| U.S. Army designation |
U.S. Navy designation |
Description |
| T1 |
N/A |
Prototype |
| T1E1 |
N/A |
A single trial rifle that broke its bolt in the 1931 trial |
| T1E2 |
N/A |
Trial designation for gas-trap Garand. Basically a T1E1 with a new bolt. |
| M1 |
N/A |
Basic model. Identical to T1E2. Later change to gas port did not change designation |
| M1E1 |
N/A |
M1 Garand variant; modified cam angle in op-rod |
| M1E2 |
N/A |
M1 Garand variant; prismatic scope and mount |
| M1E3 |
N/A |
M1 Garand variant; roller added to bolt’s cam lug (later adapted for use in the M14) |
| M1E4 |
N/A |
M1 Garand variant; gas cut-off and expansion system with piston integral to op-rod |
| M1E5 |
N/A |
M1 Garand variant; 18-inch barrel and folding stock |
| M1E6 |
N/A |
M1 Garand variant; sniper variant |
| M1E7/M1C |
N/A |
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 |
N/A |
M1E7 Garand variant; sniper variant with M82 scope (though the M84 scope could be used) on a Springfield Armory mount |
| M1E9 |
N/A |
M1 Garand variant; similar to M1E4, with piston separate from op-rod |
| M1E10 |
N/A |
M1 Garand variant; variant with the "Ljungman" direct gas system |
| M1E11 |
N/A |
M1 Garand variant; short-stroke Tappet gas system |
| M1E12 |
N/A |
M1 Garand variant; gas impingement system |
| M1E13 |
N/A |
M1 Garand variant; "White" gas cut-off and expansion system |
| M1E14 |
Mk 2 Mod 0 |
M1 Garand variant; rechambered in .30 T65/7.62x51mm NATO with press-in chamber insert |
| T20 |
N/A |
M1 Garand variant; select-fire conversion by John Garand, capable of using BAR magazines |
| T20E1 |
N/A |
T20 variant; uses its own type of magazines |
| T20E2 |
N/A |
T20 variant; E2 magazines will work in BAR, but not the reverse |
| T20E2HB |
N/A |
T20E2 variant; HBAR variant |
| T22 |
N/A |
M1 Garand variant; select-fire conversion by Remington, magazine-fed |
| T22E1 |
N/A |
T22 variant; unknown differences |
| T22E2 |
N/A |
T22 variant; unknown differences |
| T22E3 |
N/A |
T22 variant; unknown differences; uses T27 fire control |
| T26 |
N/A |
M1 Garand variant; 18-inch barrel and standard stock |
| T27 |
N/A |
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 |
Mk 2 Mod 2 |
M1 Garand variant; rechambered for .30 T65/7.62x51mm NATO |
| T36 |
N/A |
T20E2 variant; T20E2 rechambered for .30 T65/7.62x51mm NATO using T35 barrel and T25 magazine |
| T37 |
N/A |
T36 variant; same as T36, except in gas port location |
