I. Introduction Data II. Inspection II. (Cont) III. Tools IV. Gen Maint V. Bbl & Rcvr 3rd/4th Echelons 5th Echelon VI. Trigger VII. Stocks VIII. Equipment IX. Final Insp. X. Malfunctions |
5. Data | |
| a. U.S. Rifle, Cal. .30, M1 | ||
| Weight | 9.5 lb | |
| Weight with bayonet, M1 and sling M1907 | 11.2lb | |
| Length (over-all) rifle only | 43.6 in. | |
| Length (over-all) with bayonet, M1 | 53.4 in. | |
| Length of barrel | 24 in. | |
| Length of rifling | 70.8 cal.; 21.30 in. | |
| Number of grooves | 4 - rifles of old mfr. 2 - rifles of new mfr. |
|
| R.H. twist; 1 turn in | 33.3 cal.; 10 in. | |
| Depth of grooves | 0.0040 in. | |
| Cross-sectional area of bore | 0.0740 sq. in. | |
| Type of mechanism | Gas-operated, semiautomatic | |
| Loading device | Clip | |
| Rate of fire | Semiautomatic | |
| Cooling | Air | |
| Sight radius | 27.9 in. at 100 yd range | |
| Trigger pull | 7.5 lb max; 5.5 lb min | |
| Normal pressure | 50,000 lb per sq in. (copper) | |
| Ammunition types | Ball, A.P., tracer | |
| Cartridge, ball type | Cal. .30, M2 | |
| Approximate range for cartridge M2 (standard) | 3,450 yd | |
| b. U.S. Rifles, Cal., .30 M1C (Sniper's) and M1D (Sniper's) | ||
| Length of rifle without flash hider | 43.60 in. | |
| Length of rifle with flash hider mounted | 46.13 in. | |
| Weight of rifle complete with telescope, flash hider, web sling and cheek pad, but less web carrying case, M65 | 11.81 lb | |
| Weight of telescope, M81 or M82 only, with removable mount assembly (including rubber eyeshield) | 1.24 lb | |
| Weight of flash hider | 0.44 lb | |
| Weight of web sling | 0.26 lb | |
| Weight of cheek pad | 0.34 lb | |
| Weight of rifle M1C or M1D without accessories but including permanently mounted bracket | 9.75 lb | |
| Weight of leather sling, M1907 | 0.50 lb | |
| Weight of telescope, M81 or M82 only, without removable mount but including rubber eyeshield | 0.84 lb | |
| Weight of web carrying case, M65 | 0.28 lb | |
| Trigger pull | 6.5 lb max; 4.5 lb min | |
| Focus for distance | Universal | |
| Maximum useful range | 800 to 1,000 yd | |
| Zero setting range (telescope) | 300 yd | |
| Field of vision at 100 yd | 35 ft | |
| Magnification | 2.50 X | |
| Eye relief (telescope) (approximately) | 5 in. | |
| Packing: | ||
| Weight of 1 rifle, M1C or M1D complete with all accessories in a V3C corrugated fiberboard box | 15.5 lb | |
| Weight of 5 unit-packed rifles, M1C or M1D in chest (approximately | 104 lb | |
| Over-all dimensions of chest | 13 7/8 x 11 1/8 x 35 1/2 in. | |