Dragon Squad (aka Dragon Heat - USA home video release title) (traditional Chinese: 猛龍) is a 2005 Hong Kong action film co-written and directed by Daniel Lee, co-produced by Steven Seagal and starring Vanness Wu, Sammo Hung, Michael Biehn, Maggie Q, and Simon Yam.
Used by several characters and HKPD officers in the film.
Rifles
Colt Model 653 Carbine
First seen in the hands of Ko Tung-Yuen (Huh Joon-Ho) seeing Petros Angelo (Michael Biehn) under heavy fire. Ko joins Petros and handed him the rifle, which Petros used during the shootout to escape from the warehouse
M4A1 Carbine
Heckler & Koch PSG-1
Used as the preferred weapon of Yuet Song (Maggie Q), one of Petros Angelo's operatives. For non-firing scenes, the rifle is fitted with a 5-round magazine but for the firing scenes, it is fitted with a 20-round magazine.
Submachine guns
Heckler & Koch MP5K
Used by Ko Tung-Yuen (Huh Joon-Ho) during the warehouse shootout.
Heckler & Koch MP5A2
Heckler & Koch MP5A3
Used by officer Pak Yut-Suet (Huang Shengyi) in a firefight with Petros Angelo's (Michael Biehn) gang in an abandoned warehouse district. It is also used by Joe Pearson (Mark Henderson), one of Petros' men, as well as several HKPD officers. All of the MP5A3s are fitted with a Surefire 628 dedicated forend weaponlight.