{"id":23372,"date":"2019-04-02T20:55:23","date_gmt":"2019-04-02T20:55:23","guid":{"rendered":"https:\/\/one.sightlinemg.com\/marinecorpstimes\/uncategorized\/2019\/04\/02\/ammo-for-the-marine-corps-50-caliber-is-getting-a-whole-lot-lighter\/"},"modified":"2026-08-08T20:25:05","modified_gmt":"2026-08-08T20:25:05","slug":"ammo-for-the-marine-corps-50-caliber-is-getting-a-whole-lot-lighter","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/marinecorpstimes\/news\/your-marine-corps\/2019\/04\/02\/ammo-for-the-marine-corps-50-caliber-is-getting-a-whole-lot-lighter\/","title":{"rendered":"Ammo for the Marine Corps .50 caliber is getting a whole lot lighter"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">One of the first polymer case ammunition rounds for wide production in the Marine Corps will be for its heavy duty machine gun, the venerable M2 .50 caliber Browning Machine Gun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Marine Corps recently announced its intent to sole source a company to build polymer casings for .50 caliber ammunition, the largest direct fire, bullet projectile in the ground combat arsenal and a mainstay of <a href=\"https:\/\/www.marinecorpstimes.com\/news\/your-marine-corps\/2019\/01\/24\/this-50-round-drum-magazine-for-762mm-could-lighten-the-load-for-machine-gunners\/\" target=_blank>machine gunning<\/a> for nearly a century.<\/p>\n\n\n\t<aside class=\"smg-interstitial-link wp-block-smg-interstitial-link\">\n\t\t<a href=\"https:\/\/one.sightlinemg.com\/marinecorpstimes\/news\/your-marine-corps\/2018\/05\/07\/this-move-could-shave-20-pounds-off-a-belt-of-50-cal-ammo\/\" class=\"smg-interstitial-link__inner\">\n\t\t\t\t\t\t\t<div class=\"smg-interstitial-link__media\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"157\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/DOD_50-caliber-ammunition-loaded-onto-machinegun_cal0518.jpg.jpg?w=300\" class=\"smg-interstitial-link__image wp-post-image\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"smg-interstitial-link__content\">\n\t\t\t\t<span class=\"smg-interstitial-link__kicker\">Related<\/span>\n\t\t\t\t<h3 class=\"smg-interstitial-link__title\">This move could shave 20 pounds off a belt of .50-cal ammo<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">Your next belt of .50-caliber ammunition could weigh 10 to 20 pounds less than it does now.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/a>\n\t<\/aside>\n\t\n\n\n<p class=\"wp-block-paragraph\">MAC LLC, a company out of Bay Saint Louis, Mississippi, is the company that will likely receive the sole source contract unless another company can show they meet the requirements and can do a better job before the federal deadline in a couple of weeks to deliver an estimated quantity of 2.4 million cartridges for the Corps over three years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It will be producing both ball and armor-piercing rounds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The weight savings sought by the Corps aims to cut 20 pounds off of the current weight of a can of .50 caliber ammunition, or a cut of up to one-third of the existing load.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Marine Corps Systems Command posted the request in April 2018 and awarded this contract this April 1, according to a posting on <a href=\"https:\/\/www.fbo.gov\/index.php?s=opportunity&#038;mode=form&#038;id=e1c0003396202082e3b9a46dba4f2791&#038;tab=core\" target=_blank>fbo.gov<\/a>, a federal government business website.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A belt of 100 lightweight .50-caliber cartridges with 101 links will have to see a 15 to 30 percent weight reduction under the Corps\u2019 requirements listing.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"\/wp-content\/uploads\/2026\/08\/DOD_50-caliber-ammo-in-box_cal0518.jpg.jpg\" alt=\"\" class=\"wp-image-42137\" srcset=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/DOD_50-caliber-ammo-in-box_cal0518.jpg.jpg 1200w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/DOD_50-caliber-ammo-in-box_cal0518.jpg.jpg?resize=300,200 300w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/DOD_50-caliber-ammo-in-box_cal0518.jpg.jpg?resize=768,512 768w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/DOD_50-caliber-ammo-in-box_cal0518.jpg.jpg?resize=1024,683 1024w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">U.S. Marines with Regimental Surveillance and Target Acquisition Company use .50 caliber ammunition to fire the .50 caliber sniper rifle during RSTAC live fire training at Fort Irwin, California. If the Corps gets what it wants, this ammo could look a lot different \u2014 and come in a lot lighter. (U.S. Marine Corps photo by Lance Cpl. Alexa M. Hernandez)<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">And no performance can be sacrificed \u2014 the new cartridge must meet the same ballistics requirements and lethality of the M33 projectile in service now.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Polymer is the new steel in many of weapons accessories and ammo casings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Corps authorized the use of polymer magazines for the M27 Infantry Automatic Rifle in recent years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An ongoing Army program to build the Next Generation Squad Automatic Rifle, a parallel project to replace both the M4\/M16 carbine\/rifle and the Squad Automatic Weapon, is taking on submissions with polymer cased-telescoped ammunition.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One such version is the <a href=\"https:\/\/investor.textron.com\/news\/news-releases\/press-release-details\/2019\/Textron-Systems-Delivers-Next-Generation-Squad-Weapon-Technology-Demonstrator\/default.aspx\" target=_blank>Textron Systems<\/a> offering. Textron has spent years building a polymer-cased ammunition and essentially redesigned a weapon system around the new round.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">All of these are part of larger efforts across the services to lighten the load with new materials, designs and configuration of everything from body armor to weapons systems and ammunition.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The company could deliver more than 2 million rounds in both ball and armor piercing over a three-year contract.<\/p>\n","protected":false},"author":7,"featured_media":50082,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":69,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":{"2":{"categories":["ammo","gearscout","off-duty","your-military","news","left-column","home","middle-column"],"primary_category":"your-military"}}},"categories":[101,12,25,69],"tags":[],"coauthors":[3396],"class_list":["post-23372","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-news-roundup","category-news","category-newsletters","category-your-marine-corps"],"acf":{"subheadline":"","legacy_arc_id":"ZLE7OS4QDFBSBK65EMGPRSZMDE","arc_canonical_url":"\/news\/your-marine-corps\/2019\/04\/02\/ammo-for-the-marine-corps-50-caliber-is-getting-a-whole-lot-lighter\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented By:"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v28.1) - 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