{"product_id":"sig-sauer-mcx-spear-lt-complete-upper-receiver-223-remington-5-56-nato-11-5-threaded-barrel-1-2x28-thread-pitch-fits-ar-15-lower-receivers-anodized-finish-black-includes-charging-handle-and-bolt-carrier-group-3-prong-sig-suppr","title":"Sig Sauer MCX-Spear LT |  Complete Upper Receiver |  .223 Remington\/5.56 NATO |  11.5\" Threaded Barrel |  1\/2X28 Thread Pitch |  Fits AR-15 Lower Receivers |  Anodized Finish |  Black |  Includes Charging Handle and Bolt Carrier Group |  3-Prong\/SIG Suppr","description":"The MCX-SPEAR LT, developed for the SF community, is the most advanced platform of its kind. Convert any M4\/AR15 platform into a modernized folding firearm with superior reliability, durability, and accuracy. This item includes a complete 11.5\"\" 5.56 NATO upper assembly. It features a removable 3-prong flash hider ready to accept a SIG SLH\/SLX suppressor. It also includes a receiver extension delete stock adapter so you may mount any folding or static stock or brace that uses a vertical 1913 rail system.\n\nKEY FEATURES:\nAdapts with Any M4\/AR15 Spec Lower Assembly | Dual Rod Recoil Assembly Eliminates Buffer System | Adjustable Gas System | Quick Change Barrel Design | Ambidextrous Charging Handle with Gas Deflector | Tapered Bolt Design | Compatible with SLX\/SLH Suppressors | M4 Adapter Allows for Picatinny Rail Folding Stock Capabilities","brand":"Sig Sauer","offers":[{"title":"Black \/ AR Rifles \/ Anodized","offer_id":50519102259414,"sku":"UAMCX-556N-11B-LT-BK","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/0635\/5980\/files\/SGUAMCX-556N-11B-LTBLK_1.jpg?v=1790085238","url":"https:\/\/www.atomicdefense.com\/products\/sig-sauer-mcx-spear-lt-complete-upper-receiver-223-remington-5-56-nato-11-5-threaded-barrel-1-2x28-thread-pitch-fits-ar-15-lower-receivers-anodized-finish-black-includes-charging-handle-and-bolt-carrier-group-3-prong-sig-suppr","provider":"Atomic Defense","version":"1.0","type":"link"}