{"product_id":"custom-precision-ar-15-upper","title":"Precision AR-15 Upper Custom Order Form","description":"\u003cp data-start=\"277\" data-end=\"585\"\u003eOur \u003cstrong data-start=\"281\" data-end=\"304\"\u003ePrecision Upper Kit\u003c\/strong\u003e is built around components we personally use and trust—selected through real-world shooting, match experience, and hands-on testing. This kit is not intended to be the only answer for precision gas guns, but rather a proven option focused on consistency, compatibility, and value.\u003c\/p\u003e \u003ch3 data-start=\"587\" data-end=\"607\"\u003eUpper Receiver\u003c\/h3\u003e \u003cp data-start=\"608\" data-end=\"1008\"\u003eEach kit starts with a \u003cstrong data-start=\"631\" data-end=\"667\"\u003eBCM cosmetic blem upper receiver\u003c\/strong\u003e. These receivers are fully in-spec and functionally identical to non-blem units, with only minor cosmetic imperfections. BCM uppers were selected for their \u003cstrong data-start=\"824\" data-end=\"859\"\u003ethermal interference barrel fit\u003c\/strong\u003e, which has consistently delivered excellent accuracy in our personal builds—at a price point that allows us to pass real savings on to the customer.\u003c\/p\u003e \u003ch3 data-start=\"1010\" data-end=\"1023\"\u003eBarrels\u003c\/h3\u003e \u003cp data-start=\"1024\" data-end=\"1172\"\u003eAfter testing barrels from multiple manufacturers, we’ve had outstanding results with \u003cstrong data-start=\"1110\" data-end=\"1123\"\u003eShaw HBAR\u003c\/strong\u003e and \u003cstrong data-start=\"1128\" data-end=\"1151\"\u003eSOLGW Precision SPR\u003c\/strong\u003e stainless barrels.\u003c\/p\u003e \u003cul data-start=\"1173\" data-end=\"1409\"\u003e \u003cli data-start=\"1173\" data-end=\"1279\"\u003e \u003cp data-start=\"1175\" data-end=\"1279\"\u003e\u003cstrong data-start=\"1175\" data-end=\"1188\"\u003eShaw HBAR\u003c\/strong\u003e barrels follow a traditional heavy profile commonly seen in precision-oriented gas guns.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1280\" data-end=\"1409\"\u003e \u003cp data-start=\"1282\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1282\" data-end=\"1305\"\u003eSOLGW Precision SPR\u003c\/strong\u003e barrels run slightly heavier than a standard HBAR, offering increased rigidity and thermal stability.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"1411\" data-end=\"1698\"\u003eThese stainless barrels are designed for accuracy and consistency, not sustained high-heat or full-auto firing. If your application prioritizes prolonged strings of fire or duty\/combat use, we recommend a chrome-lined barrel, with the understanding that some accuracy tradeoff may occur.\u003c\/p\u003e \u003ch3 data-start=\"1700\" data-end=\"1716\"\u003eHandguards\u003c\/h3\u003e \u003cp data-start=\"1717\" data-end=\"1804\"\u003eHandguards were chosen based on stiffness, deflection under load, and real match use:\u003c\/p\u003e \u003cul data-start=\"1805\" data-end=\"2501\"\u003e \u003cli data-start=\"1805\" data-end=\"2025\"\u003e \u003cp data-start=\"1807\" data-end=\"2025\"\u003e\u003cstrong data-start=\"1807\" data-end=\"1829\"\u003eGeissele MK4 \u0026amp; MK8\u003c\/strong\u003e – Excellent rigidity with minimal deflection when loading a bipod. The MK4 is recommended for picatinny-mounted bipods due to its integrated front rail section, eliminating a common flex point.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2026\" data-end=\"2238\"\u003e \u003cp data-start=\"2028\" data-end=\"2238\"\u003e\u003cstrong data-start=\"2028\" data-end=\"2045\"\u003eGeissele MK16\u003c\/strong\u003e – Known for its use on the URG-I. Its slimmer profile results in slightly more deflection under bipod load but offers superior ergonomics for LPVO rifles that are primarily shot unsupported.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2239\" data-end=\"2501\"\u003e \u003cp data-start=\"2241\" data-end=\"2501\"\u003e\u003cstrong data-start=\"2241\" data-end=\"2289\"\u003eRipcord Industries Full \u0026amp; Partial ARCA Rails\u003c\/strong\u003e – The stiffest handguards we’ve personally used. Heavier by design and extremely rigid, these rails require a thermal interference fit to the barrel nut and are ideal for shooters prioritizing maximum stability.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"2503\" data-end=\"2557\"\u003eBolt Carrier Group, Gas System \u0026amp; Charging Handle\u003c\/h3\u003e \u003cp data-start=\"2558\" data-end=\"2645\"\u003eUnless an upgrade is selected, this upper ships with proven, duty-grade BCM components:\u003c\/p\u003e \u003cul data-start=\"2646\" data-end=\"2790\"\u003e \u003cli data-start=\"2646\" data-end=\"2716\"\u003e \u003cp data-start=\"2648\" data-end=\"2716\"\u003e\u003cstrong data-start=\"2648\" data-end=\"2674\"\u003eBCM Bolt Carrier Group\u003c\/strong\u003e with a \u003cstrong data-start=\"2682\" data-end=\"2714\"\u003estandard .223\/5.56 bolt face\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2717\" data-end=\"2750\"\u003e \u003cp data-start=\"2719\" data-end=\"2750\"\u003e\u003cstrong data-start=\"2719\" data-end=\"2748\"\u003eBCM low-profile gas block\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2751\" data-end=\"2790\"\u003e \u003cp data-start=\"2753\" data-end=\"2790\"\u003e\u003cstrong data-start=\"2753\" data-end=\"2790\"\u003eStandard mil-spec charging handle\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"2792\" data-end=\"3272\"\u003eFor \u003cstrong data-start=\"2796\" data-end=\"2818\"\u003e6mm ARC and 22 ARC\u003c\/strong\u003e, we \u003cstrong data-start=\"2823\" data-end=\"2857\"\u003estrongly recommend the JP bolt\u003c\/strong\u003e due to improved durability and consistency in these higher-performance cartridges.\u003cbr data-start=\"2940\" data-end=\"2943\"\u003eThe \u003cstrong data-start=\"2947\" data-end=\"2988\"\u003eSuperlative Arms adjustable gas block\u003c\/strong\u003e is our preferred solution on nearly all builds, particularly for suppressed use. While not strictly required if you plan to tune buffer weights and springs, it offers the smoothest operating system we’ve found—and for suppressed 6mm ARC builds, we consider it close to a requirement.\u003c\/p\u003e \u003ch3 data-start=\"3274\" data-end=\"3316\"\u003eShop Assembly \u0026amp; Accuracy Test Option\u003c\/h3\u003e \u003cp data-start=\"3317\" data-end=\"3487\"\u003eFor customers who don’t have the tools, time, or desire to assemble an upper, we offer a \u003cstrong data-start=\"3406\" data-end=\"3443\"\u003eprofessional shop assembly option\u003c\/strong\u003e. This will increase lead time but includes:\u003c\/p\u003e \u003cul data-start=\"3488\" data-end=\"3720\"\u003e \u003cli data-start=\"3488\" data-end=\"3531\"\u003e \u003cp data-start=\"3490\" data-end=\"3531\"\u003eProper torque applied to all components\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3532\" data-end=\"3563\"\u003e \u003cp data-start=\"3534\" data-end=\"3563\"\u003eAlignment and QC inspection\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3564\" data-end=\"3590\"\u003e \u003cp data-start=\"3566\" data-end=\"3590\"\u003eHeadspace verification\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3591\" data-end=\"3668\"\u003e \u003cp data-start=\"3593\" data-end=\"3668\"\u003eAccuracy testing with a typical match-grade load for the selected caliber\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3669\" data-end=\"3720\"\u003e \u003cp data-start=\"3671\" data-end=\"3720\"\u003eThe actual test target included with your order\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"3722\" data-end=\"3969\"\u003eThis option exists to save shooters time, frustration, and unnecessary expense. We’ve all purchased quality components that didn’t work well together—leading to lost points at matches and additional money spent. This kit is designed to avoid that.\u003c\/p\u003e \u003chr data-start=\"3971\" data-end=\"3974\"\u003e \u003cp data-start=\"3976\" data-end=\"4265\"\u003e\u003cstrong data-start=\"3976\" data-end=\"3992\"\u003eBottom line:\u003c\/strong\u003e\u003cbr data-start=\"3992\" data-end=\"3995\"\u003eThis Precision Upper Kit is not marketed as a magic solution or an “end-all” precision rifle. It is simply a thoughtfully selected combination of proven components, backed by hands-on experience, offered at a price point that delivers real value without cutting corners\u003c\/p\u003e","brand":"Buttonhook Concepts LLC","offers":[{"title":"Default Title","offer_id":53123625484399,"sku":"Precision-Upper-Custom","price":631.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/4016\/8047\/files\/20250724-062143650-ios__34050.jpg?v=1779158971","url":"https:\/\/buttonhookconcepts.com\/products\/custom-precision-ar-15-upper","provider":"Buttonhook Concepts LLC","version":"1.0","type":"link"}