McGlashan Air Machine Gun

McGlashan Air Machine Gun
Type BB machine gun
Place of origin United States
Service history
In service 1940 - 1945
Used by USAAF
US Navy
Wars World War II
Production history
Designer Paul V. MacGlashan
Designed 1940
Manufacturer McGlashan Air Machine Gun Company
Unit cost $110 to $180 range (depending on accessories)
Produced 1940 - 1944
Number built 2680 estimated
Variants 3 (Navy, E-3, E-13)
Specifications (Air Corps Spec 24733 Trainer - Aerial Gunnery, Type E-3
                      U.S. Army Spec 94-24733 Trainer - Aerial Gunnery, Type E-3   
                      U.S. Army Spec 94-24733, Amendment 1 
                      U.S. Army Spec 94-24733-A Trainer-Aerial Gunnery, Type E-3
                      AAF Spec 24872  Trainer - Aerial Gunnery, Type E-13   
Navy Spec 89878 for the "N" model has not been found.)
Cartridge BB
Cartridge weight about 0.34 g
Caliber about .177 in (4.5 mm)
Barrels 1
Action blowback using compressed air
Rate of fire up to 600 rpm
Muzzle velocity up to 600 ft/s (180 m/s), depending on air pressure
Effective firing range normally 1,000 in (25 m)
Feed system ratchet
Sights Iron or optical (1 X)

The McGlashan BB Machine Gun is a training weapon capable of firing BBs.

During World War II, the USAAF and US Navy used thousands of MacGlashan BB machine guns to hone the skills of aerial gunnery. This much larger gun is cycled by an electric solenoid and powered by compressed air. The air pressure is higher, at 180-200 psi, but the velocity is 500 to 600 ft/s (150 to 180 m/s)

The MacGlashan Air Machine Gun company also made a McGlashan Coin Shooting Pistol for the carnival trade during the 1940s that would shoot American five cent pieces.

[1][2] [3]

References

  1. http://www.macglashanbbgun.com/ (see bibliography under History)/
  2. Air Machine Guns by Larry Behling.
  3. http://www.coinshootingpistol.com/
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