The following weapons can be seen in the HBO miniseries The Pacific:

The Pacific (2010)

Opening credits for The Pacific.

Rifles

M1903A3 Springfield

The M1903A3 Springfield rifle is the main battle rifle for the Marines who land and fight on Guadalcanal in Part 1 and Part 2. PFC Wilbur 'Runner' Conley (Keith Nobbs), Lt. Col. Lewis "Chesty" Puller (William Sadler), and Lew 'Chuckler' Juergens (Josh Helman) to name a few. A Marine sniper is seen with a scoped Springfield in Part 6.

M1903A3 Springfield - .30-06

Marines of the 7th Marine Regiment led by Lt. Col. Lewis "Chesty" Puller (William Sadler) are seen marching in Part 1 with their M1903 Springfields on Guadalcanal.

On the left, Lew 'Chuckler' Juergens (Josh Helman) checks his 1903 as Robert Leckie cleans his M1911A1 in Part 2.

A Marine is seen using the 1903 during the battle of Alligator Creek on Guadalcanal in Part 1.

PFC Wilbur 'Runner' Conley (Keith Nobbs) is seen with his 1903A3 in Part 1.

"Runner" cleans his M1903 at the end of Part 1.

A Marine sniper is armed with a scoped Springfield at Peleliu airfield in Part 6.

M1 Garand

In Part 3, the majority of the Marines replace the 1903 with the M1 Garand. One Marine had compared it to his 1903 and prefers the former in terms of accuracy. The Garand is briefly carried by Robert Leckie (James Badge Dale). In Part 7 on Peleliu, Eugene Sledge (Joseph Mazzello) picks up Bill Leyden's M1 Garand after Leyden is wounded the first time by a grenade blast. Sledge uses the M1 to shoot and kill a Japanese Officer rushing towards him with a Katana, Sledge again uses one briefly on Okinawa in Part 9 after his M1 Carbine is put out of commission after he fell down a hill into muddy water with a dead body. Sledge uses that M1 Garand to help stop a charge by a small group of Japanese soldiers from on top a hill with other Marines. The M1 Garand is also carried and fired by Marine; Bill Leyden (Brendan Fletcher) on both the Peleliu Airfield and on Okinawa before he is wounded in Part 9.

M1 Garand semiautomatic Rifle with leather M1917 sling - .30-06

A crate is opened revealing the Army's brand new Garands in Part 2.

Robert Leckie (James Badge Dale) sits on a train with his new Garand next to him in Part 3.

Bill "Hoosier" Smith (Jacob Pitts) opens fire with the M1 Garand on Peleliu in Part 5.

Bill Leyden (Brendan Fletcher) fires his M1 Garand at the Japanese on the airfield in Part 6.

Leyden holds his M1 Garand as a grenade explodes next to him in Part 7.

Leyden falls off a bunker with an M1 Garand after the grenade goes off.

In Part 7, Eugene Sledge (Joseph Mazzello) uses Bill Leyden's M1 Garand to shoot a charging Japanese sergeant.

In Part 8, Marines armed with M1 Garands struggle to get off the beach at Iwo Jima as a Sherman tank takes a devastating hit.

In Part 9, Eugene Sledge holds the M1 Garand after opening fire on charging Japanese soldiers.

M1 Carbine

Several Marines are seen carrying and firing M1 Carbines including but not limited to; Eugene Sledge (Joseph Mazzello), Merriell "Snafu" Shelton (Rami Malek), Capt. Andrew Haldane (Scott Gibson), Cpl. R.V. Burgin (Martin McCann) and by John Basilone (Jon Seda) while on Iwo Jima in Part 8.

World War II Era M1 Carbine, with Dark Walnut Stock, 'L' peep sight and no bayonet lug - correct for most of WW2, shown with khaki sling and oiler and a period twin magazine pouch for buttstock

In Part 5, After landing on Peleliu beach, Eugene Sledge (Joseph Mazzello) holds his M1 Carbine.

Sledge avoids shrapnel while holding his M1 Carbine .

Capt. Andrew Haldane (Scott Gibson) is armed with an M1 Carbine as he scouts the enemy machine positions in Part 6.

Cpl. R.V. Burgin (Martin McCann) checks a bunker armed with the M1 Carbine.

In Part 7, Sledge holds his M1 Carbine as he wonders why the Japanese don't just give up.

In Part 8, Gunnery Sgt. John Basilone is armed with an M1 Carbine as he tries to get the Marines off the beach on Iwo Jima.

Basilone (Jon Seda) runs up the beach on Iwo Jima armed with his M1 Carbine in Part 8.

Arisaka Type 99

The Arisaka Type 99 rifle was one of the main battle rifles used by the Japanese Army in the Pacific theater and is seen used throughout the series, notably in Part 1 in Guadalcanal and Parts 5-7 during the battle of Peleliu then again in the hands of several Japanese Soldiers charging on Okinawa in Part 9.

Arisaka Type 99 battle rifle - 7.7x58mm

Japanese soldiers seen on the right carry the Arisaka as they prepare to defend the Peleliu airfield.

In Part 6, a Japanese soldier prepare to use his Arisaka in defense of the Peleliu airfield.

Japanese soldiers charge with the Arisaka Type 99 on Okinawa in Part 9.

Submachine Guns

M1A1 Thompson

Several Marines are seen carrying or firing the M1A1 Thompson. Robert Leckie (James Badge Dale) uses a Thompson M1A1 throughout the rest of the series, notably in Part 4, when he takes out a Japanese patrol trying to flank his unit and then in Part 5 and 6 when the Marines land on Peleliu. In Part 9 on Okinawa Eugene Sledge (Joseph Mazzello) picks up a Thompson and uses it for a good duration of the episode using it to kill multiple charging Japanese in one major charge and then later on killing wounded Japanese soliders. He is also carrying it when he enters the house with the wounded Japanese woman who wishes he mercy kill her but he decides against it after she pulls the barrel to her face. Other Marines such as Sgt. Stone (Toby Leonard Moore) and Gunnery Sgt. Elmo Haney (Gary Sweet) also use the Thompson.

M1A1 Thompson with 30-round magazine .45 ACP

In Part 2, Sgt. Stone (Toby Leonard Moore) slings his M1A1 next to Sgt. Morgan, who is carrying an M1928.

Robert Leckie (James Badge Dale) carries a Thompson M1A1 while on patrol in Part 4.

Gunnery Sgt. Elmo Haney (Gary Sweet) holds an M1A1 Thompson as he moves out on Peleliu in Part 5.

The front end of the M1A1 Thompson is seen being fired when Basilone and the Marines land on Iwo Jima in Part 8.

M1928 Thompson

Several Marines who fight on Guadacanal in Part 1 are seen with the M1928A1 Thompson. Lt. Hugh Corrigan (Henry Nixon) had a 50 round drum on his for most of Part 1 until the end, replacing it with a 30 round "stick" magazine.

M1928A1 Thompson with 50-round drum magazine - .45 ACP

Lt. Hugh Corrigan (Henry Nixon) with the 1928A1 Thompson in Part 1.

Corrigan fires his Thompson during the battle at Alligator Creek.

Corrigan carries the Thompson as he checks out an abandoned truck.

Corrigan's Thompson has the 50 round mag and the Cutts compensator.

Reising M50

Gunnery Sgt. John Basilone (Jon Seda) is seen with a Reising M50 Submachine Gun in "Part 2".

Reising M50 (full stock variant) - .45 ACP. Fitted with Cutts compensator and 20 round magazine.

The Reising Model 50 is used by John Basilone (Jon Seda).

Basilone's Reising next to a dying officer

M3 "Grease Gun"

In Part 9, an Army soldier guarding Japanese POWs on Okinawa is shown with an M3 Grease Gun.

World War II Era M3 Grease Gun

In Part 9, an Army soldier guards Japanese POWs on Okinawa with an M3 Grease Gun.

Handguns

Colt M1911A1

The main sidearm of the Marines in the miniseries is the Colt M1911A1. Robert Leckie (James Badge Dale) and John Basilone (Jon Seda) are seen using the pistols and several troops are seen with the handgun holstered.

World War II issued Colt M1911A1 Pistol - .45 ACP.

Lt. Col. Lewis "Chesty" Puller (William Sadler) has an M1911A1 holstered in Part 1 as he leads the men of the 7th Marines on Guadalcanal.

In Part 2, John Basilone (Jon Seda) has a holstered M1911A1 on his thigh.

In Part 1, Robert Leckie (James Badge Dale) aims his M1911A1 as he puts a Japanese soldier out of his mis.

A high amount of muzzle flash is seen here when Robert fires.

Leckie is seen cleaning his 1911A1 in Part 2.

Colt New Service

In Part 5, Eugene Sledge (Joseph Mazzello) receives a Colt New Service .45 Colt revolver in the care package sent from his family and in Part 9, uses the revolver on a wounded Japanese soldier on the island of Okinawa.

Model 1909 Colt Army Revolver - .45 LC. This model is stamped "Property of U.S. Government" under barrel and "M1909" on front bottom of grip strap. Grips not original - US issue bore plain uncheckered walnut.

In Part 9, Eugene Sledge (Joseph Mazzello) aims his Colt New Service revolver at a wounded Japanese soldier on Okinawa.

Nambu Type 14

The main sidearm of the Japanese was the Nambu Type 14 Pistol. Robert Leckie (James Badge Dale) finds one in a Japanese officer's chest when they go through the camp in which he takes it and the chest as a war trophy. After being committed due to the effects of combat, He ends up giving the pistol to the head of a naval psychiatric hospital as a bribe so he can return to his unit in Part 4.

Nambu Type 14 8x22mm Nambu

In Part 4, Leckie (James Badge Dale) finds a Nambu Type 14 pistol in a Japanese officer's chest.

Dr. Grant (Matt Craven) admires Leckie's handgun in Part 4.

Machine Guns

Browning Automatic Rifle

The Browning Automatic Rifle is one of the weapons seen in the hands of the Marines.

Browning Automatic Rifle

A B.A.R. sitting on a crate with a Springfield leaning on it.

A Marine is seen with his BAR with no bipod.

Browning M1917

The Marines of the 1st Division that land on Guadalcanal use Browning M1917 water cooled machine guns. Robert Leckie (James Badge Dale) is seen firing it as part of a three man gun crew in Part 1. John Basilone (Jon Seda) is also seen firing it both on a tripod and from the hip in "Part 2".

Browning M1917 machine gun .30-06 with tripod and ammo box‎

In Part 2, the M1917 Browning is seen being carried by both Sgt. J.P. Morgan (Joshua Biton) on the left and Sgt. Manny Rodriguez (Jon Bernthal) on the right.

Robert Leckie (James Badge Dale) carries an M1917 Browning on his back.

Robert Leckie and Lew 'Chuckler' Juergens (Josh Helman) operate the Browning M1917 in "Part 1".

Sgt. John Basilone (Jon Seda) firing the M1917 without the tripod in "Part 2". His actions on Guadalcanal would earn him the Medal of Honor.

Leckie and Chuckler hold off the Japanese forces with the the 1917.

Leckie at the M1917 speaks to Runner, who holds the 1903 Springfield.

Sgt. J.P. Morgan (Joshua Biton) checks out his M1917 in the aftermath of the Japanese aftermath.

Browning M1919

Replacing the Browning M1917 in the field for the Marines is the Browning M1919 machine gun in Episode Four, where it is used to stop a banzai charge. M1919's also are seen mounted on LVT's in the series, notably when landing on Peleliu in Part 5. Leckie (James Badge Dale) is briefly seen manning an M1919 on his LVT during the landing. John Basilone (Jon Seda) is seen hand firing an M1919 from the hip during the Battle of Iwo Jima in Part 8.

Browning M1919 .30-06 on M2 tripod

The Browning M1919 is mounted to the right of the LVT-4 during the Peleliu landings in Part 5.

The M1919 is fired from the LVT.

Another shot of another LVT-4 with Browning M1919.

In Part 8, Gunnery Sgt. Basilone (Jon Seda) demonstrates how to fire the M1919 from the hip. He is using a "bale" to hold the barrel of the M1919 in order to prevent severe burns from picking up the machine gun.

The machine gun team lays down fire with the M1919 on Iwo Jima in Part 8.

Browning M2HB

The Browning M2HB machine gun is seen mounted on the Marine LVT-4's notably during the landings of Peleliu in Part 5 and Iwo Jima in Part 8.

Browning M2HB on vehicle mount - .50 BMG

As Sledge and the Marines land on Peleliu, the Browning M2 is seen mounted on the left on the LVT-4.

The Browning M2 being fired from the LVT.

Another shot of the LVT-4 armed with a Browning M2 and a Browning M1919.

Nambu Type 99 Light Machine Gun

Japanese forces are seen firing the Nambu Type 99 Light Machine Gun during Parts 6 and 7.

Nambu Type 99 light machine gun 7.7x58mm Arisaka

On the right, Japanese forces are armed with the Nambu as they prepare to engage the Marines at the Peleliu airfield in Part 6.

The Nambu lays next to the dead Japanese soldier as the Marines take Peleliu airfield.

A Japanese soldier fires his Nambu Type 99 in Part 7.

Nambu Type 92 Heavy Machine Gun

Japanese forces are also seen engaging the Marines at Peleliu with Nambu Type 92 Heavy Machine Guns.

Nambu Type 92 Heavy Machine Gun - 7.7x58mm.

Japanese forces are armed with the Nambu as they prepare to engage the Marines at the Peleliu airfield in Part 6.

A Japanese soldier fires the Nambu.

Shotguns

Winchester 1897 Trench Gun

One of the weapons used by the Marines during the battle of Guadalcanal is a Winchester Model 1897 shotgun.

Winchester Model 1897 "Trench Gun" - 12 gauge

Heavy Weapons

M1 Mortar

A 81 mm M1 mortar with its crew is seen on the left in Part 6.

M2 Mortar

Eugene Sledge (Joseph Mazzello) is part of a M2 Mortar team. During the battle of Peleliu, he and the rest of the team are seen carrying the different parts of the weapon and then seen firing it when the Marines cross the airfield.

R.V. Burgin (Martin McCann) attaches the mortar sight as he and Merriell 'Snafu' Shelton (Rami Malek) prepare the use the M2 Mortar.

Merriell 'Snafu' Shelton (Rami Malek) sights the M2 Mortar.

Sledge just after he "hangs" a mortar round.

Type 89 "Knee Mortar"

Type 89 "Knee Mortar" (technically grenade launchers) are used by Japanese soldiers who defend the Peleliu airfield.

Type 89 "Knee Mortar". In reality it was translated as "Leg Mortar" but poor translation changed it to Knee. This resulted in many GIs trying out captured ones by firing them from the knee, which led to multiple injuries.

The Type 89 Knee Mortar lays next to the dead Japanese soldier on the far left as the Marines take Peleliu airfield.