you could always swap out the handguard or even get those adapters that put small rail sections on a standard handguard.
mine is a sig p556 swat, so i have full quad rails.
i put on the green lasermax with pressure pad activation.
Favorite range gun for the money - CZ 75B or STI Spartan V 9mm
Go-to carry setup - Walther PPS or PPQ in FIST kydex holster 1AK
Favorite .22LR - Browning Buckmark
"A Sig is like a lightsaber - not as clumsy or random as a Glock."