What is the feed type for M4/M16?

What is the feed type for M4/M16?

• A. Belt feed
• B. 20 or 30 round staggered box magazine
• C. Single-shot fix
• D. Rotating drum

Answer: (B)

Feed for the M4 and M16 is through a detachable box magazine that slides into the magazine well. These rifles are designed to be fed from top-loading magazines, with the most common configurations being 30-round magazines, though 20-round versions are also used. The staggered box design lets more rounds fit in a curved magazine while ensuring reliable feeding of the 5.56×45mm cartridge. This is different from belt-fed systems used on machine guns, or single-shot fixed feeds found on bolt-action rifles, and far from drum-fed magazines. The key point is that the standard feed is a detachable box magazine, most often 20 or 30 rounds, inserted into the rifle.

Feed for the M4 and M16 is through a detachable box magazine that slides into the magazine well. These rifles are designed to be fed from top-loading magazines, with the most common configurations being 30-round magazines, though 20-round versions are also used. The staggered box design lets more rounds fit in a curved magazine while ensuring reliable feeding of the 5.56×45mm cartridge. This is different from belt-fed systems used on machine guns, or single-shot fixed feeds found on bolt-action rifles, and far from drum-fed magazines. The key point is that the standard feed is a detachable box magazine, most often 20 or 30 rounds, inserted into the rifle.