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What is the definition of "Small-bore", and, what is a "Miniature Rifle"?
Would you consider yourself to be a small-bore shot?
Today's understanding of the term "small-bore" is largely attributed to such calibres as the .22in. Rimfire family of cartridges
In days past, "small-bore" referred to any calibre significantly less than .577".
What now constitutes small-bore would once have been descibed as "miniature calibre"
Going back barely two or three generations, a .451" Whitworth target rifle, similar to that shown being fired below, fell firmly into the small-bore category. At that time, almost all modern military small-arms, now considered to be full-bore, would have joined it.
If recoil was a factor in the assessment of the term, modern gas operated rifles would come even lower on the scale. Today's infantry woman has little difficulty with an SA80 personal weapon. But not too many ladies are to be seen on a firing point at a current historic rifle meeting with a small-bore rifle of yesteryear. There are a few notable exceptions, but even some "fellers" treat such as the Whitworth rifle shown below with considerable respect. A 500-plus grain bullet and 60-100 grains of blackpowder are not to be treated lightly compared with a modern .22" small-bore bullet of about 40 grains. (The .577 small hollow-base Whitworth bullet weighs 865 grains using around 100-120 grains of Black Powder).
The elbow of the firer below is no longer in the same position that it was before he pulled the trigger! Another photograph taken from the side (not shown) shows clear air under both elbows!
The most likely general translation of this would probably be that of a modeller, who would hold an expectancy that a small scale replica of a rifle was the subject under discussion; (such as the 7" long walnut and steel hand-made model of an Anschutz 1411 shown above with a proportionate full-size .22 Long-Rifle cartridge beneath) .
From a shooting standpoint, the term "Miniature Rifle" is borne out of the mid to late Nineteenth Century need to distinguish between the contemporary understanding of "full-bore" or "small-bore" rifles , and those "miniature" calibre rifles especially designed for short range training and target shooting purposes - usually at distances between 10 (often under cover) and 100 yards, but very occasionally at 200 yards, - as well as for those rifles intended for light sporting or vermin use.
Rifles in calibres such as .22 rimfire became the norm, but not before a multiplicity of other cartridges had become described as "miniature". These included the well-known Morris cartridges in .297/.230 inch calibre, several cartridges in .300 calibre - some of American origin - and the .310 'Cadet' cartridge used by models of the Commonwealth Cadet rifle, and of the B.S.A. Model No.4 rifle.
To further illustrate the point, we show another "scale model" of a rifle. This time a Mannlicher sporting rifle of just under half-scale, with a proportionately displayed actual-size full-bore round.
Both (non-firing) models shown here have working bolts, but only partly drilled barrels. The Mannlicher is one of a small number built by the manufacturer for distribution to selling agents as display items.
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