HK M27步兵自動步槍
資料來源 > 註釋

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1 2 3 4 5  M27 First Impressions （页面存档备份，存于） - Thefirearmblog.com, 20 April 2013
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1 2 3 4 5 6  From BAR to IAR – How the Marines Finally Got Their Infantry Automatic Rifle （页面存档备份，存于） - SAdefensejournal.com, 20 November 2012
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1 2 3  IAR wins over skeptical Marine infantrymen （页面存档备份，存于） - MarineCorpstimes.com, 19 July 2011
↑  M249 Light Machine Gun: Endangered species for Marines in Afghanistan （页面存档备份，存于） - Dvidshub.net, November 12, 2012
↑  Sanborn, James K. . Marine Corps Times. Gannett Company. 2015-02-16  [2015-02-21]. （原始内容存档于2017-07-08）. A free floating barrel could improve the M16A4 from a 4.5 minute-of-impact rifle to a 2 MOI rifle, putting it on par with the M27 Infantry Automatic Rifle, which uses a free floating barrel, said Chief Warrant Officer 5 Vince Pope, the Marine gunner who directs the Marksmanship Doctrine and Programs Management Section at Quantico.
↑  Crane, David. . defensereview.com. 2009-12-04  [2010-08-20]. （原始内容存档于2012-07-29）.
1 2 3  Marines swap firepower for accuracy with IAR （页面存档备份，存于） - Marinecorpstimes.com, June 29, 2011
↑  M27 IAR （页面存档备份，存于） - Marinesmagazine.mil, May 16, 2012
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↑  Armatac SAW-MAG for USMC’s HK M27 IAR （页面存档备份，存于） - Defensereview.com, June 8, 2010
↑  Marine Corps bans popular rifle magazines （页面存档备份，存于） - Marinecorpstimes.com, November 26, 2012
↑  The Firearm Blog－USMC Bans All Polymer Magazines （页面存档备份，存于）, February 2, 2013
↑  The Firearm Blog－New Magpul PMAG 30 GEN M3 （页面存档备份，存于）, February 2, 2013
↑  Magpul speaks out on the Marine Corps polymer magazine ban （页面存档备份，存于） - Militarytimes Gearscout.com, November 30, 2012
↑  Army Round Triggers Problems in Marine M27 Auto Rifle （页面存档备份，存于） - Military.com, 20 December 2016
↑  Marines to Get PMAG to Fix M27 Woes with M855A1 Round （页面存档备份，存于） - Kitup.Military.com, 20 December 2016
↑  Breakdown: M27 IAR vs. HK416 （页面存档备份，存于） - Militarytimes.com/Gearscout, October 24, 2011
↑  . Guns.com. 2020-02-26  [2020-02-26]. （原始内容存档于2020-02-26） （美国英语）.
↑  The U.S. Marine Corps’ New M27 IAR （页面存档备份，存于） - SAdefensejournal.com, September 10, 2012
↑  USMC Fields Heckler & Koch M27 as M38 Designated Marksman Rifle （页面存档备份，存于） - Thefirearmblog.com, 29 December 2017
↑  The Corps is on track to fully field the M38 marksman rifle, despite setbacks for the M27 IAR （页面存档备份，存于）. Marine Corps Times. 27 April 2018.