Well, it depends - see he's using a full sized service pistol; apart from the subcompact Walther PPK lookalike, SIG also makes the P226, aka the M11 in SEAL usage, which is a highly reliable and accurate service pistol (it's also the carry weapon of NCIS). That said, he does rely on burst fire and full auto in his combat style.
But at the end of the day, choices of carry weapon fall down to 1) personal preference and 2) organizational decisions.
|