Written on: 27/08/2008 by jimdykesbtw (4 reviews written)
Does not have the "knock down" power of lead!
These pellets work on 2 principles the first being if the mass of the pellet (M) is reduced the acceleration (a) of the pellet from rest, initial velocity (u=0fps) to final velocity (v=aprox 850fps) if the time and force exerted on the pellet remains constant, for a lead pellet (u=aprox 750fps) so the first principle is the huge velocity the pellet hits at.
The second it that the pellet is a 2 stage (metal tip with polymer sabo), on impact the sabo gets stuck in the first median and the metal tip continues. M1V1 + M2V2 = M3V3 OR TOTAL MOMENTUM.
Anyway enough boring science... I'm just a big geek.
However if you put these pellets in a 12ft/lb air rifle, on occasions it can push it over the 12ft/lb limit which carries a 5 year mandatory custodial sentence for illegal possession of a firearm (REMEMBER IT IS YOUR RESPONSABILITY FOR THE POWER OF YOUR AIR RIFLE, IT IS YOU THAT WILL BE PROSOCUTED IF YOUR GUN IS FOUND TO BE OVER THE LEGAL LIMIT).
The down side of these pellets is, they leave plastic residue in the rifling groves of the barrel, which hugely effects accuracy, and must be cleaned, but if you enjoy doing your own maintenance this may be seen as an advantage.
To sum it up, these pellets give exlent penetration, however they are not recommended for full power air rifles due to the upper power limit, if they are used they should be proved with a chronograph to be under 12ft/lb's.
Note: if you are unsure of what this means or you don ' t have, or have access to a chronograph, I would strongly recommend you don ' t buy these pellets! (If you do understand and keep within the legal limit, they are great... pull the bolt back... insert 1, lock the bolt and enjoy!
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