{"product_id":"cnc-kabuto-frt-red-billet-housing-ar-15-pcc","title":"CNC Kabuto FRT — Red Billet Housing | AR-15 \u0026 PCC","description":"\u003c!-- ============ BLOCK 1: SEO FIELDS ============ --\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c!-- ============ BLOCK 3: DESCRIPTION HTML ============ --\u003e\n\u003cstyle\u003e\n#pw .ckb-wrap{width:100% !important;max-width:100% !important;color:#1f1f1f !important;font-family:inherit !important;line-height:1.6 !important;}\n#pw .ckb-bar{background:#f4efe9 !important;border-left:4px solid #cd7f2e !important;padding:12px 16px !important;margin:0 0 20px 0 !important;font-size:14px !important;color:#1f1f1f !important;}\n#pw .ckb-wrap h2{font-size:22px !important;color:#1f1f1f !important;margin:28px 0 10px 0 !important;padding-bottom:6px !important;border-bottom:2px solid #cd7f2e !important;}\n#pw .ckb-wrap h3{font-size:17px !important;color:#1f1f1f !important;margin:18px 0 6px 0 !important;}\n#pw .ckb-wrap p{margin:0 0 14px 0 !important;color:#1f1f1f !important;}\n#pw .ckb-wrap ul{margin:0 0 16px 20px !important;padding:0 !important;}\n#pw .ckb-wrap li{margin:0 0 8px 0 !important;color:#1f1f1f !important;}\n#pw .ckb-wrap a{color:#b5651d !important;text-decoration:underline !important;}\n#pw .ckb-grid{display:flex !important;flex-wrap:wrap !important;gap:12px !important;margin:0 0 18px 0 !important;}\n#pw .ckb-card{flex:1 1 220px !important;background:#f7f5f2 !important;border:1px solid #e3ddd5 !important;border-top:3px solid #cd7f2e !important;padding:14px !important;}\n#pw .ckb-card strong{display:block !important;color:#1f1f1f !important;margin:0 0 4px 0 !important;}\n#pw .ckb-tbl{width:100% !important;border-collapse:collapse !important;margin:0 0 18px 0 !important;font-size:14px !important;}\n#pw .ckb-tbl td{border:1px solid #e3ddd5 !important;padding:9px 12px !important;color:#1f1f1f !important;vertical-align:top !important;}\n#pw .ckb-tbl td:first-child{background:#f7f5f2 !important;font-weight:bold !important;width:34% !important;}\n#pw .ckb-vid{position:relative !important;width:100% !important;height:0 !important;padding-bottom:56.25% !important;margin:0 0 18px 0 !important;background:#000000 !important;}\n#pw .ckb-vid iframe{position:absolute !important;top:0 !important;left:0 !important;width:100% !important;height:100% !important;border:0 !important;}\n#pw .ckb-note{background:#fff8ef !important;border:1px solid #e8c9a3 !important;padding:14px 16px !important;margin:0 0 18px 0 !important;font-size:14px !important;color:#1f1f1f !important;}\n\u003c\/style\u003e\n\u003cdiv id=\"pw\"\u003e\n\u003cdiv class=\"ckb-wrap\"\u003e\n\u003cdiv class=\"ckb-bar\"\u003e\u003cstrong\u003eCNC Machined Red Housing · Hardened S136 Internals · Threaded Pin · Made in Texas\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eThis is the \u003cstrong\u003eCNC Kabuto FRT\u003c\/strong\u003e, and it's the cleanest machine work we have ever put on our shelves. It's made in Texas by one of the true pioneers of the Kabuto design. The housing is CNC machined from 6061 aluminum and anodized a deep red, so it won't crack at the shelf the way nylon and printed housings can. The lever, activator and pin are CNC and EDM cut from S136 steel, then hardened and blackened.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSearching for the Kubota FRT? Kabuto is the correct name for the design, and this is the one we carry now.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eIt ships with a \u003cstrong\u003ehigh-grade PLA 3-position selector\u003c\/strong\u003e, the industry standard on Kabuto kits, on a housing that's a big step above standard.\u003c\/p\u003e\n\u003cdiv class=\"ckb-note\"\u003e\n\u003cstrong\u003eWant a metal selector?\u003c\/strong\u003e Upgrade to our monolithic CNC machined selector, or pick a CNC ambi selector in black, red, blue or gold. \u003ca href=\"https:\/\/www.artakedowntool.com\/products\/cnc-kabuto-frt-ar15\"\u003e\u003cstrong\u003eBuild Your Own Custom Kabuto →\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat Makes This Kabuto Different\u003c\/h2\u003e\n\u003cdiv class=\"ckb-grid\"\u003e\n\u003cdiv class=\"ckb-card\"\u003e\n\u003cstrong\u003eBillet red housing\u003c\/strong\u003eCNC machined 6061 aluminum. Pre-trimmed to fit more lowers and uppers, with a beveled top so your upper closes down easier.\u003c\/div\u003e\n\u003cdiv class=\"ckb-card\"\u003e\n\u003cstrong\u003eHardened S136 internals\u003c\/strong\u003eLever, activator and pin are CNC and EDM cut, then hardened and blackened.\u003c\/div\u003e\n\u003cdiv class=\"ckb-card\"\u003e\n\u003cstrong\u003eThreaded 5.5 mm pin\u003c\/strong\u003eThreads in for an easier install and stays put. No more chasing a pin that walks out.\u003c\/div\u003e\n\u003cdiv class=\"ckb-card\"\u003e\n\u003cstrong\u003eFront lever blocker\u003c\/strong\u003eStops the lever from falling forward and getting stuck under the hammer.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"ckb-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eDrop-in forced reset trigger device, Kabuto pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eCNC machined 6061 aluminum, anodized red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLever, activator and pin\u003c\/td\u003e\n\u003ctd\u003eCNC and EDM cut S136 steel, hardened and blackened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin\u003c\/td\u003e\n\u003ctd\u003e5.5 mm threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelector\u003c\/td\u003e\n\u003ctd\u003eHigh-grade PLA, 3-position (\u003ca href=\"https:\/\/www.artakedowntool.com\/products\/cnc-kabuto-frt-ar15\"\u003emetal selector upgrades available\u003c\/a\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003eSafe · Semi · Forced Reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eAR-15 · AR-pattern PCC (9mm, .40 S\u0026amp;W, .45 ACP) with minor fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBCG required\u003c\/td\u003e\n\u003ctd\u003eM16-profile (full-auto cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffer\u003c\/td\u003e\n\u003ctd\u003eH2 minimum, H3 preferred\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in Texas, USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFitment: Read Before You Install\u003c\/h2\u003e\n\u003cp\u003eThe Kabuto works off the top of your lower receiver, so the distance to the safety and trigger is different on every lower. That's why no single activator length fits every rifle. The housing is pre-trimmed to fit as many lowers and uppers as possible, but tolerances vary from manufacturer to manufacturer, so \u003cstrong\u003esome rifles will need minor shaving\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"ckb-note\"\u003e\n\u003cstrong\u003eActivator length check:\u003c\/strong\u003e the bottom tip of the activator presses the trigger down to reset it. If the tip is too long, it can't travel all the way down and pushes the whole assembly up, which binds the bolt.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTo test:\u003c\/strong\u003e push the lever all the way back into the reset position, then look at how the housing sits. If the housing lifts, the activator tip is too long. Shave the bottom tip a little at a time until the housing stays seated.\u003c\/div\u003e\n\u003ch3\u003eWatch: Full Kabuto Install and Tuning Walkthrough\u003c\/h3\u003e\n\u003cdiv class=\"ckb-vid\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/S8SzF3U7ktk\" title=\"Kabuto FRT full install and tuning walkthrough\" loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch3\u003eRunning it in a PCC\u003c\/h3\u003e\n\u003cp\u003eThe Kabuto also runs in AR-pattern pistol caliber carbines in 9mm, .40 S\u0026amp;W and .45 ACP. PCC lowers and bolts vary more than AR-15s do, so \u003cstrong\u003eexpect some minor fitment and adjustment\u003c\/strong\u003e: activator tuning, buffer and spring choice, and a function check before live fire. Take the time to tune it and it will run.\u003c\/p\u003e\n\u003ch3\u003eRequired hardware\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM16-profile (full-auto cut) BCG.\u003c\/strong\u003e A semi-cut BCG will not engage the reset. We run the \u003ca href=\"https:\/\/www.artakedowntool.com\/products\/mpi-nickel-boron-ar15-bcg-m16-cut\"\u003eMPI Nickel Boron M16-Cut BCG\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy buffer\u003c\/strong\u003e, H2 minimum and H3 preferred. \u003ca href=\"https:\/\/www.artakedowntool.com\/collections\/ar-15-buffers\"\u003eShop AR-15 buffers for FRTs\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-power ammo.\u003c\/strong\u003e Underpowered loads may not cycle far enough to engage the reset.\u003c\/li\u003e\n\u003cli\u003eFunction-check on Safe, Semi and Forced Reset before live fire.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Kabuto housing (6061, red anodized) with S136 lever and activator\u003c\/li\u003e\n\u003cli\u003e5.5 mm threaded pin\u003c\/li\u003e\n\u003cli\u003eHigh-grade PLA 3-position selector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I get it with a metal selector?\u003c\/h3\u003e\n\u003cp\u003eYes. Same CNC aluminum housing and hardened S136 internals, with your choice of a monolithic CNC selector or a CNC ambi selector in black, red, blue or gold. \u003ca href=\"https:\/\/www.artakedowntool.com\/products\/cnc-kabuto-frt-ar15\"\u003eBuild your own custom Kabuto\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs the Kabuto FRT good?\u003c\/h3\u003e\n\u003cp\u003eThe Kabuto is one of the most popular drop-in FRT designs because it's simple and affordable. The weak point on most kits has been the housing. This one is machined from solid aluminum, so the part that used to crack is now the strongest part of the kit.\u003c\/p\u003e\n\u003ch3\u003eWill it fit my lower without any work?\u003c\/h3\u003e\n\u003cp\u003eOften, but not always. If the housing lifts when the lever is in the reset position, shave the bottom tip of the activator a little at a time. The walkthrough video above shows the process.\u003c\/p\u003e\n\u003ch3\u003eDoes it work in PCC builds?\u003c\/h3\u003e\n\u003cp\u003eYes, in AR-pattern PCCs in 9mm, .40 S\u0026amp;W and .45 ACP. PCC lowers and bolts vary more than AR-15s do, so plan on some minor fitment and adjustment, mainly activator tuning and buffer setup, before it runs right.\u003c\/p\u003e\n\u003ch3\u003eDoes it need a full-auto cut BCG?\u003c\/h3\u003e\n\u003cp\u003eYes. The Kabuto needs an M16-profile (full-auto cut) BCG to engage the reset. A semi-cut BCG will not work.\u003c\/p\u003e\n\u003ch3\u003eIs the Kabuto FRT legal?\u003c\/h3\u003e\n\u003cp\u003eForced reset triggers fire one round per trigger pull, but some states restrict them. Check our \u003ca href=\"https:\/\/www.artakedowntool.com\/pages\/are-frt-triggers-legal\"\u003estate-by-state FRT legality guide\u003c\/a\u003e before you order. It's your responsibility to know and follow your local laws.\u003c\/p\u003e\n\u003ch2\u003eKeep Exploring\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.artakedowntool.com\/products\/cnc-kabuto-frt-ar15\"\u003eBuild your own custom Kabuto with a metal selector\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.artakedowntool.com\/pages\/best-frt-triggers-for-ar-15\"\u003eBest FRT triggers for AR-15: 2026 buyer's guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.artakedowntool.com\/blogs\/blogs\/how-forced-reset-triggers-work\"\u003eHow forced reset triggers work\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.artakedowntool.com\/pages\/are-frt-triggers-legal\"\u003eAre FRT triggers legal? State-by-state guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.artakedowntool.com\/collections\/ar-15-buffers\"\u003eAR-15 buffers for FRTs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"The Takedown Tools","offers":[{"title":"Default Title","offer_id":67876830740650,"sku":"Red-Kabuto","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/2008\/3626\/files\/Kabuto-frt-kit-with-aluminum-selector-forced-reset-trigger_a1048411-c1bb-414d-a8b3-9a4066defb93.png?v=1794255675","url":"https:\/\/mammothnation.com\/products\/cnc-kabuto-frt-red-billet-housing-ar-15-pcc","provider":"Mammoth Nation","version":"1.0","type":"link"}