carbine rifle

Winchester M1895 Russian contract rifle

Designed by John M. Browning c.1895, manufactured by Winchester Repeating Arms Co. c.1915-17 for the Russian empire.
7,62x54mmR 5-round internal box magazine, lever action repeater, stripper clip guide, bayonet lug, full military-style forestock.

Good things happen when you take hunting weapons and militarize them, it’s like trench guns. Visually good things if anything.

Conversion Gun

Sawn-off Mosin-Nagant M91/30 rifle with SKS rifle grenade launcher, AK-series pistol grip and Burris red dot sight.
7,62x54mmR 5-round internal box magazine, bolt action.

I’m ashamed to say it but I kind of like it, it’s like taking a modern compact gun and replacing everything modern with old wood and steel. Plus come on it’s a Mosin-Nagant who cares if it’s defaced, you can get 5 for 3 at Walmart.

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Moschetto per Truppe Speciali con Tromboncino modello 91/28 - Carcano carbine with grenade discharger

Manufactured in Italy c.1928-34 as a Carcano-mounted assault mortar, but quickly phased out for a more conventional artillery piece.
6,5x52mm Carcano 6-round en-bloc clip, bolt action repeater, 45cm long specialist carbine barrel.
38,5mm 180g S.R.2 fin-stabilized fuse bomb, loaded through the muzzle in a spiggot mortar, propelled by a Carcano single-shot bolt action loaded with a live 6,5x52mm round, 100-200m range.

S.R.2 grenade

A very interesting weapon prefacing the development of under-barrel grenade launcher, but with obvious quirks that were common in such innovative designs of the era. The M91/28 used a single trigger linked to both Carcano action, but was used with only one bolt at a time to avoid accidental discharge - you could technically use two of them but the rifle’s bolt handle would interfere with the grenade discharger’s bolt. The sights are likewise used for both weapons, with their own sets of graduations.
An interesting note to make is the use of the term blunderbuss to identify rifle-mounted cup mortars in both French and Italian armies of the early 20th century.

Sauce : Forgotten Weapons, ModernFirearms.net

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Kammerlader M1864 pistol-carbine

Manufactured in Norway c.1864 by the Kongsberg Vapenfabrikk - no serial number.
11,77mm cap and ball, underhammer breechloading action, removable stock, 430mm barrel and removable stock, hexagonal Witworth rifling.

The Kammerlader was the second breechloading main infantry gun to be adopted by any major power, with its first iteration entering service in 1842. The design was slightly updated in 1860 with a 5mm decrease in caliber, although the action remained largely unchanged.
To load a Kammerlader system firearm, the shooter must cock the hammer -located below the gun’s breech - and pull the crank on the right side of the gun over and towards himself. This exposes the eponymous chamber as pictured below.

The shooter then loads this chamber much like a Colt percussion revolver. Soldiers were issued paper cartridges containing a pre-measured black powder charge, with its spent paper being used as wad. A bullet would then be rammed on top, and a percussion cap placed on the nipple under the chamber, before the shooter could crank the gun back into battery.

Sauce : svartkrutt.net ; kvf.no

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The Commission Rifle Part IV — The Karabiner 88 and Gewehr 91

In case you missed Part I, Part II, Part III

After the Germans had fixed the flaws of the Gewehr 88 to their satisfaction, it was now time to create carbine variants for cavalry and artillery troops.  Thus in 1890 Germany introduced the Karabiner 88, a carbine variant of the Gewehr 88 made specifically for mounted troops.  The Kar 88 was made to be more shorter, lighter, and more compact than the Gew 88, with a barrel length of a little more than 17 inches, an overall length of 38 inches, and a weight of 6.5 pounds. The Kar 88 was more than just a shortened version of the Gew 88, but instead utilized some interesting features which made it specifically suited for use on horseback.  Cavalry troopers tended to carry their carbines in a sheath behind the back or in a saddle holster.  The Kar 88 was designed to have a streamlined profile with features which prevented snagging when being removed from a holster.  The barrel jacket was tapered, being thicker at the chamber and narrowing towards the muzzle.  The front sight featured a half shroud to protect it, again from snagging.  Instead of a tradition knob type bolt handle, the Kar 88 used a spoon handle type bolt which was typically common on German and Austrian sporting rifles.  As an aside I must admit that I really love spoon handle bolts. Again this feature was intended to prevent snagging, however it’s downside was there was very little clearance in between the bolt and the side of the rifle, making it more difficult to work the bolt.

The Kar 88 became a handy dandy carbine favored not only by cavalry, but also military police and other rear echelon units.  Artillery soldiers also needed a carbine.  While artillery typically operate out of the way of frontline combat, they still needed a light, compact rifle to defend themselves against surprise attacks, especially from flanking cavalry.  The German Army really didn’t want to develop and issue a third model of the Gewehr 88, nor did industry really want to produce it.  So, Germany just issued artillery troops the Kar 88 with one major difference.  Artillery soldiers usually don’t carry their rifles with them when they are operating their big guns.  Despite being carbines they still get in the way of efficient artillery operations.  Instead artillery troops tend to stack their rifles nearby.

Thus, artillery troops were issued the Gewehr 91, which was simply the Kar 88 with a stacking rod.

Both the Kar 88 and Gewehr 91 would serve with the German Army well into World War I.  It was loved by all who were issued, so much so that when the Gewehr 88 was phased out as a reserve rifle during World War I, both carbines continued to be issued in large numbers despite the introduction of carbines based on the newer Gewehr 98.

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M1 carbine with M3 infrared scope

Manufactured by Inland Manufacturing Division of General Motors, scope by American Optical Co. c.1944 - serial number 345402.
7.62×33mm/.30 Carbine 15-round removable box magazine, gas operated semi-automatic, 20k Volt infrared light with 175m range infrared scope, additional foregrip.

Developed at the end of WW2, but also used in the subsequent conflicts involving America, the M3 scope resulted in one of the very first nigh-vision firearm with the German StG44 Vampir system.
As far as I understand it wasn’t mounted on the M1 Garand because of its limited range being better suited to its carbine counterpart.