The M27 Infantry Automatic Rifle (IAR) is a 5.56mm, select-fire assault rifle / squad automatic weapon developed from the HK416 by Heckler & Koch. It is used by the United States Marine Corps (USMC) and was originally intended for automatic riflemen, [6] but now is issued to all infantry riflemen as a replacement for the M4 carbine.

M27 步兵自動步槍 （英語： M27 Infantry Automatic Rifle，簡稱：M27、IAR或M27 IAR，以下簡稱為M27 IAR）是一款5.56毫米口徑可切換射擊模式的突擊步槍，主要基於 德國 軍火製造商 黑克勒&科赫 所生產的 HK416 北約 5.56×45毫米 口徑 突擊步槍 的16.5英吋（419.1毫米）之重 槍管 版本，目前由 美國海軍陸戰隊 （英語： United States Marine Corps，簡稱：USMC）使用，主要用途在於增強全自動步槍手（英語：automatic rifleman）的機動性。

The M27-IAR can be fired fully automatically with a great deal of precision, bursting or tap firing will only be needed at the longest of ranges, where Marksman Rifles and Sniper Rifles will have the edge. The M27-IAR's handling characteristics are slightly above average for …

The M27 Infantry Automatic Rifle (IAR) is a lightweight, magazine-fed 5.56mm weapon used by the United States Marine Corps. It is intended to enhance an automatic rifleman's maneuverability and displacement speed, and it is based on the HK416. The U.S. Marine Corps is planning to purchase 6,500...

HK M27自动步枪（英语：HK M27 Infantry Automatic Rifle，简称：M27、IAR或M27 IAR，以下简称：M27 IAR）是美国海军陆战队（英语：United States Marine Corps，简称：USMC）对德国军火制造商黑克勒-科赫于2009年以HK416 5.56 × 45毫米北约口径突击步枪的16.5英寸（419.1毫 …

2018年12月28日 · Adopted by the U.S. Army and used by many other ground warfare forces of the world, the AR-15-based HK416 model automatic rifle from Heckler & Koch of Germany also forms the basis of the new United States Marine Corp's …

2012年6月1日 · The M27 has a three position fire selector; Safe, Fire, and Auto, with the traditional H&K pictograms for each. Controls are on both sides of the receiver. The pistol grip is very comfortable and has a polymer pebbled surface to enhance grip.

The M27 Infantry Automatic Rifle (IAR) is a 5.56mmx45mm rifle that used by United States Marine Corps (USMC) forces. The M27 will replace many of the M249 SAW belt-fed light machine guns currently employed at the squad level.

2021年3月14日 · More recently, however, the Marine Corps has gone all-in on more modern weaponry, opting to replace the venerable M16 rifle and M4 carbine with the new M27 Infantry Automatic Rifle. The IAR...

A variant of the Heckler & Koch HK416, the M27 Infantry Automatic Rifle (IAR) was selected by the U.S. Marine Corps in August 2011 in an innovative program to develop a highly accurate, lightweight, and more reliable alternative to currently