Editing M1 Garand (section)

===Quick reference===
{| class="wikitable"
! U.S. Army designation
! U.S. Navy designation
! Description
|-
|T1
|—
|Prototype
|-
|T1E1
|— 
|A single trial rifle that broke its bolt in the 1931 trial
|-
|T1E2
|— 
|Trial designation for gas-trap Garand; T1E1 with a new bolt.
|-
|M1
|— 
|Basic model. Identical to T1E2. Later change to gas port did not change designation
|-
|M1E1
|— 
|M1 Garand variant; modified cam angle in op-rod
|-
|M1E2
|— 
|M1 Garand variant; [[prismatic scope]] and mount
|-
|M1E3
|— 
|M1 Garand variant; roller added to bolt's cam lug (later adapted for use in the [[M14 rifle|M14]])
|-
|M1E4
|— 
|M1 Garand variant; gas cut-off and expansion system with piston integral to op-rod
|-
|M1E5
|— 
|M1 Garand variant; 18-inch (457&nbsp;mm) barrel, pistol grip and folding stock, for Airborne use 
|-
|M1E6
|— 
|M1 Garand variant; sniper variant
|-
|M1E7/M1C
|— 
|M1E6 Garand variant; M1C sniper variant with 2.2× magnification M73 scope (later modified as the M81, though the M82 or M84 scope could be used) in a [[Griffin & Howe]] mount affixed to the left side of the receiver requiring a leather cheek pad to properly position the shooter's face behind the offset scope<ref name=nra>{{cite journal |last=Canfield |first=Bruce N. |title=Better Late Than Never |journal=[[American Rifleman]] |volume=162 |date=September 2014 |pages=81–85}}</ref>
|-
|M1E8/M1D
|— 
|M1E7 Garand variant; M1D sniper variant with M82 scope (though the M84 scope could be used) in a [[Springfield Armory]] mount attached to the rear of the barrel allowing quick removal of the scope but similarly requiring the leather cheek pad<ref name=nra/>
|-
|M1E9
|— 
|M1 Garand variant; similar to M1E4, with piston separate from op-rod
|-
|M1E10
|— 
|M1 Garand variant; variant with the [[Ag m/42|Ljungman]] direct gas system
|-
|M1E11
|— 
|M1 Garand variant; short-stroke Tappet gas system
|-
|M1E12
|— 
|M1 Garand variant; gas port moved back approx. 6 inches
|-
|M1E13
|— 
|M1 Garand variant; "White" gas cut-off and expansion system
|-
|M1E14
|Mk 2 Mod 0
|M1 Garand variant; rechambered in [[7.62×51mm NATO]] with press-in chamber insert, enlarged gas port, and 7.62mm barrel bushing.{{sfn|Thompson|2012|p=38}}
|-
|T20
|— 
|M1 Garand variant; select-fire conversion by [[John Garand]], capable of using [[M1918 Browning Automatic Rifle|BAR]] magazines
|-
|T20E1
|— 
|T20 variant; uses its own type of magazines
|-
|T20E2
|— 
|T20 variant; E2 magazines will work in [[M1918 Browning Automatic Rifle|BAR]], but not the reverse
|-
|T20E2HB
|— 
|T20E2 variant; HBAR (heavy barrel) variant
|-
|T22
|— 
|M1 Garand variant; fully automatic select-fire conversion by [[Remington Arms|Remington]], magazine-fed
|-
|T22E1
|— 
|T22 variant; improved magazine release and bolt hold-open device
|-
|T22E2
|— 
|T22 variant; improved trigger group, gas cylinder, muzzle brake, and bipod
|-
|T22E3HB
|— 
|T22 variant; stock angled upwards to reduce muzzle climb; heavy barrel; uses T27 fire control
|-
|T23
|— 
|M1 Garand variant; upward angled stock like T22E3HB; standard clip fed.
|-
|T25
|— 
|T25 variant had a pistol grip: the stock angled upwards to reduce muzzle climb; and chambered for the new T65 .30 Light Rifle [[Cartridge (firearms)|cartridge]] (7.62×49mm).<ref name="RAY">{{cite book |title=Random Shots: Episodes In The Life Of A Weapons Developer |first=Roy E. |last=Rayle |date=2008 |location=Bennington, VT |publisher=Merriam Press |isbn=978-1-4357-5021-0 |pages=17–22, 95–95}}</ref>
|-
|T26
|— 
|M1 Garand variant; 18-inch (457&nbsp;mm) barrel and standard stock, 1 prototype made by Springfield Armory used for testing, proposed use was for airborne and jungle operations. 
|-
|PWB rifle
|— 
|M1 Garand variant; 18-inch (457&nbsp;mm) barrel and standard stock and shortened foregrip secured with M1903 barrel band. 150 made in the Pacific theater of operations upon request by the Pacific War Board for airborne and jungle use.<ref name="auto"/>
|-
|T27
|— 
|[[Remington Arms|Remington]] select-fire field conversion for M1 Garand; ability to convert issue M1 Garands to select-fire rifles; fire control setup used in T22E3
|-
|T31
|— 
|Experimental bullpup variant
|-
|T35
|Mk 2 Mod 1
|M1 Garand variant; rechambered for [[7.62×51mm NATO]]; While the majority used the standard ''en bloc'' clip, a small number were experimentally fitted with a 10-round internal magazine loaded by 5-round [[stripper clip]]s.<ref>Historicalfirearms. (2016, 5 February). The T35 side-loading Garand in 1951/52 Springfield... Historical Firearms. https://www.historicalfirearms.info/post/138754496306/the-t35-side-loading-garand-in-195152-springfield</ref>
|-
|T36
|— 
|T20E2 variant; rechambered for 7.62×51mm NATO using T35 barrel and [[M14 rifle#Early development|T25]] magazine
|-
|T37
|— 
|T36 variant; same as T36, except in gas port location
|-
|T44
|— 
|T44 variant; was a conventional design developed on a shoestring budget as an alternative to the T47.<ref name="RAY"/> With only minimal funds available, the earliest T44 prototypes simply used T20E2 receivers fitted with magazine filler blocks and re-barreled for 7.62×51mm NATO, with the long operating rod/piston of the M1 replaced by the T47's gas cut-off system.<ref name="RAY"/>
|-
|T47
|— 
|T47 variant; same as the T25, except for a conventional stock and chambered for 7.62×51mm NATO.<ref name="RAY"/>
|-
|}