{"product_id":"cmmg-banshee-5-7x28mm-5-complete-upper-armor-black-cerakote","title":"CMMG Banshee 5.7x28mm 5\" Complete Upper - Armor Black Cerakote","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eCMMG Banshee\u003c\/strong\u003e\u003c\/span\u003e complete upper receiver group brings the compact, fast-handling ergonomics of CMMG's \u003cstrong\u003eMk57\u003c\/strong\u003e platform to your existing AR-platform lower. Chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e5.7x28mm\u003c\/strong\u003e\u003c\/span\u003e, this upper is purpose-built around a flat-shooting cartridge with minimal recoil, making it an ideal foundation for a personal-defense pistol, truck gun, or compact short-barrel rifle build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt the core of the upper is a \u003cstrong\u003e5\" barrel\u003c\/strong\u003e backed by a \u003cstrong\u003e1:9\" twist\u003c\/strong\u003e, well-suited for the full range of available 5.7x28mm projectiles. The receiver is CNC-machined from \u003cstrong\u003ebillet 6061-T6 aluminum\u003c\/strong\u003e and finished in \u003cstrong\u003eArmor Black Cerakote\u003c\/strong\u003e for a durable, low-visibility surface. An \u003cstrong\u003eM-LOK free-float handguard\u003c\/strong\u003e in matching Armor Black keeps the barrel fully floated for repeatable accuracy while providing ample accessory mounting space along the ventilated rail.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Banshee upper is engineered around CMMG's Mk57 architecture and accepts standard \u003cstrong\u003eFN Five-seveN-pattern\u003c\/strong\u003e 5.7x28mm magazines, giving builders a familiar AR-platform manual of arms with broad ammunition availability. Drop it onto a mil-spec lower, pair it with your preferred brace or stock, and you have a compact, hard-hitting PDW ready for the range or the field.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":55010570174786,"sku":"156343","price":844.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_d64818b5-0229-4914-83a7-df4aa4062cee.png?v=1784615851","url":"https:\/\/centerfiresystems.com\/products\/cmmg-banshee-5-7x28mm-5-complete-upper-armor-black-cerakote","provider":"Centerfire Systems","version":"1.0","type":"link"}