There's a fairly common phenomenon where older individuals possess a "beloved gun," a "partner gun," meaning they only recognize and utilize this particular firearm. If they're not carrying their most commonly used gun, then they must choose the same model.
Many Americans have a special fondness for the 1911, and Lloyd clearly shared this sentiment.
But Gao Guang was different. He liked using his customized pair of SIGs, but he could use any gun. He wasn't picky—a gun was a gun to him, no matter what type it was.
The difference wasn't only due to personal preference and aesthetics but also capability. Some people are just more adapted to certain models, but Gao Guang could handle any gun, hence he had a broader selection to choose from.
Now, Gao Guang had picked out a pistol for special purposes, but he was about to show off his shooting skills and yet he didn't even have a standard pistol on hand.