LaRue Kabuto FRT — First Kabuto Cut for LaRue MBT 2-Stage Triggers | 316 Stainless Ambi
Run a LaRue MBT? This is the assisted reset trigger built for you — the first Kabuto ever machined specifically for the LaRue MBT two-stage trigger. The bottom of the housing is precision-cut to mate with the MBT's machined S7 tool steel profile, so the forced reset device sits on your LaRue the way generic Kabutos never could. High-end metal components throughout — not a single laser-cut piece, not one surface left rough — a 316 stainless steel, polished and bead-blasted 3-position ambidextrous selector, a bearing steel main pin, and every unit hand-assembled in Fort Worth, Texas by the same shop behind our Full Metal Kabuto line. No corners cut. No quality sacrificed. The highest-quality Kabuto ever made, with no comparison on the market.
Why a LaRue-Specific Cut Matters
The LaRue MBT-2S has earned its reputation as the two-stage trigger that goes toe-to-toe with Geissele at a fraction of the price: every major component machined from solid S7 tool steel plates — no MIM parts — breaking at a glass-smooth 4.5 lbs (2.5 lb first stage, 2 lb second), with a heavy spring included for a 6 lb duty setup. It's one of the most-installed precision triggers in the AR world, and it's built in Texas, like this Kabuto.
Here's the problem it created: generic Kabuto housings are shaped around mil-spec fire control groups. Drop one over an MBT's machined plate profile and you're into shimming, sanding, and hoping. The LaRue Cut Kabuto ends that — the underside of the housing is machined to the MBT's actual geometry, so engagement is right by design, not by fitment session. Two-stage precision below, assisted reset above, both cut in Texas.
Built Like the Trigger It Sits On
- 316 stainless steel ambi selector — polished and bead-blasted for a glass-smooth throw, full 3-position control from both sides: Safe, Semi, and Forced Reset (assisted reset) mode.
- Fully CNC machined — not a single laser-cut piece. Laser cutting is the shortcut most of this market runs on; every component here is machined, and every surface is finished. Not one piece of metal left rough or untouched.
- Bearing steel main pin at the highest-stress pivot in the system — the material bearings are made from, where the load actually lives.
- Hand-assembled, every unit. Polished, machined parts fitted by hand in Fort Worth — not bagged parts, not a kit. There is no comparison on the market.
- LaRue-specific housing cut — the first and only Kabuto machined to the MBT's profile.
Specifications
| Trigger Type | Assisted reset / forced reset device (FRT), drop-in — Kabuto pattern |
| Housing Cut | Machined specifically for LaRue MBT two-stage triggers (curved & straight bow) |
| Selector | 316 stainless steel, 3-position, fully ambidextrous — polished & bead-blasted |
| Main Pin | Bearing steel |
| Construction | Fully CNC machined — zero laser-cut pieces, every surface finished |
| Assembly | Hand-assembled in Fort Worth, polished CNC'd parts throughout |
| Positions | Safe · Semi · Forced Reset (assisted reset) mode |
| Platform | AR-15 with LaRue MBT-2S installed (mil-spec .154" small-pin lowers) |
| Origin | Machined in Fort Worth, Texas, USA |
| Price | $134.99 — first-of-its-kind limited run |
The Kabuto Family
| Kabuto Metal Ambi — $114.99 | Full Metal Kabuto — $149.99 | LaRue Cut Kabuto — $134.99 | |
|---|---|---|---|
| Cut For | Mil-spec FCG | Mil-spec FCG | LaRue MBT two-stage — the only one |
| Selector | Stainless metal ambi | 316 stainless ambi — polished & bead-blasted | 316 stainless ambi — polished & bead-blasted |
| Construction | Metal hardware, printed housing | 100% CNC machined all-metal | Fully CNC'd & hand-assembled, LaRue-cut housing |
| Best For | Entry into FRT shooting | The no-compromise mil-spec build | MBT owners — precision two-stage + assisted reset |
Required Hardware
- LaRue MBT-2S installed — this Kabuto is cut for it and only it
- M16-profile (full-auto cut) BCG required — we run the MPI Nickel Boron M16-Cut BCG — $159.99
- Heavy buffer strongly recommended (H2 minimum, H3 preferred) — shop buffers from $29.99
- Full-power ammo and a dry-cycle function check before live fire
Two Texas Legends, One Fire Control Group
The MBT gave shooters Geissele-class precision without the Geissele price. The LaRue Cut Kabuto is the first product built to honor that trigger instead of fighting it — USA-made, drop-in, machined 30 minutes from where we ship it. First run is limited; when they're gone, they're gone until the next machining run.