The Marine 2

The following guns were used in the film :

Heckler & Koch HK33

Joe Linwood (Ted DiBiase Jr.) uses a Heckler & Koch HK33 at the beginning of the film, he uses it with a scope. He shoots the Arms Dealer, killing him. He also kills some of his men.

HK33A3 Rifle with Telescoping stock - 5.56x45mm. This version has the 30 round magazine sold with the HK93 Sporter Rifle. It is obviously slight longer than the 25 round military magazine. Only the Semi Auto rifle was offered with a 30 round magazine from the factory.

M4A1

Joe Linwood's partner at the beginning of the film uses an M4A1 fitted with a ACOG scope, and a foregrip. He barely fires it at the Arms Dealer.

Colt M4A1 Carbine with M68 Aimpoint reflex optic and Knight's Armament RAS railed handguard and vertical forward grip - 5.56x45mm

Galil SAR

This gun is used by the mercenary leader when they enter the hotel grounds, it is fitted with a scope and a silencer. After he is injured Joe Linwood (Ted DiBiase Jr.) takes it and uses it for a good part of the film, After a hand to hand combat, WWE style he takes the gun, but it apparently ran out because in the next scene he appears with another gun.

IMI Galil SAR - 5.56x45mm