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M1E1- modified cam angle in op-rod
M1E2- prismatic scope and mount
M1E3- roller added to bolt’s cam lug (later adapted for use in the M14)
M1E4- gas cut-off and expansion system with piston integral to op-rod
M1E5- 18-inch barrel and folding stock
M1E6- sniper variant
M1E7/M1C- M1E6 Garand variant; sniper variant with M81 scope (though the M82 or M84 scope could be used) on a Griffin and Howe mount
M1E8/M1D- M1E7 Garand variant; sniper variant with M82 scope (though the M84 scope could be used) on a Springfield Armory mount
M1E9- similar to M1E4, with piston separate from op-rod
M1E10- variant with the "Ljungman" direct gas system
M1E11- short-stroke Tappet gas system
M1E12- gas impingement system
M1E13- "White" gas cut-off and expansion system
M1E14- rechambered in .30 T65/7.62 × 51 mm NATO with press-in chamber insert
T20- select-fire conversion by John Garand, capable of using BAR magazines
T20E1- T20 variant; uses its own type of magazines
T20E2- T20 variant; E2 magazines will work in BAR, but not the reverse
T20E2HB- T20E2 variant; HBAR variant
T22- select-fire conversion by Remington, magazine-fed
T22E1- T22 variant; unknown differences
T22E2- T22 variant; unknown differences
T22E3- T22 variant; unknown differences; uses T27 fire control
T26- 18-inch barrel and standard stock
T27- Remington select-fire field conversion for M1 Garand; ability to convert issue M1 Garands to select-fire rifles; fire control setup used in T22E3
T35- rechambered for .30 T65/7.62 × 51 mm NATO
T36- T20E2 variant; T20E2 rechambered for .30 T65/7.62 × 51 mm NATO using T35 barrel and T25 magazine
T37- T36 variant; same as T36, except in gas port location

Descendants
As stated earlier, the M1 Garand was the direct predecessor of the M14 rifle that replaced it. During the 1950s, Beretta developed the BM-59 series of rifles, which would also be produced, under license, in Indonesia as the "SP" series. Ruger produced the Mini-14 rifle, which utilizes a reduced-size operating system and a different gas system. The AK-47 was developed from an earlier Kalashnikov carbine which heavily drew from the Garand design; particularly, the locking system with its rotating bolt is based on Garand's design. The AK-47 also uses a highly simplified form of the Garand trigger group.
Despite similarities in naming, there is no relationship between the M1 Garand and the M1 Carbine, other than a similar rotating bolt design. Additional confusion may come from the adoption of several other "M1" weapons ("M" being an abbreviation for Model), such as the M1 Thompson submachine gun and M1 Abrams tank.

Loading the Rifle
a. Single round. To load a single round, pull the operating rod all the way to the rear. While holding the muzzle below the horizontal, place a round in the chamber an seat it with the thumb. With a knife edge of the right hand against the operating rod handle, force the operating rod slightly to the rear. Push down on the follower assembly with the right thumb and allow the bolt to ride forward. Remove the thumb from the follower assembly and release the operating rod handle, allowing the operating rod to go all the way forward.
b. Full clip. To load a full clip, hold the rifle at the balance with the left hand and pull the operating rod handle all the way to the rear. Place the butt of the rifle against the thigh or on the ground. With the right hand, place a full clip on top of the follower assembly. Place the thumb on the center of the top round in the clip and press the clip straight down into the receiver until it catches. Swing the right hand up and to the right to clear the bolt in its forward movement. Note that the operating rod is not held to the rear during loading since there is no danger of it going forward as long as pressure is maintained on the top round in the clip. It may be necessary to strike forward on the operating rod handle with the heel of the right hand to fully close and lock the bolt.
c. Partially filled clip. To load a partially filled clip, hold the rifle in the same manner prescribed for a full clip. With the operating rod all the way to the rear, place an empty clip into the receiver. Place the first round into the clip and on the follower, to the left of the follower slide. Press the second round into the clip, exerting a downward, turning motion until the round snaps into place. Load the remaining rounds in the same manner. With the knife edge of the the right hand against the operating rod handle force the operating rod slightly to the rear. Push down on the top round with the right thumb, allowing the bolt to start the top round forward. Remove the right hand and allow the operating rod to go forward.

Unloading the Rifle
a. To unload a round from the chamber, support the rifle butt on the thigh or on the ground; with the right hand grasp the operating rod handle and pull the operating rod slowly to the rear. At the same time, place the left hand, palm down, over the receiver to catch the round as it is ejected. This keeps the round from falling into the dirt or away from your position.
b. To unload a filled or partially filled clip, unload the round that is in the chamber as described in (a.) above. When the operating rod reaches its rearmost position, hold it there. Place the palm of the left hand over the receiver and depress the clip latch with the left thumb, allowing the clip to be ejected up into the hand, Do not relax the rearward pressure on the operating rod handle until after the clip has been removed.

Loading Rounds into a Clip
a. Insert eight rounds into the clip, holding the clip, open end upward, and the rounds in palm of your left hand. Start placing the rounds in from the lower left of the clip and make sure that each round is against the rear wall so that the inner rib of the clip engages the extracting groove of each round. The top round will then be on the right, making the clip easier for a right handed firer to load in the rifle. For the same reason, clips are loaded this way at arsenals.
b. Each time rounds are loaded into a clip, the clip should be checked for long rounds. If one rounds extends beyond the others, it will be hard to load the clip into the rifle. The long round should be seated by removing the top round, pushing the long round into place and then replacing the top round. Tapping the bullet against a solid surface to seat the long round may result in the bullet being pushed back into its cartridge case. This may damage the bullet or break the bullet seal which could result in changes in the ballistic performance of the round.

Functioning of the Rifle
a. The trigger must be pulled to fire each round. When the last round is fired, the empty clip is automatically ejected and the bolt remains to the rear.
b. Each time a round is loaded and fired, many parts inside the rifle work in a given order. This is known as the cycle of operation. This cycle is similar in all small arms. A knowledge of what happens inside the rifle during this cycle of operation will help the soldier understand the cause of and remedy for various stoppages.
c. The cycle of operations is broken down into eight steps. These steps are listed below, together with a brief description of what actually occurs inside the rifle during each step. Assume that a full or partially filled clip has been loaded into the rifle and that the first round has been fired and the bolt is in its rearmost position.

Cycle of Operation
1. Feeding. Feeding takes place when a round is moved into the path of the bolt. This is done by the follower assembly exerting an upward pressure on the bottom round in the clip. The follower assembly is continuously forced up by the pressure of the operating rod spring through the follower rod and the follower arm.
2. Chambering. Chambering occurs when a round is moved into the chamber. This takes place as the bolt goes forward under pressure of the expanding operating rod spring, picking up the top round in the clip and driving it forward into the chamber. Chambering is complete when the extractor snaps into the extracting groove on the cartridge case and the ejector is forced into the face of the bolt.
3. Locking. Locking is complete when the bolt is fully closed. This prevents the loss of gas pressure until the bullet has left the muzzle. The bolt is locked by the rear camming surface in the recess in the hump of the operating rod, forcing the operating lug of the bolt down. This engages the locking lugs on the bolt with their recesses in the receiver.
4. Firing. Firing occurs when the firing pin strikes the primer. As the trigger is pulled the trigger lugs are disengaged from the hammer hooks and the hammer is released. The hammer moves forward under the pressure of the hammer spring and strikes the tang of the firing pin, driving the firing pin against the primer and firing the round.
5. Unlocking. Unlocking occurs after the firing of the round. As the bullet is forced through the barrel by the expanding gas, a small portion of the gas escapes through the gas port into the gas cylinder, forcing the operating rod to the rear. The camming surface inside the recess in the hump of the operating rod forces the operating lug of the bolt upward, disengaging the locking lugs from their recesses in the receiver. The bolt is thus unlocked and ready to be moved to the rear.
6. Extracting. Extracting is pulling the empty cartridge case from the chamber. The extractor, which is engaged with the extracting groove on the cartridge case, withdraws the empty case as the bolt moves to the rear.
7. Ejecting. Ejecting is throwing the empty case from the rifle. As the bolt moves to the rear, withdrawing the case from the chamber, the round is held in place by the chamber walls. When the mouth of the empty case clears the chamber, it is ejected up and to the right by the expanding ejector spring and ejector.
8. Cocking. Cocking occurs when the hammer is forced into the proper position for firing the next round. This happens as the bolt continues to the rear. The rear end of the bolt forces the hammer back and rides over it. The hammer is caught by the sear if the trigger is still held to the rear, but it is caught by the trigger lugs if trigger pressure has been released.

Bayonet
MODEL 1905.
Made by Springfield Armory and Rock Island Arsenal from 1906-1922. 16" blade, originally bright polished finish, then blued, then parkerized. Scabbards were the Model 1905 (all leather) and Model 1910 (canvas and leather)
M1
10" Parkerized finish. Made by American Fork and Hoe, Oneida Limited, Union Fork and Hoe, Pal Blade and Tool, Utica Cutlery. 1943-1945. Some production in 1953. M7 scabbard
M5/M5-1/M5A1
6" blade. Made by Aerial Cutlery, J&D Tool, Imperial Cutlery, Milpar Columbus, and Utica Cutlery. Adopted in 1953.
MODEL 1905
Same as above with 16" blades. Parkerized finish. Not nearly as well made as the arsenal made bayonets. Made by commercial contractors. Made by Utica Cutlery, Oneida Limited, Wilde Drop Forge and Tool, Pal Blade and Tool, American Fork and Hoe, and Union Fork and Hoe. Scabbards same as above plus the M3 fiber scabbard adopted 1941. 1942-1943
MODEL 1905E1
16" blades as noted above and cutdown to 10" blades. Cutdown by same commercial contractors which made the WW2 production M1905. 1943 M3 scabbard cut down to 10" with nomenclature M3A1.

Grenade Launcher (M7/M7A1/M7A3)
It was fit onto the barrel using the M7 spigot. It was sighted using the M15 sight, which fit just forward of the trigger. A cleaning tool, oiler and greasepots could be stored in two cylindrical compartments in the buttstock for use in the field. Because of the limitations of the Garand's clip-loading magazine, the rifle proved less than ideal for use in launching grenades, and the M1903 Springfield was retained for use in that role long after grenade launchers for the Garand became available.

Winter Trigger
It is said to have been developed during the Korean War. It consisted in a small mechanism installed on the trigger guard, allowing the soldier to remotely pull the trigger by depressing a lever just behind the guard. This enabled the shooter to fire his weapon while using winter gloves, which could get "stuck" on the trigger guard or not allow for proper movement of the finger. The device, however, left the trigger completely exposed, and it is unlikely that the mechanism was left mounted, as it could easily cause the rifle to be fired accidentally.





Combo Tool
Known as "Tool, combination, screw driver, wire brush, and bolt assembly and disassembly", this can be stored in the buttstock of the M1 Garand rifle and it is a veritable toolbox of useful items. The combo tool can be used to do the following tasks:
removal and replacement of the gas cylinder lock screw, removal and replacement of other screws such as the buttplate screws, seating the rear sight base, extract cartridge case, remove various pins, aid in removing or assembling ejector, aid in removing or assembling extractor, clean the barrel chamber







Buttstock Cleaning Kit

Includes: Steel cleaning rod Gas port tool Oil and solvent bottle Grease
Bore brush Patch tip










Cartridge Belt (M1923)
10 pocket Garand Cartridge belt. The belts were used to transport 30-06 ammunition.