century and favored by top competition shooters, the AR-15 is an ergonomic masterpiece and the most customizable rifle on the planet today. Combined with Surefire’s massive extended magazines, it delivers practically unlimited firepower and rock-solid reliability.

These magazines are designed for use with STANAG 4179-compatible AR-pattern rifles. They’re less bulky than drum magazines (less than two standard magazines clipped together), can be stored loaded for long periods of time, and seated in rifles even with the bolt closed.

Double down on firepower with a few spare 100-round magazines for your AR-15 today!

SureFire MAG5-100 HCM Specs:

  • Caliber: 5.56 NATO/.223 Remington
  • Capacity: 100 Rounds
  • Height: 12.2"
  • Width: 1.66"
  • Weight-Empty: 9.6 ounces
  • Weight-Fully Loaded: 3.3 lbs
  • Box Material: 6000 Series Aluminum
  • Follower Material: Nylon
  • Construction: Spot Welded
  • Finish/Color: MIL-L-46010 (Grey)

For comparison purposes, USGI 30-Round magazine specs provided below.

MILSPEC USGI 30-Round Magazine Specs:

  • Caliber: 5.56 NATO/.223 Remington
  • Height: 7.1”
  • Width: 0.88”
  • Weight-Empty: 3.9 ounces
  • Weight-Fully Loaded: 1.06lb/16.9 oz