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Garand T20

Springfield Armory · Rifle

Garand T20

Gas-operated · .30-06 Springfield · introduced 1944

Also known as T20E2, U.S. Rifle T20, Select-Fire M1 Garand

About the Garand T20

The Garand T20 is an experimental American select-fire battle rifle developed by John Garand at the Springfield Armory during 1944-1945 as a fully-automatic-capable evolution of the M1 Garand. Chambered in .30-06 Springfield, it used a slightly lengthened receiver, fed from detachable 20-round Browning Automatic Rifle (BAR) magazines, and added a fire selector and bolt hold-open device. In automatic mode it cycled at roughly 700 rounds per minute. The most refined variant, the T20E2, was approved for limited procurement in May 1945, but the end of World War II cut the order to 100 examples and the program was terminated in March 1948, with its lessons feeding directly into the later T44 and M14.

Designed by John Garand himself, the T20 answered a wartime call to give the GI the firepower of the BAR in a rifle-sized package. Had the war in the Pacific continued, the T20E2 was slated for mass production; its premature cancellation left the door open for the M14 a decade later.

Garand T20 specifications

General

Type
Rifle
Action
Gas-operated
Firing mechanism
Hammer-fired
Trigger
Single action
Calibres
.30-06 Springfield
Magazine capacity
20 rounds
Magazine
Detachable box magazine

Dimensions

Barrel length
610 mm (24.0 in)
Overall length
1226 mm (48.3 in)
Weight (empty)
4.36 kg (9.61 lb)
Weight (loaded)
5.67 kg (12.50 lb)

Barrel

Rifling twist
1:10 in (254 mm)
Rifling
Right hand
Grooves
4

Materials

Barrel
Steel
Receiver / frame
Steel
Stock
Wood
Finish
parkerized

Performance

Muzzle velocity (typical)
853 m/s (2799 fps)
Muzzle energy (typical)
4242 J (3129 ft·lb)
Effective range
500 m

History

Introduced
1944
Discontinued
1948
Production status
Prototype
Country of origin
US
Designer
John C. Garand

Features

  • Select fire
  • Detachable bar magazine
  • Fire selector
  • Bolt hold open
  • Scope mount provision
  • Grenade launcher compatible

Safety

  • Trigger guard safety

Full-automatic fire was achieved through a connector assembly actuated by the operating-rod handle. The receiver was machined and tapped on the left side for a scope mount and retained M1-pattern grenade-launcher hardware. The T20 is a direct conceptual ancestor of the M14.

This is a variant of the M1 Garand.

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