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Comparison Crosman Pumpmaster 760 vs Crosman Classic

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Crosman Pumpmaster 760
Crosman Classic
Crosman Pumpmaster 760Crosman Classic
from $79.80 up to $121.20
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Main
Shoots bullets and balls. Great for young shooters. Small size and light weight.
Can be equipped with an optical sight
Typemulticompressionmulticompression
Specs
Caliber4.5 mm4.5 mm
Muzzle velocity190 m/sec230 m/sec
Cocking systemshuttershutter
Barrelsmoothrifled
Chargingmultiply charged
multiply charged /when shooting balls/
Type of ammunitionbullets and ballsbullets and balls
Magazine capacity
5 pcs /5 round lead clip/
17 pcs
More features
Sighting deviceaiming bar and front sightaiming bar and front sight
Scope mount"dovetail""dovetail"
Fusemanualmanual
Adjustable trigger
General
Barrel length430 mm529 mm
Total length850 mm1010 mm
Stock material
plastic
plastic
Weight1.25 kg2.1 kg
Added to E-Catalogaugust 2013august 2013

Muzzle velocity

The muzzle velocity provided by the rifle - that is, the speed of the bullet as it exits the barrel.

All other things being equal, a higher bullet speed provides greater range and accuracy, and also simplifies aiming at long distances: the bullet flies along a smoother trajectory and requires fewer adjustments in height, and the influence of side winds decreases with increasing speed. On the other hand, this indicator directly affects the price of the rifle; and in some countries, legal restrictions on the ownership of pneumatic weapons are also related to the muzzle velocity of the bullet.

As for specific values, in the weakest modern rifles the initial speed does not exceed 150 m/s, and in the most powerful it can be 300 - 350 m/s or even more(remember, the speed of sound is 330 m/s). In general, for recreational shooting at short distances, this parameter is not particularly important, and detailed recommendations for choosing pneumatics for more specific situations can be found in special sources. Let us only note that in AEG electric drives (see “Type”) the initial speed extremely rarely exceeds 150 m/s, but this is done solely for safety reasons: such “weapons” are intended for military-tactical games and initially involve shooting at people, and the high speed would be unsafe for players even with protective equipment.

It is also wor...th considering that this indicator is not strictly defined. In any type of pneumatic it depends on the weight of the bullet (the lighter the faster); therefore, in the characteristics it is usually customary to indicate a certain average velocity for standard ammunition (usually weighing 0.5 g, in AEG - 0.2 g). In addition, in multi-compression rifles the actual speed of the bullet is determined by the degree of inflation, in gas-cylinder rifles it is determined by the ambient temperature, and in PCP models it is possible to achieve higher speeds than declared by replacing the air with a special gas (for example, helium). Nevertheless, this characteristic makes it possible to evaluate the capabilities of the rifle and compare it with other models, including those that differ in type.

Barrel

The type of barrel installed in a rifle.

This parameter is specified according to the type of the inner surface of the barrel, the options can be as follows:

Rifled. A barrel with spiral grooves applied to the inner surface. This is the most popular option among modern air rifles — in fact, the term “rifle” itself comes from the helical rifling in the barrel. Thanks to the internal rifling, the bullet flying out of the weapon twists around the longitudinal axis, which ensures a stable trajectory and improves shooting accuracy. The only disadvantage of this type of barrel is its poor suitability for working with balls: there are relatively few rifled rifles compatible with these types of ammunition, and it is best to use special balls made of lead or other soft material with them (traditional steel balls wear out the rifling a lot). However, this point cannot be called a serious drawback.

Smooth. A barrel with a flat inner surface, without rifling. One of the main practical advantages of such a design is its "omnivorousness": smooth barrels can be used for both bullets and balls (although the specific type of ammunition used depends on the rifle model). In addition, a flat surface is noticeably simpler and cheaper to produce than a rifled one. The main disadvantage of such weapons is their rather low accuracy, since the projectiles fired from them are not stabilized by r...otation. Smooth-bore rifles are intended mainly for recreational shooting at short distances; it is also worth noting that such barrels were originally used in airsoft guns, in particular, AEGs (see "Type").

Magazine capacity

And in models like AEG (see “Type”) and other airsoft weapons, the capacity is indicated for the standard magazine supplied in the kit; in this case, the magazine, as a rule, is removable, and if desired, it can be replaced with another one that differs in capacity. It is worth noting here that airsoft magazines are usually divided into “bunkers” (high capacity) and “mechanics” (low capacity). Mechanas typically hold up to 150 pellets, and some of these magazines have the same capacity as real weapons. This variety is appreciated by lovers of realism and experienced players. In “bunkers,” in turn, the capacity is already hundreds, and sometimes thousands, of bullets. They are convenient for beginners and undemanding airsoft players, but a serious drawback of such magazines is noise - the balls, hanging in the main compartment of the “bunker”, turn it into a rattle, making it difficult to move covertly.

Barrel length

The working length of the rifle barrel is from the chamber where the bullet is loaded to the muzzle. The shortest barrels found nowadays have a length of just over 200 mm(and in some AEGs even less than this value); the longest reach 500 – 600 mm.

There is a stereotype that the muzzle velocity directly depends on the length of the barrel. In firearms, this is true — but not in pneumatics. Firstly, in such rifles, the initial velocity depends on a number of other indicators — pressure, the quality of the barrel treatment, the efficiency of the valves, etc. on the first 20 – 25 cm of the barrel, then the gas pressure drops noticeably. The exception is PCP rifles, in which the longer barrel really makes it easier to achieve high speeds. However, again, so many additional factors affect the final result that models with the same barrel length can differ markedly in initial speed.

The second common stereotype is that a longer barrel improves accuracy and accuracy. This is true in the context that a longer barrel allows for a greater distance between the front and rear sights, making it easier to aim carefully. Technical accuracy does not depend on the length, but on the quality of the barrel processing.

Summing up all of the above, we can say that the length of the barrel for an air rifle is more of a reference than a really significant paramete...r, and when choosing, it is better to focus on more "close to life" characteristics — first of all, directly claimed muzzle velocity.
Crosman Pumpmaster 760 often compared
Crosman Classic often compared