Action Enhancement Trigger Kit for M&P

Description

The Action Enhancement Trigger Kit for Smith & Wesson M&P pistols delivers a reliable, consistent trigger pull that makes sense for the Arizona desert shooter. High dust, heat, and suppressor use demand a trigger that performs without compromise. This drop-in kit provides a smooth 5.0 to 5.5 lb. pull weight—reducing factory pull by approximately 1 lb.—while maintaining the safety and durability your pistol needs in extreme conditions.

Designed for M&P 9mm and .40 S&W models, this kit shortens over-travel and pre-travel by roughly 20%. You get a crisp break with a short, positive reset. The result is faster follow-up shots and better control when running suppressed or in dusty environments. The center mounted pivoting safety keeps factory safety values intact, so you can trust the trigger under stress.

Key benefits for your setup:

• Reduced trigger pull weight — drops to 5.0–5.5 lbs. for a cleaner, more manageable pull without going too light for a service pistol.
• Shorter over-travel and pre-travel — about 20% less movement, giving you a quicker reset and more precise shot placement.
• Smooth uptake and reset — the kit delivers a consistent, crisp break with no gritty feel, even in high-heat or dusty conditions.
• Drop-in installation — no fitting required. Direct replacement parts save time and hassle, so you can get back to the range or field.
• Suppressor-friendly performance — the clean break and short reset help manage gas and recoil, improving control with a can attached.

Important fitment note: This kit requires the larger 1/8-inch sear spring and plunger setup. If your M&P uses the older 1/16-inch diameter sear plunger and spring, you must upgrade to a modern sear housing block (available at Brownells and other online retailers) before installation. All function and reliability testing was conducted with the 1/8-inch sear plunger and spring; using the smaller size may affect performance and safety.

Specs:

• Price: $110
• Compatible with: Smith & Wesson M&P (9mm or .40 S&W)
• Pull weight range: 5.0–5.5 lbs.
• Reduction: Approximately 1 lb. from factory
• Over-travel/pre-travel reduction: Approximately