Height difference between USPc 45 and USP CT?

[shakazulu12]

Why is it so big? Is it simply due to the tall sites? Per the website, the USPc 45 is 5.06" tall, and the USP CT is 5.75".

I can't figure it out. I don't think the sites are that tall.

[Scooter]

Sight and basepad.

[Dern_Humpus]

Threaded barrel.

[Scooter]

^^^^pwned by reading.:p