Description and Rules for the Management of the U. S. Magazine Rifle Model of 1898 and Magazine Carbine Model of 1899, Caliber .30

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U.S. Government Printing Office, 1917 - Rifles - 74 pages
 

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Page 55 - The best method of applying oil is to rub with a piece of cotton cloth upon which a few drops of oil have been placed, thereby avoiding the use of an unnecessary amount of oil; this method will, even in the absence of the oiler, serve for the cams and bearings, which should be kept continually oiled.
Page 18 - E, which reduces the charring effect of a heated barrel on the stock; hole for butt plate screw, small, and seat for the butt plate tang F ; butt swivel plate seat G; mortise for receiver tang lug and hole for rear guard screw H; mortise for sear and slot for trigger I; cut-off...
Page 53 - ... and allow to drain. It is believed that more rifles are ruined by improper preparation for storage than from any other cause. If the bore is not clean when oiled — that is, if powder fouling is present or rust has started — a half inch of cosmic on the outside will not stop its action, and the barrel will be ruined.
Page 54 - It is a fact recognized by all that a highly polished steel surface rusts much less easily than one which is roughened; also, that a barrel which is pitted fouls much more rapidly than one which is smooth. Every effort, therefore, should be made to prevent the formation of pits, which are merely enlarged rust spots, and which not only affect the accuracy of tie arm but increase the labor of cleaning.
Page 54 - Neither of these ammonia solutions has any appreciable action on steel when not exposed to the air, but if allowed to evaporate on steel they attack it rapidly. Care should, therefore, be taken that none spills on the mechanism and that the barrel is washed out promptly with soda solution. The first application of soda solution removes the greater portion of the powder fouling and permits a more effective and economical use of the ammonia solution. These ammonia solutions are expensive and should...
Page 55 - If gas escapes at the base of the cartridge, it will probably enter the well of the bolt through the striker hole. In this case the bolt mechanism must be dismounted and the .parts and well of the bolt thoroughly cleaned. Before assembling the bolt mechanism, the firing pin, the barrel of the sleeve, the body of striker, the well of bolt, and all cams should be lightly oiled.
Page 39 - THE ASSEMBLED PARTS AND THEIR OPERATIONS. Most of the operating parts may be included under the Bolt Mechanism and Magazine Mechanism. The 'Bolt Mechanism consists of the bolt, sleeve, sleeve lock, extractor, extractor collar, safety lock, firing pin, firing pin sleeve, striker, and mainspring.
Page 18 - The large hole in the butt is for decreasing weight, and the smaller one is a pocket for the combination oiler and thong case or spare part container. The initials of the inspector and the year of fabrication are stamped on the left side in the rear of the cutoff thumb piece recess. The HAND GUARD, Fig. 86, right side, and Fig. 87, bottom or inner surface, has the swell A...
Page 53 - Ammonium persulphate — 60 grains, one-half spoonful smoothed off. Ammonia, 28 per cent — 6 ounces, or three-eighths of a pint, or 12 spoonfuls. Water — 4 ounces, or one-fourth pint, or 8 spoonfuls. Dissolve the ammonium persulphate in the water and add the ammonia. Keep in tightly corked bottle; pour out only what is necessary at the time, and keep the bottle corked.
Page 45 - The bolt can not be drawn fully back, and its front end projecting over the rear end of the upper cartridge holds it down in the magazine below the action of the bolt. The magazine mechanism then remains inoperative, and the arm can be used as a single loader, the cartridges in the magazine being held in reserve.

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