No. There are small paintballs mad however for low power spring airsoft guns.
Sorry, there is no ONE best of anything, including rifles.
It is generally accepted the the pellet rifles used in the Olympics are the finest made. Look up rifles made by FEINWERKBAU WESTINGER & ALTENBURGER
they are balloons...
To the best of my knowledge, no manufacturer has even made a .38 Special rifle, so no. .38 Special can be used in .357 Magnum revolvers, but that's because revolvers don't have a headspaced chamber - this cannot be done in firearms which have a headspaced chamber (as rifles typically do).
You can buy airsoft paintballs, but they're the size of a small pellet and I've had a hard time finding them. Technically no. There are NO paintballs that work in an airsoft gun. The answer above was partially correct though. They make marker bbs that are basically bbs but they have paint on them.
Rec stands for recreational, these are cheaper paintballs used at fields and woods. Pro is short for professional, and is high quality, easily breakable paint used in professional tournaments.
Hammerli
Custom made Draxxus medium grade field paint that was engineered and designed specifically for use at Richmond Indoor Paintball.
The pellets are made out of a mixture of Polyethylene Glycol and gelatin. Glycerine is in the paint to thicken it and prevent it from freezing. Sorbitol is used to prevent the liquids from drying out and of course, dyes are used for the bright colours.
Assault rifles made their appearance during WW2. However, the british used a machine gun in world war 1 called the Bren that was quite like an assault rifle of the day.
This was a term used for certain US military rifles- the bores were checked using a special guage. Rifles that were found to have a high degree of uniformity to the rifling were marked at the muzzle with a star. Today, these might be known as "Match" quality.
Mausers made for Argentina and the Ottoman Empire used a 7.65x54 cartridge.