- |
| | | | Joergensen|
+-------------------+---------------+--------------------+---------------+
|Calibre of rifle | .303 in. | .276 in. | .254 in. |
|Number of grooves | 5 | 4 | 4 |
|One twist in |10 in. to left |8-11/16 in. to right| 8 in. to left |
|Muzzle velocity | 2,000 f.s. | 2,262 f.s. | 2,309 f.s. |
|Sighted to | 2,800 yds. | 2,187 yds. | 2,406 yds. |
|Weight of cartridge| 416-1/2 grains| 384.5 grains | 372.1 grains |
|Weight of bullet | 215 grains | 173.3 grains | 156.4 grains |
|Length of bullet | 1.250 in. | 1 in. | 1.250 in. |
|Calibre of bullet | .309 in. | .280 in. | .260 in. |
|Charge of powder | 31-1/2 grains | 38.0 grains | 36 grains |
| | (cordite) | (smokeless) |(nitro |
| | | | -smokeless) |
|Nature of alloy | Cupro-nickel | Mantle: Steel |Mantle: Mild |
| used for mantle | | with alloy of | steel coated |
| of bullet | | copper on | with copper |
| | | surface | nickel, the |
| | | | composition of|
| | | | the latter |
| | | | being that of |
| | | | the cupro- |
| | | | nickel of the |
| | | | Lee-Enfield |
| | | | bullet |
|Thickness of |Mark II. bullet| -- | -- |
| mantle | | | |
|Tip | .036 | .031 | .022 |
|Sides .984 from tip| .015 | .015 | .015 |
+-------------------+---------------+--------------------+---------------+
Some particulars of the four rifles and their projectiles are collated
in Table I., to which is added the corresponding information regarding
the Martini-Henry for the purposes of comparison.
TABLE II.
|