M27 Infantry Automatic Rifle

Overview

M27 Infantry Automatic Rifle
General Information
Type	Infantry Automatic Rifle
Place of Origin	Germany
Designer Companies	Heckler & Koch
Period Designed	2008
Manufacturer	Heckler & Koch
Period Produced	2010 - Present
Number Built	4,153 (as of 2016)
Developed From	HK 416
In Service	2010 - Present
Characteristics
Cartridge	5.56x45mm
RoF, Cyclic	700 - 900rpm
Action	Gas-operated short-stroke piston, rotating bolt
Firemodes	Safe, semi, full
Feed System	Detachable box magazine
Ammunition Loading	5.56x45mm STANAG magazines: • USGI M16 Mag.: 20-rnd • USGI M16 Mag.: 30-rnd • (More)
Effective Range	600 - 700m
Maximum Range	3,601m
Dimensions
Weight	3.6kg (empty) 4.4kg (loaded)
Barrel Length	420mm
Length	840 - 940mm (adjustable stock)
Height	240mm
Width	79mm
Stock
Stock Type	Extendable
Universal Attachments
Rail Type	MIL-STD-1913 Picatinny Rail

The M27 Infantry Automatic Rifle (abbreviated as M27 IAR) is a infantry automatic rifle developed from the HK 416 in the late 2000s. The M27 was adopted in the USMC to replace some of the M249 Light Machine Gun.

Variants

M27 Infantry Automatic Rifle

Light support weapon.

M38 Designated Marksman Rifle

M27 fitted with the Leopold Mark 4 2.5-8x36 MR/T TS-30A2 riflescope.

West Germany Weapons Modern Period (1991 — Present)

Infantry Weapons
Melee Weapons	Bayonet	[[]]
	Survival Weapon	[[]]
Sidearms	Pistol	HK 45 (Compact • Compact Tactical • Tactical) • Mark 23 • P 8 • P 30 (L • SD • SK • SK S) • P 46 • P 80 • P 2000 • SFP (9 • 9 L • 9 L OR • 9 M • 9 Match OR • 9 OR • 9 SK • 40) • UCP • USP (9 • 9 Custom Sport • 9 Elite • 9 Expert • 40 • 40 Custom Sport • 40 Expert • 45 • 45 Custom Sport • 45 Elite • 45 Expert • 45 Tactical)
	Revolver	[[]]
	Machine Pistol	[[]]
Close Quarters	Personal Defense Weapon	MP7 (A1 • A2)
	Submachine Gun	HK PDW • MP 5 (A1 • A2 • A3 • A4 • A5) • MP 60 • MP 61 • MP 64 • UMP (9 • 40 • 45) • USC
	Shotgun (automatic)	[[]]
	Shotgun (semi-automatic)	[[]]
	Shotgun (manual-action)	HK FP6
Primary Weapons	Assault Rifle (5.45/5.56)	CR223 • HK 50 • HK 237 • HK 337 • HK 416 (A5 • A7 • A8) • HK 433 • HK 437 • G36 (A1 • A2) • XM8 • XM29
	Assault Rifle (other)	[[]]
	Assault Carbine (5.45/5.56)	HK 416C
	Assault Carbine (other)	[[]]
	Battle Rifles	HK 417 • G 3 (A1 • A2 • A3 • N A3 • A4 • A5 • A6 • A7 • A7 A1) • G 28
	Battle Carbine	[[]]
Automatic Support Weapons	Light Support Weapon	[[]]
	Light Machine Gun	HK GR6 (C • S) • HK GR9 (C • S) • HK MG 36
	General Purpose Machine Gun	HK 121 • HK 123 • MG 3 (A1) • MG 4 • MG 5 (A1)
	Heavy Machine Gun	[[]]
Long Range	Anti-Materiel Rifle	[[]]
	Bolt-Action Rifle	[[]]
	Designated Marksman Rifle	[[]]
Launchers	Grenade Launcher (Attachment)	[[]]
	Grenade Launcher (Standalone)	XM25
	Disposable Rocket Launcher	[[]]
	Rocket Launcher	[[]]
	MANPADS	[[]]
Non-Lethal Weapons	Pistol	[[]]
Underwater Weapons	Sidearm	P11
	Rifle	[[]]
Explosives	Anti-Personnel Mines	[[]]
	Anti-Tank Mines	[[]]
	Offensive Grenades	[[]]
	Smoke Grenades	[[]]

Infantry Equipment
Clothing	Backpacks	[[]]
	Body Armour	[[]]
	Bomb Suit	[[]]
	Elbow and knee pads	[[]]
	Signals & IFF	[[]]
	Suits	[[]]
	Vests & Webbing	[[]]
Headwear	Communication	[[]]
	Gas Masks & Rebreathers	[[]]
	Goggles	[[]]
	Helmets	[[]]
	Vehicle Headwear	[[]]
Optics, Detection and Surveillance	Man-Portable Radar	[[]]
	Mine Detectors	[[]]
	Night Vision Goggles	[[]]
	Periscopes	[[]]
	Rangefinders	[[]]
	Surveillance	[[]]

Artillery
Anti-Aircraft Guns	[[]]
Anti-Tank Guns	[[]]
Anti-Tank Guided Missile Launchers	[[]]
Anti-Tank Guided Missiles	[[]]
Grenade Machine Guns	[[]]
Howitzers	[[]]
Mortars	[[]]
Railroad Artillery	[[]]
Recoilless Guns	[[]]
Rocket Artillery	[[]]
Siege Artillery	[[]]

Land Vehicle Weapons
Vehicle Machine Guns	HK MG 5A1
40mm Tank Guns	[[]]
75mm Tank Guns	[[]]
76.2mm Tank Guns	[[]]
84mm Tank Guns	[[]]
94mm Tank Guns	[[]]
105mm Tank Guns	[[]]
120mm Tank Guns	[[]]
Howitzers	[[]]
Vehicle Autocannon	[[]]
ATGMs	[[]]

Aircraft Weapons & Munitions
7.62mm Machine Guns	[[]]
12.7mm Machine Guns	[[]]
23mm Cannons	[[]]
30mm Cannons	[[]]
37mm Cannons	[[]]
Rocket Pods	[[]]
Rockets	[[]]
Air-to-Air Missiles	[[]]
Air-to-Ship Missiles	[[]]
Air-to-Surface Missiles	[[]]
Anti-Radiation Missiles	[[]]
Cruise Missiles	[[]]
Bombs	[[]]

United States of America Weapons Modern Period (1991 — Present)

Infantry Equipment
Camouflage	Camouflage	ERDL • OD • MARPAT • UCP • Woodland
Clothing	Backpacks	[[]]
	Body Armour	[[]]
	Bomb Suit	[[]]
	Elbow and knee pads	[[]]
	Signals & IFF	[[]]
	Suits	[[]]
	Vests & Webbing	[[]]
Headwear	Communication	[[]]
	Gas Masks & Rebreathers	[[]]
	Goggles	[[]]
	Helmets	[[]]
	Vehicle Headwear	[[]]
Optics, Detection and Surveillance	Man-Portable Radar	[[]]
	Mine Detectors	[[]]
	Night Vision Goggles	[[]]
	Periscopes	[[]]
	Rangefinders	[[]]
	Surveillance	[[]]

Artillery
Anti-Aircraft Guns	[[]]
Anti-Tank Guns	[[]]
Field Guns	[[]]
Howitzers	[[]]
Infantry & Mountain Guns	[[]]
Mortars	81mm M252 • 107mm M30 • 120mm M121
Railroad Artillery	[[]]
Recoilless Guns	[[]]
Rocket Artillery	[[]]
Siege Artillery	[[]]

Land Vehicle Weapons
Machine Guns	5.56mm	M231 FPW
	7.62mm	[[]]
	12.7mm	[[]]
Autocannons	25mm	Bushmaster I M242
	30mm	Bushmaster II XM813 MK 44 MOD 0
	35mm	Bushmaster III
	40mm	Bushmaster IV XM812
	50mm	XM913
Cannons	105mm	M35 • M68 (A1 • E1) XM35 EX 35 MOD 0
	120mm	M256 (E1) XM256 • XM291 • XM360

Naval Weapons & Munitions
Autocannons	30mm	MK 44 MOD 0