{"id":111152,"date":"2019-06-10T15:56:04","date_gmt":"2019-06-10T19:56:04","guid":{"rendered":"https:\/\/www.gunsamerica.com\/digest\/?p=111152"},"modified":"2019-06-10T15:56:04","modified_gmt":"2023-09-05T23:28:46","slug":"us-army-high-velocity-machine-gun","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/us-army-high-velocity-machine-gun\/","title":{"rendered":"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"600\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/machinegun.gif\" alt=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" class=\"wp-image-111154\" \/><figcaption><em>The machine gun is designed to be compact and lightweight like the FN P90 (shown here) while achieving muzzle velocities that rival the full-sized M4.<\/em><\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>The United States Army is reportedly developing a new machine gun capable of withstanding higher chamber pressures and allowing for rifle-like bullet velocities out of firearms both lighter and shorter than the M4. &nbsp;<\/p>\n\n\n\n<p>The firearm will use a new breech and bolt design that allows the action to cycle even under extremely high chamber pressures. This added pressure will, in turn, allow projectile velocities to increase, improving terminal ballistics even in compact, short-barreled weapons. In one test, Army researchers achieved a muzzle velocity of 2,900 feet-per-second from a 10-inch barrel using a cartridge holding only 15 grains of powder. For context, most rifles with 10-inch barrels can only push a 5.56 NATO round 2,500 fps, which <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.gunsamerica.com\/gunfight-science-5-56-nato-dumb\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" target=\"_blank\">limits the round\u2019s effectiveness<\/a>. <\/p>\n\n\n\n<p>\u201cThe goal is to get rifle-like velocities out of a very small weapon that is high capacity, that\u2019s either adaptable for room-clearing or confined spaces,\u201d Zac Wingard, a mechanical engineer at the Combat Capabilities Development Command\u2019s&nbsp;<a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.arl.army.mil\/www\/default.cfm\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" target=\"_blank\">Army Research Laboratory<\/a>, told <a href=\"https:\/\/techlinkcenter.org\/us-army-researchers-are-turning-it-up-to-11-to-make-hypervelocity-firearms\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">TechLink<\/a>. \u201cLike you\u2019re getting in and out of vehicles or a subterranean environment, but also applicable for remotely operated systems, so think like perimeter security or ground robot or even a drone.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SEE ALSO: <a href=\"https:\/\/www.gunsamerica.com\/army-sub-compact-weapon-system\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\">The Army Selects B&amp;T for Its Sub Compact Weapon System<\/a> <\/h2>\n\n\n\n<p>The Army is hoping the technologies can be developed for use\nboth in small, lightweight firearms like the FN P90 and in full-size sniper\nrifles and belt-fed machineguns. The breech and bolt design would make smaller\nfirearms more effective and would substantially increase the muzzle velocities\nof larger firearms. <\/p>\n\n\n\n<p>According to TechLink, the U.S. Army\u2019s new 24-inch prototype\nbarrel produced&nbsp;muzzle velocities\nof 4,600 to 5,750 feet per second. The combustion chamber pressure was\nincreased from 65 ksi to 100 ksi (100,000 pounds per square inch), almost\ndouble the pressure seen in the M4 carbine.<\/p>\n\n\n\n<p>\u201cThe powder used now in most ammunitions can be tweaked, so\nit runs at a higher pressure, but the guns can\u2019t handle it,\u201d Alex Michlin, the\nArmy research engineer who invented the new design, told TechLink. \u201cThat\u2019s why\nwe designed the new breech, so we can take existing propellant and turn the\nknob all the way up to 11.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SEE ALSO: <a href=\"https:\/\/www.gunsamerica.com\/army-war-big-six\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\">The Army is Gearing Up for a Large-Scale War with Its \u2018Big Six\u2019<\/a> <\/h2>\n\n\n\n<p>To accommodate these higher pressures, Michlin developed <a rel=\"noreferrer noopener\" aria-label=\"a bolt that screws into the barrel breech (opens in a new tab)\" href=\"https:\/\/techlinkcenter.org\/wp-content\/uploads\/2019\/06\/army-breech-assembly.pdf\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" target=\"_blank\">a bolt that screws into the barrel breech<\/a>. He also developed <a href=\"https:\/\/techlinkcenter.org\/wp-content\/uploads\/2019\/06\/US20190017764A1.pdf\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"a collet that surrounds the cartridge (opens in a new tab)\">a collet that surrounds the cartridge<\/a> while it\u2019s seated in the chamber, which allows the spent casing to be extracted after firing. The tapered wedges, according to TechLink, reduce extraction forces by 50%, leaving more energy for cycling the bolt.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"914\" height=\"410\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/New-rifle-1.png\" alt=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" class=\"wp-image-111156\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/New-rifle-1.png 914w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/New-rifle-1-150x67.png 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/New-rifle-1-400x179.png 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/New-rifle-1-768x345.png 768w\" sizes=\"(max-width: 914px) 100vw, 914px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"387\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/new-rifle-2.jpg\" alt=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" class=\"wp-image-111157\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/new-rifle-2.jpg 687w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/new-rifle-2-150x84.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/06\/new-rifle-2-400x225.jpg 400w\" sizes=\"(max-width: 687px) 100vw, 687px\" \/><figcaption><em>Photo: TechLink\/ Zac Wingard\/ARL <\/em><\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Velocity matters because, as Clay Martin outlined in a <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.gunsamerica.com\/gunfight-science-5-56-nato-dumb\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"us-army-high-velocity-machine-gun\" title=\"US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun\" target=\"_blank\">2016 article<\/a>, short-barreled rifles chambered in 5.56 struggle to push rounds fast enough (around 2,700 fps) to turn the .22-caliber projectile into a \u201ctissue blender.\u201d If researchers can increase velocities, infantrymen can enjoy the benefits of small calibers like the 5.56 without having to carry rifles with 16+-inch barrels. \u00a0\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-align:center\">***<a href=\"https:\/\/gunsamerica.com\/\" campaign=\"BuySellGA_Register\" target=\"_blank\" class=\"clickTracking\">Buy and Sell on GunsAmerica!<\/a>***<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>The United States Army is reportedly developing a new carbine capable of withstanding higher chamber pressures and allowing for rifle-like bullet velocities out of firearms both lighter and shorter than the M4.  <\/p>\n","protected":false},"author":54,"featured_media":111154,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[7,593,243,240],"tags":[132,335,607],"featured":[],"hunt365":[],"class_list":{"0":"post-111152","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-gunsamerica-authors","8":"category-jordan-michaels","9":"category-military","10":"category-this-week","11":"tag-buzz","12":"tag-military","13":"tag-news"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>US Army Researchers Developing New Ultra-Light-Weight, High-Velocity Machine Gun<\/title>\n<meta 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With family in Canada, he's seen first hand how quickly the right to self-defense can be stripped from law-abiding citizens. He escaped that statist paradise at a young age, married a sixth-generation Texan, and currently lives in Tyler. Got a hot tip? 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