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M27 IAR
IN PRODUCTION
Quick Overview
Manufacturer
Origin
Production
2010 - Present
Caliber
Overview
The M27 Infantry Automatic Rifle (IAR) is a U.S. Marine Corps squad automatic weapon based on the Heckler & Koch HK416. Chambered in 5.56×45mm NATO, it is designed to provide accurate sustained fire from a magazine-fed platform rather than a belt-fed machine gun.
Calibers & Ammunition
Dimensions
Overall Length
940mm (37 in) stock extended
Barrel Length
420mm (16.5 in) heavy profile
Weight
3.6 kg (7.9 lb) empty
Mechanical
Action Type
Gas-operated, short-stroke piston, rotating bolt
Trigger Type
Selective fire (safe, semi, full auto)
Sights Type
Adjustable iron sights, full-length Picatinny rail
Magazine Capacity
30-round STANAG magazine standard
Additional Information
stock
6-position collapsible
action
Gas-operated, short-stroke piston, rotating bolt
barrel
Heavy profile, free-floating, quick-change capable
weight
3.6 kg (7.9 lb) empty
feed_system
STANAG magazines (30 rounds standard)
rate_of_fire
700-850 rpm
How does the M27 IAR compare?
Pick any other firearm for a side-by-side spec breakdown.