Smith & Wesson M&P9 L vs. M&P9 Pro Series Triggers

Both of these S&W M&P 9 Pistols have a 5 inch barrel. The triggers of each pistol are different. The M&P 9L has a White Dot front Sight and a Low Profile Rear Sight. The S&W M&P 9 Pro Series and the M&P 9L are very similar. Another easy way to spot the difference is the angle cut below the muzzle on the S&W 9L