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Submachine Gun

"Ingram" MAC - 10/11

"Ingram" MAC-10  (.45 ACP)

Model "Ingram" MAC-10 "Ingram" MAC-11
Caliber 9 / 11.43 mm 9 mm
Cartridge type 9x 19 mm (Para) / .45 ACP 9 x 17 mm (.380 ACP)
Dimensions and weight
Total weight (with empty magazine) 2 840 g 1 590 g
Overall length 548 mm 460 mm
Length (with folded butt-stock) 269 mm 248 mm
Barrels length 146 mm 129 mm
Fire characteristics
Bullets initial speed 330 / 280 m/s 293 m/s
Rate of fire 1 145 / 1 090 rpm 1 200 rpm
Practical rate of fire 100 rpm 100 rpm
Magazine capacity 30 / 32 rounds 16, 32 rounds
Sighting range 100 m 100 m
Submachine guns "Ingram" MAC-10 and MAC-11 are developed by United States constructor Gordon B. Ingram. Models 10 and 11 differs only in used cartridge type, weight and barrels what is determined by used cartridge type. MAC-10 uses 11.43 mm (.45 ACP) or 9 x 19 mm Para. Modification MAC-11 uses 9 x 17 mm (.380 ACP) this model has smaller dimensions and weight. It was intended for special forces and police. Now it is used by US, United Kingdom, Portugal Armed Forces and a number of Latin-American countries armed forces.

"Ingram" MAC-10 (9 x 19 mm Para) Submachine gun has very technologically simple construction. Its serial production began in year 1970 in Atlanta city. Barrels box is made using stamped steel and has rectangular shape. Automatics work on free lock's returning principle. "Ingram" MAC-10 executes single automatic fire, while MAC-11 only automatic. Its lock has rectangular shape as well and it is covering barrel what allowed to decrease submachine gun's dimensions with the same barrels length. Reloading handle is placed on the barrel's box what allows to reload weapon using any hand. When fire is executed it stays stable.

"Ingram" is reliable because of its heavy barrel and simple construction. It is said that "Ingram" is fully reliable placed for a long time under water. Small dimensions allow to carry it secretly. Well balanced weapon allows executing fire using one hand.

Cartridge-case extraction window is placed from the right side. When fire isn't executed it is closed by barrels frame. "Ingram" has two safety-locks. First serves as reloading handle. It must be turned in 90 degrees to unblock submachine guns lock. When it is turned on there is no clear sighting vision, this signalize that safety-lock is turned on. Second safety switch is placed near the trigger. While it isn't pushed-in lock is also blocked. When barrel is in the front side all openings are closed preventing dirt getting in. Every "Ingram" mechanism stay reliable for a long time and in any conditions opposite to other western weapons.

Magazine is inserted in pistol handle. "Ingram" MAC-10 It increases weapons balance and allows to execute fire using one hand. "Ingram" MAC-10, 9 x 19 mm Para uses 30 rounds magazines. High capacity magazines allow to reach high practical rate of fire. However this factor is a disadvantage at once as submachine gun uses too much ammunition.

Every MAC submachine guns have pulled-off original construction folding butt-stock. It greatly effects on fire accuracy and makes use more comfortable. However such frame butt-stock isn't comfortable enough. However there were developed versions fitted with wooden butt-stock.

Main "Ingram" disadvantages: it is uncomfortable to hold from both hands, as hands are placed nearly, it becomes hard to compensate recoil power and to aim. Joining all the negative factors, they noticeably decrease fire accuracy.

Opened sight is placed on the barrels box. Weather barrel is longer, sight is placed at the end of the barrel. Subsonic bullet's speed made suppressor quiet effective. Both models have barrels screws indented to use the same company MAC suppressor. Models can be fitted with longer barrels and special suppressors. Sound suppressors can be also successfully used as additional handle, increasing fire accuracy as well.

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