Gauge 20
Gauge 20 is one of the most current gauges among the gauges employed in the shotguns. The retreat is less than with gauge 12 and 16 and, for this reason, are adapted often more for the gunners of small stature. It is about a gauge adapted particularly well to hunting for the small game, for which gauge 12 proves sometimes too powerful by destroying an important part of the venaison. Figure 20 corresponds to the number of spheres of the diameter of the heart of the gun which one can make with a lead book old. The diameter of the guns of the weapons barrack rooms gauges 20 of them is of 15,8 mm (0.615 inches in imperial measure).
In Europe, the length of the casings out of paperboard or plastic varies from 65 currently has 76 Misters Their load goes from 24 has 36 grams.
- the 65mm are usually charged has 24 grams of shot.
- the 67mm are usually charged has 26 grams of shot.
- the 70mm are usually charged has 28 or 30 grams of shot.
- the 76mm are usually charged has 34 or 36 grams of shot.
In America, the cartridges measure 2.75 or 3 inches, the first length being considered it standard cartouche. The available loads are of 7/8oz, 1oz and 1oz 1/8.
Gauge 20 is charged with Grenaille, Chevrotine or ball.
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