Hi jojo88! Welcome to the forum! I strongly recommend that you do not reuse pellets that have been shot out of your rifle even though they do not appear to be deformed. Bear in mind that the air blast, however small or great, expands the skirt of the pellet (as well as leaves rifling marks on it) thus making it bigger. If you try to use the pellets again, you are very likely to experience pellet-jamming which, in a worse-case scenario, will be difficult to remove or may very well cause damage to your rifle.