Indians For Guns

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mrast1981 wrote:Hi Friends
can anyone provide information regarding power & accuracy of these two calibers.
thanx

Power and accuracy are not related to caliber.

Hi Guys,
> The long debated issue of "Which caliber is better, 0.177 or 0.22 continues to be perennial...
> Nevertheless the answer seems to boil down to "Personal Preference"
> However when it comes to target shooting 0.177 cal turns out to be a winner - another reason could be 0.22 cal is not permitted at state & international competitions.
> It appears that people consider the 0.22 cal to be more 'macho' as it is capable of delivering greater energy at the terminal point of impact.
> The following post explains this rationale' a bit more eloborately.
Briha

Which calibre air rifle is best .22 or .177? -
Yahoo! UK & Ireland Answers

Target practice on 3 steel cans, place one inside of another inside of another filling the inside can with sand at ranges up to 50 meters.The .177 would penetrate all three out to 35-40 meters and 2 at 50. At 40 yds a .177 will have lost 47% of its energy, the .22 will have lost 43% of its energy not enough difference to argue about. So as far as 'power' goes .22 and .177 are about equal at hunting ranges.
(source: Pellant Airgun V.7)

Both the .177 and .22 can over penetrate at close ranges and the .22 may bounce off at longer ranges.

What does make a difference is whether the shooter can accurately judge the holdover for a given range and hit the 'kill' zone each time.

What is sure, is that .177 pellets fly flatter and faster making holdover easier to judge than .22 and the .177 may be penetrating at ranges where the .22 may not, always assuming that the quarry presents itself as the perfect target. Of course the damage done by the full impact of either calibre will be fatal.

Inside sensible air rifle ranges both calibres will be effective, but there is an old airgunners maxim which says .22 for Fur and .177 for Feather.
0.177 rifles are mostly accurate, but the latest pneumatic rifles are equally accurate - which just leaves the question of holdover!

Now - a .22 air rifle producing 20 ft lbs of power - that would solve the question, but as the legal limit of 12 ft lbs still remains very low.

0.177 and 0.22 Compared
Both calibres are almost as accurate as each other, noticed no peculiarities with the .22 pellet's flight. So that brings back to the holdover and penetration. Not all .177 shots are successful, so the .22 can't be said to be worse than the .177 and the performance showed that against the right quarry and at the right range, there is no reason not to take the .22 when going hunting.

Is a .177 better than a .22 - Yahoo! UK & Ireland Answers
So long as you're comparing the same model airgun the difference in energy between calibers is minimal since the gun's power-plant, not the projectile determines how much energy is imparted to the projectile.

Which to get really comes down to your personal preference about which compromise you prefer. Just remember, when using airguns accuracy is extremely important and that for the best accuracy you want to keep the pellet's muzzle velocity under the speed of sound (around 1100 fps).

.177 caliber guns produce higher muzzle velocities. That's because they shoot a smaller diameter, lighter weight pellet. This produces a flatter trajectory which makes range estimation less important inside the gun's effective range.

.22 caliber guns produce higher energy. This is because they shoot a heavier, larger diameter pellet. However they also produce a more pronounced trajectory. This means that range estimation, becomes much more important since a difference of a few yards can and will result in a miss or a bad hit.
Briha

thanx everyone for this great information....very informative