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Sturmgewehre (military arms channel) on youtube has posted a review of the Mosin Nagant 91/30 PU Sniper Rifle.

For the quality of the rifle, and the cost of the ammunition, the Mosin Nagant 91/30 looks like it would be difficult to beat.

From wikipedia

The Mosin-Nagant (Russian: Винтовка Мосина, ISO 9: Vintovka Mosina) is a bolt-action, internal magazine-fed, military rifle invented under the government commission by Russian and Belgian inventors, and used by the armed forces of the Russian Empire, the Soviet Union and various other nations.

Initial design and trials

During the Russo-Turkish War of 1877-78, Russian troops armed with mostly Berdan single-shot rifles engaged Turks with Winchester repeating rifles and suffered heavy casualties. This emphasized to commanders a need to modernize the Imperial army. The Russian Main Artillery Administration undertook the task of producing a magazine-fed, multi-round weapon in 1882. After failing to adequately modify the Berdan system to meet the requirements, a "Special Commission for the testing of Magazine fed Rifles" was formed to test new designs.

Sergei Ivanovich Mosin, a captain in the Imperial army, submitted his "3-line" calibre (.30 cal, 7.62 mm) rifle in 1889 alongside a 3.5-line design by Léon Nagant (a Belgian) and a 3-line design by captain Zinoviev. When trials concluded in 1891, the units which tested the rifles were split in their decision. The main disadvantages of Nagant's rifle were the following: more complicated mechanism, long and tiresome procedure of disassembling (which required special instruments - it was necessary to unscrew two screws). Mosin's rifle was mainly criticised for lower quality of manufacture and of materials used which resulted in a bit larger number of stoppages. The Commission voted 14 to 10 to approve Nagant's rifle. However, the head of the commission, General Chagin, insisted on subsequent trials held under the Commission's supervision during which Mosin's rifle showed its advantages, leading to its selection over the Nagant.

Technical Details

The Mosin has a commonality with Mauser rifles in that it uses two front-locking lugs to lock up the action. However that function is implemented in very different ways from the Mauser. The bolt assembly is multi-piece instead of unitary. It uses interchangeable bolt-heads just like the Lee-Enfield. Unlike the Mauser which uses so called "controlled feed", the Nagant has a recessed head for the cartridge base, what modern terminology calls "push feed". However unlike modern push-feeds which use a "plunger" ejector, the Nagant has a slotted head similar to Mausers. Also, the extractors are spring-loaded - unlike the fixed Mausers.

The bolt lift arc on the M-N is 90 degrees like the Mauser versus 60 on the Lee-Enfield. The major unusual feature of the M-N is the location of its bolt handle. Rather than connected to the bolt in the rear it actually protrudes out of the ejection/loading port. Furthermore, the handle is attached to a protrusion on the bolt which serves a similar function Mauser's "third" or "safety" lug.

The rifling is right turning (clockwise looking down the rifle) 4-groove with a twist of 1:9.5" or 1:10".
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