Sub-caliber training is used to save wear and expense when training with a larger gun by use of smaller weapons (sometimes, but not always, with very similar ballistic characteristics). The smaller weapons could be inserted into the larger weapon's barrel, externally attached to the barrel or mounted above the weapon.
Examples include
2.25-Inch Sub-Caliber Aircraft Rocket to train aircraft pilots to shoot aerial rockets that emerged during WWII, or the M303 Sub-Caliber insert for the
M120 mortar
The Soltam K6 is a 120 mm (4.75 inch) mortar that was developed by Soltam Systems of Israel. It is the long-range version of the Soltam K5 and has replaced older systems, such as the M30, in several armies, including the United States Ar ...
that allows the mortar to use ammunition
MORTARS - DEPARTMENTS OF THE ARMY TECHNICAL ORDER 11W2-5-13-21
/ref> or the M49A1 sub-caliber device, which used 7.62×51mm NATO
The 7.62×51mm NATO (official NATO nomenclature 7.62 NATO) is a rimless, straight walled, bottlenecked, centerfire rifle cartridge. It is a standard for small arms among NATO countries.
First developed in the 1950s, the cartridge had first be ...
rifle rounds in the M67 recoilless rifle. These devices/weapons have been used for guns as large as the main guns of battleship
A battleship is a large, heavily naval armour, armored warship with a main battery consisting of large naval gun, guns, designed to serve as a capital ship. From their advent in the late 1880s, battleships were among the largest and most form ...
s.
See also
* Caliber conversion sleeve
*Spotting rifle
A spotting rifle or ranging gun is a small-calibre rifle used as a ranging device for artillery. The ballistics of the spotting rifle are matched to those of the artillery piece, so that if a shot from the spotting rifle lands on the target, it m ...
* Cadet trainer
*
*List of established military terms
This is a list of established military terms which have been in use for at least 50 years. Since technology and doctrine have changed over time, not all of them are in current use, or they may have been superseded by more modern terms. However, th ...
*Military education and training
Military education and training is a process which intends to establish and improve the capabilities of military Military personnel, personnel in their respective roles. Military training may be voluntary or compulsory duty. It begins with recru ...
* Weapon effects simulation
* Range-finder painting
References
Military education and training
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