BudsGunShop.com - M&P 40

Hi Phillip, Yes no problem mounting this on the M&P 40. It comes with a Universal Mounting system which will it fits all guns with a rail of at least 1 inch. SPECS - The LaserMax Spartan Series SPS-G Universal Rail mounted laser features installs on the preferred rail location for personal comfort and ease of use. Once the laser is anchored in place the Spartan maintains wonderful accuracy while firing. This laser emits a bright green 5mW laser billed as the industries brightest red laser aiming device. The Spartan is fully adjustable for Windage and elevation ensuring that you can adjust it for a variety of calibers zeroed at a variety of distances. Specifications and Features: LaserMax Spartan Series SPS-R Universal Fit Rail Mounted Red Laser 5mW Power Output Tap On/Off Polymer Housing 1/3N Lithium Battery Advanced mounting technology provides the perfect fit Patented accessory rail permits attachment of tactical light Aiming point can be set to operator's choice of pulse or steady Auto-off after 10 min preserves battery power Over-sized electronic touch pads ensure effortless activation Matte Black

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yes it will it fits all guns with a rail of at least 1 inch The LaserMax Spartan Series SPS-G Universal Rail mounted laser features installs on the preferred rail location for personal comfort and ease of use. Once the laser is anchored in place the Spartan maintains wonderful accuracy while firing. This laser emits a bright green 5mW laser billed as the industries brightest red laser aiming device. The Spartan is fully adjustable for Windage and elevation ensuring that you can adjust it for a variety of calibers zeroed at a variety of distances.
Specifications and Features:
LaserMax Spartan Series SPS-R
Universal Fit
Rail Mounted
Red Laser
5mW Power Output
Tap On/Off
Polymer Housing
1/3N Lithium Battery
Advanced mounting technology provides the perfect fit
Patented accessory rail permits attachment of tactical light
Aiming point can be set to operator's choice of pulse or steady
Auto-off after 10 min preserves battery power
Over-sized electronic touch pads ensure effortless activation
Matte Black

Yes. This Laser utilizes a "Universal" Mounting spec that will fit most Handguns including the M&P 40.