Welcome
to Sub-Silent Suppressors - New Zealand’s LEADING Specialist in Custom
Hand Crafted Rim-fire, PCP, CO2 & CENTER-FIRE Suppressors.
Copyright and Patent Pending applicable
Right: Click photo to download this excellent FREE conversion calculator.
NOTE: Although titled ‘AirGun’ calculation Converter, it is exactly the same for Rim-Fire & Center-Fire calculations.
It is a instant loading program that
allows you to quickly convert and calculate distances, weights, pressure
and energy – as well as converting from imperial to metric. A very
helpful calculator when engaging in ammunition reloading and weighing.
Highly recommended.
This chart below is ideal for comparing
bullet calibres, cartridges and projectiles. To compare and calculate
metric and imperial calibres, you just have to remember that one inch is
25.4mm. If going from imperial to metric, you multiply 25.4 by
the calibre (eg. 25.4 x .30 = 7.62mm). If going from metric to
imperial, you divide the caliber by 25.4 (eg. 9mm divided by 25.4 =
0.354~inches).
1 .17 HM~2 4.3mm, 2 .17 HMR ~4.3mm, 3 .22LR~5.5mm, 4 .22 WMR~5.5mm, 5 .17/23 SMc, 6 5mm/35 SMc, 7 .22 Hornet, 8 .223 Remington~5.56mm Nato, 9 .223 WSSM, 10 .243 Winchester~6mm Rem, 11 .243 Win (Ackley)~7.62mm, 12 .25-06 Rem~6mm, 13 .270 Winchester~7mm, 14 .308~7.62mm Nato, 15 .30-06 ~7.62mm Nato , 16 .45-70, 17 .50-90 Sharps
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