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G1 AR15/M4 20-Round Polymer Magazine

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Item IMI-ZMG02

The IMI Defense™ G1 AR15/M4 20-Round Polymer Magazine is a battle-proven, lightweight, and highly reliable magazine designed for AR15/M4-compatible rifles chambered in 5.56×45 NATO / .223 Remington.

$14.99
Quantity
  • Made in Israel
  • Free shipping on orders over $150
  • Warranty

Shipping & returnsWarrantyState restrictions

State capacity restrictions apply

This magazine holds 20 rounds and cannot ship to CA, CO, CT, DE, DC, HI, IL, MA, MD, NJ, NY, OR, RI, VT, WA. Your bag checks the destination before checkout. State restrictions

Frequently bought together

Keep what you need — the total updates as you go.

Total for 4 items

$154.96

Description

The IMI Defense™ G1 AR15/M4 20-Round Polymer Magazine is a battle-proven, lightweight, and highly reliable magazine designed for AR15/M4-compatible rifles chambered in 5.56×45 NATO / .223 Remington. Constructed from durable high-end fiber-reinforced polymer, the G1 delivers dependable feeding performance and rugged durability for demanding shooting environments.

Built around proven magazine geometry, the G1 combines lightweight handling with strong structural integrity to ensure reliable operation during training, duty, defensive, or recreational use. Its reinforced polymer body and anti-tilt follower help maintain smooth, consistent cartridge feeding under heavy use and adverse conditions.

The compact 20-round configuration offers improved maneuverability and reduced overall rifle profile while maintaining a secure fit within Mil-Spec mag wells. The G1 is also compatible with AR18 magazine catch systems, increasing versatility across compatible rifle platforms.

Engineered for reliability and practical performance, the IMI Defense™ G1 20-Round Magazine is a durable and dependable choice for shooters seeking lightweight polymer magazines for modern sporting and tactical rifles.

Features & Benefits

  • Battle-proven reliable magazine design
  • Durable high-end fiber-reinforced polymer construction
  • Lightweight and impact-resistant design
  • Anti-tilt follower for reliable feeding performance
  • Compact 20-round capacity
  • Optimized fit for AR15/M4 mag wells
  • Compatible with AR18 magazine catch systems
  • Designed for 5.56 NATO / .223 Remington platforms
  • Durable construction for training, range, duty, and defensive use

Resources

Tech specs

Item IMI-ZMG02

Capacity20 rounds
MaterialPolymer
ColorBlack, Desert Tan
PlatformAR15/M16/M4
FitsAR15/M16/M4 (5.56×45 NATO / .223 Rem), ArmaLite AR-18 (AR18 magazine catch)
Weight3.17 oz
Dimensions (L × W × H)2.56 × 1.18 × 5.31 in

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