The following weapons were used in the film Stop-Loss:
Colt Model 727 with M203
The standard rifle of the soldiers in the film during their tour in Iraq is the M4A1. Sgt. Steve Shriver (Channing Tatum) has his M4A1 fitted with an ACOG scope, Surefire M900 weaponlight foregrip, and AN/PEQ-2 IR designator.
At the end of the film, many of the soldiers in ACUs being sent to Iraq are carrying M16A2 rifles.
Insurgents are seen firing AKM rifles at the soldiers.
Winchester Model 1894
Shriver is seen firing a Winchester Model 1894 rifle with a bunch of the guys after coming back from Iraq.
M249 SAW Para
M240B Machine Gun
Browning M2 HB
A Browning M2 HB is seen mounted on one of the Humvees during the battle in Tikrit.
PKM Machine Gun
The PKM is used by insurgents during the opening ambush.
While fighting with several gangbangers in an alley, Brandon King (Ryan Phillippe) is cornered by one thug who points a Glock 17 at him. King successfully disarms the banger and takes the Glock from him, and subsequently carries it for a good part of the film.
Burgess is seen firing a Remington 870 shotgun with a bunch of the guys after coming back from Iraq.
Several RPG-7's are seen being fired by insurgents during the battle in Tikrit.
M67 Fragmentation Hand Grenade
The M67 hand grenade is seen used by King to clear some rooms during the battle in Tikrit.