{"product_id":"phase-5-weapon-systems-cmsa-carbine-mini-stock-assembly-black-aluminum-for-ar-15-ar-10","title":"Phase 5 Weapon Systems CMSA Carbine Mini Stock Assembly Black Aluminum for AR-15\/AR-10","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003ePhase 5 Weapon Systems CMSA (Carbine Mini Stock Assembly)\u003c\/span\u003e\u003c\/strong\u003e is a compact, fixed-position \u003cstrong\u003estock kit\u003c\/strong\u003e engineered for \u003cstrong\u003eAR-15\u003c\/strong\u003e and \u003cstrong\u003eAR-10\u003c\/strong\u003e rifle platforms. This all-in-one assembly pairs Phase 5's \u003cstrong\u003eUniversal Mini Stock (UMS)\u003c\/strong\u003e with the proprietary \u003cstrong\u003eHexOne buffer tube\u003c\/strong\u003e, giving builders a complete drop-on solution for short-barreled rifle builds, AR-pistol configurations, and any application where a minimal footprint and a solid cheek weld are required.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe stock body is \u003cstrong\u003eCNC-machined from billet aluminum\u003c\/strong\u003e and finished in a durable \u003cstrong\u003eblack\u003c\/strong\u003e coating, keeping the assembly light without sacrificing rigidity. The included \u003cstrong\u003eHexOne buffer tube\u003c\/strong\u003e is compatible with \u003cstrong\u003eMil-Spec 6-position carbine receiver extensions\u003c\/strong\u003e, and the kit ships with the \u003cstrong\u003ecarbine buffer, buffer spring, and castle nut\u003c\/strong\u003e needed to complete installation right out of the box.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt around the standard carbine buffer pattern, the CMSA is well suited to common rifle cartridges including \u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e, \u003cstrong\u003e.300 Blackout\u003c\/strong\u003e, \u003cstrong\u003e7.62x39mm\u003c\/strong\u003e, and \u003cstrong\u003e.308 Winchester \/ 7.62x51mm NATO\u003c\/strong\u003e when paired with the appropriate AR-10 lower receiver. The fully assembled \u003cstrong\u003eoverall length is 7.75 inches\u003c\/strong\u003e and the complete assembly weighs \u003cstrong\u003e1.13 lbs\u003c\/strong\u003e, making it a smart choice for compact rifle and AR-pistol builds where saving space and shedding weight both matter.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCondition: New\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Phase 5 Weapon Systems","offers":[{"title":"Default Title","offer_id":55003171258690,"sku":"110504","price":107.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_fed7d816-529e-44ba-9cf2-0760edba179d.png?v=1784558838","url":"https:\/\/centerfiresystems.com\/products\/phase-5-weapon-systems-cmsa-carbine-mini-stock-assembly-black-aluminum-for-ar-15-ar-10","provider":"Centerfire Systems","version":"1.0","type":"link"}