{"product_id":"luxus-arms-hm-defense-monobloc-ar-15-pistol-upper-12-5-in-5-56-nato-m-lok-free-float-125mbup556","title":"LUXUS ARMS (HM DEFENSE) MonoBloc AR-15 Pistol Upper 12.5 in 5.56 NATO M-LOK Free-Float 125MBUP556","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eThe LUXUS ARMS (HM DEFENSE) MonoBloc Upper is a complete AR-15 pistol upper engineered for shooters who want a compact, high-performance setup in .223 Remington and 5.56x45mm NATO. Built around a 12.50-inch 4150 chrome moly match grade barrel, this upper features a Black Cerakote finish, a 1:8 twist rate, and a carbine-length gas system with an integral machined patented gas block. The barrel is tripled honed and button rifled for enhanced consistency and performance.\u003c\/p\u003e\u003cp\u003eThis MonoBloc Upper pairs strength and precision with premium materials throughout. The receiver is made from 7075-T6 aluminum with a black anodized finish, while the 10.37-inch free-float handguard is machined from 6061-T6 aluminum and combines a full-length Picatinny top rail with Magpul M-LOK attachment slots for flexible accessory mounting. It also includes a patented HMB bolt, Mil-Spec components, charging handle, and a dust cover with an American Flag detail, making it a feature-rich complete upper for AR-15 pistol builds.\u003c\/p\u003e\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete AR-15 pistol upper chambered for .223 Remington and 5.56x45mm NATO\u003c\/li\u003e\n\u003cli\u003e12.50-inch 4150 chrome moly match grade barrel with Black Cerakote finish and 1:8 twist\u003c\/li\u003e\n\u003cli\u003eIntegral machined patented gas block with carbine gas system for a streamlined design\u003c\/li\u003e\n\u003cli\u003e10.37-inch free-float handguard with Picatinny rail and Magpul M-LOK compatibility\u003c\/li\u003e\n\u003cli\u003eIncludes patented HMB bolt, charging handle, Mil-Spec components, and American Flag dust cover\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e LUXUS ARMS (HM DEFENSE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 125MBUP556\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 854164007203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Complete upper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15 pistol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .223 Remington, 5.56x45mm NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSights:\u003c\/strong\u003e Optic ready\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 12.50 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Material:\u003c\/strong\u003e 4150 Chromoly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Description:\u003c\/strong\u003e Match grade, tripled honed, button rifled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Finish:\u003c\/strong\u003e Black Cerakote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Carbine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Block:\u003c\/strong\u003e Integral machined patented gas block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver Material:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver Finish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard Length:\u003c\/strong\u003e 10.37 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard Type:\u003c\/strong\u003e Free-float\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard Material:\u003c\/strong\u003e 6061-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard Features:\u003c\/strong\u003e Picatinny rail, Magpul M-LOK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard Finish:\u003c\/strong\u003e Black hard coat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Patented HMB bolt, charging handle, Mil-Spec components, dust cover with American Flag\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.\u003c\/em\u003e\u003c\/p\u003e","brand":"LUXUS ARMS (HM DEFENSE)","offers":[{"title":"Default Title","offer_id":44199316127866,"sku":"FLX-129382","price":749.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/a747b29898bd7fe41aa535ec199dae80.png?v=1788272819","url":"https:\/\/tlooutdoors.com\/products\/luxus-arms-hm-defense-monobloc-ar-15-pistol-upper-12-5-in-5-56-nato-m-lok-free-float-125mbup556","provider":"TLO Outdoors","version":"1.0","type":"link"}