th bayonet
it is 59.212 inches long.

"Manufacture. The United States Rifle is manufactured by the
Government at Springfield Armory, Massachusetts, and Rock Island
Arsenal, Illinois.

"Rear Sight Leaf. Graduated from 100 to 2850 yards. The odd range is
on the right branch of the leaf, the even on the left. Note that the
line corresponding to a range is below a numeral.

"Battle sight is the position of the rear sight in which the leaf is
laid down. The slide should be drawn all the way hack to secure full
advantage of the windage. It corresponds to a range of 547 yards.

"Rounds. The rifle will hold six cartridges. Five are carried in the
magazine and one in the chamber.

"Stock. Made of walnut wood.

"Oiler and Thong Case. Furnished for every alternate rifle and is
carried in butt of the stock. In one section is a supply of oil, in the
other a thong and brush for cleaning the bore. In cleaning by this
method draw the brush or rag from the muzzle toward the breech.

"Weight. 8.69 pounds without bayonet. Bayonet weighs 1 pound.

"AMMUNITION

"Cost. About three and one-half cents per cartridge.

"Bullet. Has a core of lead and tin composition inclosed in a jacket
of cupro-nickel. The jacket being tough enables the lands in the bore to
grip the bullet without rupturing and to rotate it while passing through
the barrel. A lead bullet unjacketed would strip and pass through
without rotating. It weighs 150 grains and is pointed to offer less
resistance to the air.

"Case. Made of brass. The government ammunition is manufactured at
Frankford Arsenal, Pennsylvania.

"Powder. Pyrocellulose. The grains are cylindrical, single,
perforated, and graphited. Normal charge is 47-50 grains. Pressure
developed in the chamber is 51,000 pounds per square inch.

"Penetration. This bullet will penetrate the following materials to
depth stated at range of 100 yards: Moist sand, 14.02 inches; loam,
17.46 inches; oak, 31.18 inches; brick wall, 5.5 inches; steel plate, .4
inch. Dry sand is the best stop. The bullet will penetrate 6.88 inches
of it at 100 yards and 13.12 inches at 500 yards.

"Range. Maximum range, 4891.6 yards, about 2-3/4 miles) with the
muzzle elevated 45 degrees. The time of flight 38.058 seconds.

"Velocity. About 2700 feet per second at 70 degrees F.

"Weight. A complete cartridge weighs 395.5 grains depending on amount
of water. It is waterproof."

ESTIMATING DISTANCE

Suppose you are out hu