The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle.

2021年12月22日 · Simply put, the difference between the two is the M4 has either a full-auto or burst fire mode while the AR-15 does not. There are also minor differences such as barrel length and attachments, but these do not fundamentally affect the rifle.

2023年9月29日 · The M4 carbine is arguably the best all-around fighting rifle ever made, so here we’re looking at exactly how it came to be. Officially adopted in 1994, the M4 carbine has only been gaining steam on the global stage ever since.

The M4-series Carbine achieves over 80% commonality with the M16A2 Rifle and replaces all M3 .45 caliber submachine guns, and selected M9 pistols and M16 rifles.

2024年10月22日 · The M4, like its parent AR-15/M16, is a lightweight, gas-operated, detachable box magazine-fed, air-cooled, select fire carbine chambered in 5.56x45mm NATO. As such, it has most of the features of an AR-pattern firearm: an internal piston (direct impingement but not exactly), a rotating bolt, a reciprocating bolt carrier, and a two-part ...

2024年4月30日 · The military M4 rifle is a lightweight, gas-operated, air-cooled, magazine-fed, selective-fire carbine. It’s a direct descendant of the M16 rifle and has become a staple weapon for the United States Armed Forces and many other military and law enforcement organizations worldwide, prized for its versatility, maneuverability, and effective ...

2024年11月5日 · The M4 military, formally known as the M4 carbine, is a lightweight, air-cooled, gas-operated, magazine-fed, selective-fire carbine designed and manufactured for the United States military.

Amazon.com: Apple 2025 MacBook Air 13-inch Laptop with M4 chip: Built for Apple Intelligence, 13.6-inch Liquid Retina Display, 16GB Unified Memory, 256GB SSD Storage, 12MP Center Stage Camera, Touch ID; Sky Blue : Electronics

2025年3月5日 · All MacBook Air M4 Colors. The new Sky Blue hue joins the already existing Silver, Starlight (rosé gold), and Midnight options. That means there are now four paint jobs available for the MacBook Air.

2025年3月19日 · As for specs, the most important changes on the new MacBook Air are the new M4 chip with a 10-core CPU and a 10-core GPU (the 13-inch version starts with an 8-core GPU), 16GB of starting memory ...