APEX TACTICAL SPECIALTIES115716616
Apex Tactical Action Enhancement Trigger Kit for FN 509 - Precision Aluminum Upgrade$160.00
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Availability: In Stock
The Apex Tactical Specialties Action Enhancement Trigger Kit transforms the trigger experience on your S&W M&P 9mm or .40 S&W duty or carry pistol. If you've run factory M&P triggers and wished for something sharper and more responsive, this kit replaces the OEM sear and trigger assembly with machined components that deliver a noticeably lighter, smoother pull with a shorter reset. The result is a trigger that rewards precise shooting without compromising safety for duty, competition, or everyday carry.
Built around a rounded, machined aluminum trigger shoe, the kit provides a comfortable and secure contact point for your trigger finger—the kind of ergonomic detail that matters when you're running drills or carrying daily. The trigger pull weight drops to 5 to 5-1/2 pounds, a meaningful step up from stock, while pre- and over-travel are reduced by as much as 20 percent. The center-mounted pivoting safety keeps factory safety functionality intact, so you're not sacrificing security for performance.
The kit arrives complete: trigger, heavy-duty sear spring, machined sear, duty/carry spring set, Ultimate Striker Block Kit, and slave pin for trigger return spring installation. Designed to fit all standard S&W M&P pistols chambered in 9mm and .40 S&W, it's a straightforward upgrade that usually functions as a drop-in. That said, Apex recommends having an armorer or gunsmith handle the swap to ensure proper installation and function.
| Brand | Apex Tactical Specialties |
| Product Type | Action Enhancement Trigger Kit |
| Compatibility | S&W M&P 9mm and .40 S&W (all standard M&P models) |
| Trigger Pull Weight | 5 to 5-1/2 pounds |
| Pre- and Over-Travel Reduction | Up to 20% |
| Trigger Material | Machined aluminum shoe |
| Safety Type | Center-mounted pivoting safety (factory values maintained) |
| Components Included | Trigger, heavy-duty sear spring, machined sear, duty/carry spring set, Ultimate Striker Block Kit, slave pin |
The Apex Action Enhancement Trigger Kit fits all standard S&W M&P pistols chambered in 9mm and .40 S&W. It does not fit the M&P45, M&P M2.0, M&P Shield, or .22 LR models.
The kit is designed to function as a drop-in replacement and typically does not require additional gunsmithing. However, Apex recommends having an armorer or gunsmith perform the installation to ensure proper assembly and reliable operation.
The kit contains the trigger assembly with machined aluminum shoe, a heavy-duty sear spring, a machined sear, a duty/carry spring set, the Ultimate Striker Block Kit, and a slave pin for trigger return spring installation. Everything needed for a complete trigger system replacement is included.
Yes. The kit is specifically engineered for duty and carry applications. The center-mounted pivoting safety maintains factory safety values, so trigger security is not compromised while you gain performance benefits like a lighter pull, shorter reset, and reduced travel.
SKU: 115764812 • Width: 4in • Height: 1in • Depth: 4in • Weight: 0.06oz
Availability: In Stock
The Apex Tactical Specialties Action Enhancement Trigger Kit transforms the trigger experience on your S&W M&P 9mm or .40 S&W duty or carry pistol. If you've run factory M&P triggers and wished for something sharper and more responsive, this kit replaces the OEM sear and trigger assembly with machined components that deliver a noticeably lighter, smoother pull with a shorter reset. The result is a trigger that rewards precise shooting without compromising safety for duty, competition, or everyday carry.
Built around a rounded, machined aluminum trigger shoe, the kit provides a comfortable and secure contact point for your trigger finger—the kind of ergonomic detail that matters when you're running drills or carrying daily. The trigger pull weight drops to 5 to 5-1/2 pounds, a meaningful step up from stock, while pre- and over-travel are reduced by as much as 20 percent. The center-mounted pivoting safety keeps factory safety functionality intact, so you're not sacrificing security for performance.
The kit arrives complete: trigger, heavy-duty sear spring, machined sear, duty/carry spring set, Ultimate Striker Block Kit, and slave pin for trigger return spring installation. Designed to fit all standard S&W M&P pistols chambered in 9mm and .40 S&W, it's a straightforward upgrade that usually functions as a drop-in. That said, Apex recommends having an armorer or gunsmith handle the swap to ensure proper installation and function.
| Brand | Apex Tactical Specialties |
| Product Type | Action Enhancement Trigger Kit |
| Compatibility | S&W M&P 9mm and .40 S&W (all standard M&P models) |
| Trigger Pull Weight | 5 to 5-1/2 pounds |
| Pre- and Over-Travel Reduction | Up to 20% |
| Trigger Material | Machined aluminum shoe |
| Safety Type | Center-mounted pivoting safety (factory values maintained) |
| Components Included | Trigger, heavy-duty sear spring, machined sear, duty/carry spring set, Ultimate Striker Block Kit, slave pin |
The Apex Action Enhancement Trigger Kit fits all standard S&W M&P pistols chambered in 9mm and .40 S&W. It does not fit the M&P45, M&P M2.0, M&P Shield, or .22 LR models.
The kit is designed to function as a drop-in replacement and typically does not require additional gunsmithing. However, Apex recommends having an armorer or gunsmith perform the installation to ensure proper assembly and reliable operation.
The kit contains the trigger assembly with machined aluminum shoe, a heavy-duty sear spring, a machined sear, a duty/carry spring set, the Ultimate Striker Block Kit, and a slave pin for trigger return spring installation. Everything needed for a complete trigger system replacement is included.
Yes. The kit is specifically engineered for duty and carry applications. The center-mounted pivoting safety maintains factory safety values, so trigger security is not compromised while you gain performance benefits like a lighter pull, shorter reset, and reduced travel.
SKU: 115764812 • Width: 4in • Height: 1in • Depth: 4in • Weight: 0.06oz