Inspection

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General 25

Inspection report 26

Tools for inspection 27

Rifle as a unit 28

Bolt group 29

Floor plate, magazine spring, and follower group 30

Stock group 31

Barrel group 32

Receiver group 33

Telescopic sight group (rifle M1903A4) 34

Bayonet M1905 35

Bayonet Ml 36

Bayonet scabbard M3 37

Bayonet scabbard M1910 38

Bayonet scabbard M7 39

Gun slings M1907 and Ml, and front sight cover 40

25* GENERAL.

a» Inspection is for the purpose of determining the condition of the materiel and whether repairs or adjustments are required to insure serviceability.

b. Before inspection is begun, the materiel should be thoroughly cleaned to remove any fouling, dirt, or other foreign matter which might interfere with its proper functioning. For instructions in care and cleaning and the materials used, refer to FM 23-10P TM 9-850, SNL K-l, and paragraphs 59 and 60 of this manuaL

26. INSPECTION REPORT.

a* The procedure to be followed relating to inspection is contained in TM-9 1100,

27. TOOLS FOR INSPECTION, a» General Toole. General tools used for inspection are listed in SNL B-3 as company accessories for the rifle. They are also listed and shown in SNL B-20 and are carried on the small arms repair truck. These tools require no explanation of their use, b. Special Toole. Special tools and gages used for inspection are listed and shown in SNL B-20 and are carried on the small arms repair truck, A general description of each tool is given below. For details of their use, see paragraph 28.

<1) Bolt, Field Test, D1892. The field test bolt is used in conjunction with the headspace gages listed below to determine whether the chamber, bolt, lug seats in the receiver, or all three, are worn beyond serviceability. It is a gage made in the form of a rifle bolt without extractor or firing pin mechanism.

(2) Gages, Headspace, 1.940-inch, C7719A; 1.946-inch, C7719G; L950-inch, C7719M These gages are used with or without the field test bolt to determine headspace. The 1.950-inch gage is used for testing in the field, and the 1.940- and 1.946-inch gages are used for testing at an arsenal or depot They are cylindrical in form and are inserted in the chamber similarly to a cartridge,

(3) Gage, Breech Bore, C3940. The breech bore gage is used to determine wear of the bore at the origin of rifling. The gage has a scale graduated to read in thousandths of an inch. It has the form of a tapered rod and is- inserted in the bore at the breech. There are two types of breech bore gage with drawing number C3940. One gage has eight spaces between the rejection line for machine gun barrels and the rejection line for rifle barrels. The other type has nine spaces between these two rejection lines. See paragraph 28 d (2) for use of each type of bore gage.

(4) Reflector, Barrel, Cal. .30, B147001. The barrel reflector is used for visual inspection of the bore and chamber of the rifle. It consists of a mirror mounted in a frame in such a manner that, when inserted in the chamber, the mirror affords a view of the rifle bore.

(5) Weights, Trigger Pull, and Hook. The weights are used to ascertain if the trigger pull lies between the limits of 3 and 6 pounds. They, and the hook for attaching them to the trigger, may be improvised locally or obtained from the small arms repair truck. (Note, par. 28 c (3)).

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