"The Guard Post" is a Korean movie involving story of a mysterious death of an entire platoon located at Guard Post 506 (GP506) near the DMZ, a border between North and South Korea.
The following weapons were used in the film The Guard Post:
WARNING - Possible Spoilers
Daewoo K2
The Daewoo K2 is the weapon that is shown the most in the film, and is used by all Korean infantry soldiers in the movie. It is the main assault rifle of the Republic of Korea Army. The weapon is seen with both rail system and optics on and without. Almost all of the optics and rails used are manufactured by the Korean Dong-In Optical Co.
Daewoo K2 Assault Rifle - 5.56x45mm NATO
A Korean Military Police holding the Daewoo K2. It is fitted with Dong-In Optical Co.'s model DT323 Dot Sight and a weapon light.
A Private First Class firing the Daewoo K2.
Sergeant Major Noh firing the Daewoo K2. Note the upward muzzle flash created by the unique K2 flash suppressor.
The bolt of the K2 locks back after emptying its magazine. The Daewoo K2 has a bolt-catch mechanism similar to that of AR-15 series.
A very well shown capture of the receiver. Note the angled bolt-handle.
The Korean Military Police soldiers firing Daewoo K2s at each other. Note how these actors are just few meters away, which is still a dangerous distance even for blank-firing firearms.
A well shown capture of the optics, which are all Dong-In Optical Co.'s T3 dot sight, K2 Rail system, and weapon-light.
Sergeant Major Noh firing the K2. Note the flying brass, which happens to be blanks. In this sequence, he doesn't shoulder the stock but fires with incredible recoil-control. He also doesn't even blink when he fires!
Ja-Seng K2 airsoft replica
When the actors aren't firing blanks, they are mostly seen with Ja-Seng K2 airsoft replicas, which would be much lighter and safer for the actors to handle, and can be used without an armorer present on the set. The difference from the actual Daewoo K2 rifle can be seen by the straight bolt-handle, smaller rear-sights, awkward-shaped folding-stocks, thinner front-sights, lower bolt placement, smaller bolt, gap between the receiver and the hand guard, and the lack of swing swivels on the lower barrel.
Trivia: The Ja-Seng K2 airsoft replicas are all-plastic, scaled-down, pump-action airsoft replicas. They are known for their bad quality: lacking bolt, smaller scale, and bad details. It is quite amazing how the prop-designers of this movie improved the quality of these airsoft replicas up to this much.
A Korean MP soldier scans the area with Ja-Seng K2 airsoft rifle. Note that it has Dong-In Optical Co.'s K2 rail system and a T3 dot sight, which would not be possible to put on the normal Ja-Seng airsoft replica. The armorers somehow managed to attach rails on these airsoft replicas.
A frightened Korean MP soldier holding the Ja-Seng K2 airsoft rifle. Note the flatter receiver, smaller bolt, and smaller rear-sight compared to the actual Daewoo K2.
A Korean MP soldier holds the Ja-Seng K2 airsoft rifle on another soldier. Note the shallow bolt, straight bolt handle, lack of sling swivel, huge gap between the receiver and the hand guard, and the overall smallness of the rifle. There is also a hole in the hand guard, which was originally for the pump-action system of the typical Ja-Seng airsoft replicas.
A Korean MP soldier holds the airsoft replica on another soldier. Apparently, he can't aim down the sights because the stock is too short, being a scaled-down model. Note the thinner front-sight and smaller rear-sight.
Dong-San K1
Dong-San K1, airsoft replica of the Daewoo K1A, is seen carried by several soldiers in the film but is never seen up close or being fired. The difference from the actual Daewoo K1A can be seen by the lack of take-down lever behind the rear-sight, square pistol grip, larger and rounder trigger guard, higher bolt placement, straight bolt-handle, and the lack of magazine fence.
The soldier in the middle has a Dong-San K1 slung to his back standing in for the actual Daewoo K1A.
The soldier crouching has the K1 slung to his back with the stock extended. Note the larger trigger guard, squared pistol grip, higher bolt placement, and the lack of take-down lever behind the rear-sight, showing that it is an airsoft K1A replica, not an actual Daewoo K1A
Daewoo K5 (DP-51)
The Daewoo K5 pistol is seen carried mostly by Sergeant Major Noh and Staff Sergeant Yoon. It is also seen in the flashback in a fight between First Lieutenant Yoo and the medic, where Yoo uses it to shoot the head of the medic.
Daewoo K5 (DP-51; U.S. Import Name) Pistol - 9x19mm
The medic holds the K5 on Staff Sergeant Yoon.
Yoon blows the contents of the medic's head with the K5. The Daewoo K5 (DP-51) has a SA/DA system similar to Beretta M9 series
Sergeant Major Noh aims his Daewoo K5 (DP-51). Noh is always seen using the K5 in single action, and he cocks the hammer into single action position even when the hammer is down.
Noh aims his Daewoo K5 (DP-51). Note the chrome barrel and ejection port, a unique aspect in all K5 pistols.
Noh fires the Daewoo K5 (DP-51). Apparently he is aiming at a different angle due to safety issues with firing blanks at a close distance.
Fake M60
A mocked up M60 machine-gun can be seen when Corporal Kang is explaining about the North Korean GP 300 meters away to two newcomer privates. He accidentally discharges the weapon, which results in a burst of machine-gun fire from the North. Corporal Kang shows the M60 to the newcomers, calling it as the machine-gun that came out in the movie "Rambo". However, this M60 seems to be a fake M60 with front-sight taken from AR-15 series and a thick cylindrical part of the barrel sticking out of the hand guard. The gun also apparently fires from a closed-bolt position, where as actual M60s fire from an open-bolt position. It also apparently does not eject ammunition belt links when it fires. It is unsure, however, what the base-weapon of this M60 mock up is.
M60 machine gun with bipod folded - 7.62 x 51mm NATO
Front view of the M60 mock-up. It has an AR-15 type front-sight and a think barrel portion sticking out of the hand guard.
Close-up view of the barrel portion. Note the AR-15 type front-sight.
Fake M60 being fired. Note the star shaped muzzle flash created by the typical M60 flash suppressor.
Fake M60 being fired. The belt links do not eject in this sequence altho the brass ejects. Also the gun fires in a closed-bolt position, while the actual M60 fires in open-bolt position.
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