Any rifle with a version two or version three gearbox. That includes the AR-15 series of guns (M4s, M16s, and anything of the like) or MP5s. These gearbox versions are the easiest to fix and upgrade.
UTG Shadow ops airsoft sniper rifle (L96 Type 96)
The Orphus socom
try evike.com
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you will never go wrong if you buy the best you can afford
MB03 by well
Self protection? As in keeping robbers away from your house? I guess i would go with a gas rifle. They are often the most powerful, but are more expensive. If your are looking for home security, an airsoft gun would not be your best bet. I would go with an actual pellet gun or air rifle. Airsoft guns are more for recreation.
A paintball sniper rifle can shoot father.
Airsoft Megastore 7.00$ -Jeff
the best is sheridan in 20mm. pumpair rifle Best is a very subjective term that depends on your intended use, pocketbook and skill set.
The Airsoft M16 is a popular Airsoft rifle because it is lightweight and on the cheaper end of Airsoft guns. It also has a magazine capacity of 300 rounds.
A paintball sniper rifle can shoot father.