Duramag 5.56 NATO/300 BLK Aluminum Magazine - 20 Rd

Duramag 5.56 NATO/300 BLK Aluminum Magazine - 20 Rd

Experience reliability you can feel with the DURAMAG 20‑Round Aluminum Magazine—engineered for shooters who demand flawless performance every time they load up. Built from rugged 6061‑T6 aluminum and finished with a true Type‑III hard‑coat anodizing, this magazine delivers the strength of metal without the weight or swelling issues of polymer. Whether you're running 5.56 NATO, .223 Remington, or 300 Blackout, DURAMAG’s precision construction ensures smooth feeding, consistent durability, and dependable function in any environment.

Trusted by law enforcement, military units, and serious shooters worldwide, DURAMAG Speed magazines are designed to outperform standard USGI mags with advanced manufacturing, robotic welding, and an EverFlex anti‑fatigue spring that maintains tension even during long‑term loaded storage. This is the magazine built to last, built to feed, and built to perform—every single time.

Durable Aluminum Construction
Made from 6061‑T6 aluminum for superior strength without added weight.

True Hard‑Coat Anodized Finish
Type‑III anodizing bonds color into the metal for long‑lasting wear resistance.

Multi‑Caliber Compatibility
Optimized for .223 Remington, 5.56 NATO, and 300 Blackout platforms.

EverFlex Anti‑Fatigue Spring
Maintains consistent tension for reliable feeding, even after extended loaded storage.

Anti‑Tilt Follower
Ensures smooth, dependable cycling and reduces the risk of feeding issues.

Lightweight, Battle‑Proven Design
Trusted by OEMs, law enforcement, and military units worldwide.

Precision Manufacturing
Progressive die tooling and robotic welding deliver unmatched consistency from mag to mag.

Specifications

• Caliber Compatibility: .223 Remington / 5.56 NATO / 300 Blackout
• Capacity: 20 rounds
• Body Material: 6061‑T6 aluminum
• Finish: Type‑III hard‑coat anodized
• Follower Type: Black anti‑tilt AGF follower
• Spring: EverFlex anti‑fatigue steel spring
• Platform Fit: AR‑15 pattern rifles
• Design: USGI‑improved DURAMAG Speed construction
• Storage Safety: Rated for long‑term loaded storage without swelling or flexing