{"id":95053,"date":"2018-07-31T15:26:30","date_gmt":"2018-07-31T19:26:30","guid":{"rendered":"https:\/\/www.gunsamerica.com\/blog\/?p=95053"},"modified":"2018-07-31T15:26:30","modified_gmt":"2023-08-31T15:44:20","slug":"cmmgs-new-banshee-in-5-7x28mm-takes-five-seven-mags","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/cmmgs-new-banshee-in-5-7x28mm-takes-five-seven-mags\/","title":{"rendered":"CMMG&#8217;s New Banshee in 5.7x28mm Takes Five-seveN Mags!"},"content":{"rendered":"<p>CMMG is rolling out a new pistol-caliber AR chambered for 5.7x28mm, the Mk57. The new 5.7mm guns are offered in pistol and NFA-regulated short-barreled rifle configurations and they use standard Five-seveN magazines.<\/p>\n<p>The company is bringing to market\u00a0<a href=\"https:\/\/www.cmmginc.com\/product\/rifle-mk57-banshee-5-5-7x28-nfa\/\" campaign=\"CMMGBansheeSBR\" target=\"_blank\" class=\"clickTracking\">one SBR<\/a> and<a href=\"https:\/\/\" campaign=\"CMMGBansheePistol\" target=\"_blank\" class=\"clickTracking\"> three pistols<\/a>, two with 5-inch barrels and one with an 8-inch barrel. The SBR comes with a CMMG RipStock installed while the pistols have a few different options.<\/p>\n<p>Depending on the model, the pistols come with a bare buffer assembly, a Gear Head Works <a href=\"https:\/\/www.gearheadworks.com\/index.php?main_page=product_info&amp;products_id=25\" target=\"_blank\" class=\"clickTracking\" campaign=\"cmmgs-new-banshee-in-5-7x28mm-takes-five-seven-mags\" title=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" target=\"_blank\" rel=\"noopener\">Tailhook Mod 2 brace<\/a> or <a href=\"https:\/\/www.kakindustry.com\/shockwave\" target=\"_blank\" class=\"clickTracking\" campaign=\"cmmgs-new-banshee-in-5-7x28mm-takes-five-seven-mags\" title=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" target=\"_blank\" rel=\"noopener\">Shockwave stabilizer<\/a>. All are offered in <a href=\"https:\/\/www.cmmginc.com\/cerakote\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"cmmgs-new-banshee-in-5-7x28mm-takes-five-seven-mags\" title=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" target=\"_blank\" rel=\"noopener\">11 different Cerakote finishes<\/a>. CMMG is delivering these Mk57s in an array of semi-custom colors in addition to the standard tactical trio of black, olive drab and flat dark earth.<\/p>\n<div id=\"attachment_95061\" style=\"width: 410px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-95061\" title=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" class=\"wp-image-95061 size-medium\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2018\/07\/mk57-cmmg-400x157.jpg\" alt=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" width=\"400\" height=\"157\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/mk57-cmmg-400x157.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/mk57-cmmg-150x59.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/mk57-cmmg-768x301.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/mk57-cmmg.jpg 920w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><p id=\"caption-attachment-95061\" class=\"wp-caption-text\">Depending on the model the Mk57 comes with a thread protector or A2-style flash hider. The have 1\/2&#215;28 threads for muzzle devices.<em> (Photo: CMMG)<\/em><\/p><\/div>\n<p>Depending on the configuration the Mk57 weighs in at just 4.6 to 5 pounds unloaded. Recoil won&#8217;t be an issue, either. Not only is 5.7x28mm a low-recoiling cartridge, the Mk57 uses a delayed-blowback operation to reduce reciprocating mass.<\/p>\n<p>&#8220;The 5.7 is an intriguing round that is perhaps best known for its relatively lightweight bullet design and impressive velocities,&#8221; said CMMG CEO Chris Reinkemeyer. &#8220;From an engineering perspective, we were excited to pair the 5.7 with our Radial Delayed Blowback system. I think it\u2019s safe to say that this combination makes the Mk57 one of the lightest recoiling pistol caliber carbines on the market.&#8221;<\/p>\n<p>The guns have ambidextrous controls including the selector, charging handle and sling plate. They also have M-Lok forends and Magpul pistol grips. The SBR comes with a Magpul foregrip as well.<\/p>\n<h2>See Also: <a href=\"https:\/\/www.gunsamerica.com\/blog\/cmmgs-banshee-pistols-and-sbrs-are-small-light-and-extra-quiet\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"cmmgs-new-banshee-in-5-7x28mm-takes-five-seven-mags\" title=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\">CMMG\u2019s Banshee Pistols and SBRs are Small, Light and Extra-Quiet<\/a><\/h2>\n<div id=\"attachment_95063\" style=\"width: 410px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-95063\" title=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" class=\"wp-image-95063 size-medium\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2018\/07\/color-spectrum-2-400x180.jpg\" alt=\"CMMG's New Banshee in 5.7x28mm Takes Five-seveN Mags!\" width=\"400\" height=\"180\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/color-spectrum-2-400x180.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/color-spectrum-2-150x67.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/color-spectrum-2-768x345.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/color-spectrum-2-1024x460.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2018\/07\/color-spectrum-2.jpg 1270w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><p id=\"caption-attachment-95063\" class=\"wp-caption-text\">CMMG&#8217;s 11 Cerakote finishes. <em>(Photo: CMMG)<\/em><\/p><\/div>\n<p>Each gun comes with one standard-capacity 20-round Five-seveN mag by ProMag. CMMG offers +10-round magazine extension kits as well for $17. The kits come with an enlarged baseplate and extended magazine spring.<\/p>\n<p>FN developed the 5.7x28mm cartridge for one of the first personal defense weapons to see wide success, the FN P90. FN developed the P90 as a compact alternative to rifles and carbines for security teams and vehicle crews, then produced the Five-seveN pistol to use the same cartridge.<\/p>\n<p>While the PDW concept would eventually take off with compact AR-pattern rifles chambered for 5.56 NATO and 300 AAC Blackout, 5.7x28mm earned its own solid following. With its low flash signature and recoil, 5.7x28mm is here to stay.<\/p>\n<p>CMMG is taking things full circle with the Mk57. By combining the PDW-optimized 5.7x28mm cartridge with AR features and handling, they&#8217;ve got a solid setup with their new series.<\/p>\n<h2 style=\"text-align: center\">***<a href=\"https:\/\/www.gunsamerica.com\/Search.aspx?Keyword=banshee\" campaign=\"CMMGBuyGA\" target=\"_blank\" class=\"clickTracking\">Shop for CMMG Firearms on GunsAmerica<\/a>***<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>The new 5.7mm guns are offered in pistol and NFA-regulated short-barreled rifle configurations and they use standard Five-seveN magazines.<\/p>\n","protected":false},"author":50,"featured_media":95062,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[25,111,461,240],"tags":[110,299,132,451,617,607,620],"featured":[],"hunt365":[],"class_list":{"0":"post-95053","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-current-events","8":"category-industry-news","9":"category-max-slowik","10":"category-this-week","11":"tag-accessories-2","12":"tag-ammo-2","13":"tag-buzz","14":"tag-cmmg","15":"tag-industry-news","16":"tag-news","17":"tag-tactical"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CMMG&#039;s New Banshee in 5.7x28mm Takes Five-seveN Mags!<\/title>\n<meta name=\"description\" content=\"The new 5.7mm 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