Yes, the Crimson Trace Rail Master Laser Sight w/ Universal Mount will be compatible with P320 model pistols that use an underside accessory rail.
The Crimson Trace Rail Master Universal Laser Sight mounts to a variety of accessory rails including picatinny rail. So yes, the Crimson Trace Rail Master Universal Laser Sight will mount to an IWI Masada.
Yes, Crimson Trace Rail Master Laser Sight w/ Universal Mount will work on a Walther P22.
No, but this model of Crimson Trace Laserguard Red Laser Sight will fit a Smith and Wesson Shield Plus.
https://www.opticsplanet.com/crimson-trace-laserguard-red-laser-sight-for-s-w-shield-handgun.html?_iv_parent-gun-model=smith-and-wesson-m-and-p-shield
Yes, the CMR-201 will fit the rail of the Glock G45 Gen 5. It does come with the 1/3 battery it needs.
No, the CMR-201 won't fit the Taurus 709 Slim since it doesn't have a picatinny rail.
Yes, the CMR-201 will fit the Beretta APX Centurion 9mm.
Yes, the CMR-201 will fit the rail of the Byrna HD.
No, the Rail Master will not fit the Walther PPK/S.
Yes, this will mount to the accessory rail on the GSG Firefly.