The Triggered Company Assisted Reset Trigger (B&T SPC9/GHM9/GHM45)

This is the B&T-specific member of The Triggered Company's assisted reset line, and it is a different part from the AR-15 Partisan Disruptor. It drops into the B&T SPC9, GHM9, and GHM45 lower with no fitting, gunsmithing, or receiver modification, which is what makes it notable: the B&T 9mm family has almost no forced reset aftermarket, and the alternative has been swapping to an AR fire control group in a third-party lower.

Mechanically it works the way every assisted reset design works. The bolt carrier's rearward travel drives a reset lever that pushes the trigger forward into full reset, and the trigger is locked out until the action returns to battery, so each shot still takes its own press. The three-position selector gives Safe, Semi-Automatic, and Enhanced Semi-Automatic, and the pull is listed at 3.75 to 4.1 lbs. Wear surfaces are 17-4 stainless and 4140 chromoly, with the trigger toggle in gold PVD-coated 17-4.

Fitment is where buyers get burned. The pack will not work with GHM Gen 1 uppers (high shelf) or B&T special edition aluminum lowers, and some Gen 2 guns left the factory with Gen 1 uppers, so shelf height needs to be confirmed on the actual gun rather than assumed from the model year. The high-shelf exclusion does not apply to SPC9s. Cloak Industries sells it in two options at $550: a Low Shelf version and a Lingle Lower version, the latter shipping with compatible trigger pins and selector.