The M27 Infantry Automatic Rifle (IAR) is a 5.56mm, select-fire assault rifle / squad automatic weapon developed from the HK416 by Heckler & Koch.

The M27 IAR is a derivative of the German HK416 rifle, featuring a gas-operated short-stroke piston mechanism, which is known for its reliability and cleanliness compared to traditional direct impingement systems used in the M16 and M4. This design choice reduces the likelihood of malfunctions and allows for easier maintenance in the field.

Mar 14, 2021 · 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 is a...

Uncover the Heckler & Koch M27, the US Marine Corps chosen Infantry Automatic Rifle (IAR). Learn about its development, features, and capabilities, including its selective-fire operation, collapsible stock, and 5.56mm chambering.

Dec 28, 2018 · 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 (USMC) M27 "Infantry Automatic Rifle" (IAR).

Jun 1, 2012 · 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 is a gas-operated weapon which is based on the HK 416 assault rifle. It uses short-stroke gas piston that operates the 7-lug rotating bolt, and fires from closed bolt.

Mar 1, 2021 · Thanks in part to a redesigned action and free-floating barrel, the M27 not only boasts better accuracy than its two predecessors, but also has a farther effective firing range as well — it’s also the same rifle that was used to shoot Osama bin Laden.

Oct 29, 2024 · In this ultimate guide, we will explore over ten fascinating facts and features of the Heckler & Koch M27, shedding light on why it is a top-tier weapon system. 1. Origin and Development. 2. Modular Design. 3. Gas-Operated System. 4. Ambidextrous Controls. 5. Picatinny Rail System. 6. Ergonomic Stock. 7. Enhanced Barrel Life. 8.

The BFW M.27, sometimes known as the Messerschmitt M.27, was a German two-seat sports plane with a low, cantilever wing, open cockpits and a fixed undercarriage sold in small numbers at the start of the 1930s.