45-70 Nitro Carbine
This sequence of three
photographs shows the firing of a 45-70 nitro powder carbine on Marple Rifle and
Pistol Club's 25 metre indoor range. As can be seen, in comparison to the muzzle
flash from a blackpowder gun, a nitro cartridge is a much more subdued affair.
However the recoil produced is sharper with a much more definite 'kick' to it,
this is due to the much faster burning time of nitro powder and the higher
pressures produced within the gun before the bullet exits from the barrel. The
second photo below shows the blurring of the muzzle due to recoil movement.
Compare these photographs with the ones of the
.577 Enfield blackpowder rifle, it is obvious
that nitro powder is much more efficient and cleaner burning than blackpowder.
Just before firing (0.00 seconds)
Muzzle flash & note the vibration blurring (0.03
Just after firing (0.06 seconds)
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