RIFLE BARRELS, .30 CALIBER.
92
No. 10300.
Section marked M 3 C.
Cooled in air.
Remarks.
Barrel section.
Pressure		
inch.	Diameter.	Expansion
Pounds.	Inch.	Inch.
16,300	0,980	0.
24,450	.980	0.
28,520	.980	0.
32,600	.980+	0. +
34,640	.980 +	0.+
36,670	.980+	0.+
38,710	.980+	0. +
40,750	.980+	0. +
42,790	.980+	0. +
44,820	.981	.001
46,860	.981	.001
48,900	.981	.001
50,940	.981	• .001
52,970	.982	.002
55,010	.990	.010
57,050	.998	.018
59.090	.998+	.018+
61,120	.999	.019
16,300	.997 +	.017+
61,120	.999	.019
16,300	.997+	.017+
No. 10301.
Section marked M 3 C. Cooled in air.
Remarks.
Barrel section.
Pressure per square inch.		
	Diameter.	Expansion.
Pounds.	Inch.	Inch.
16,300	0.980	0.
24,450	.980	0.
28,520	.980	0.
32,600	.980	0.
34,640	.980+	0.+
36,670	.980+	0. +
38,710	.980+	0.+
40,750	.980+	0.+
42,790	.980+	0. +
44,820	.980+	0. +
46,860	.981	.001
48,900	.981	.001
50,940	.981 +	.001 +
52,970	.982 +	.002+
55,010	.984	.004
57,050	.990	.010
59,090	.992+	.012+
61,120	.995 +	.015+
16,300	.993+	.013+