We may receive a commission on purchases made from links. Caulk guns come in several variations. We’ve been the ratcheting caulk gun since the 1800s, but there are also pneumatic ones and electric caulk guns. For most DIY tasks, a standard, regular caulk gun is perfectly acceptable — it’s the kind of tool you can get for under $50 and happily use years. However, there are also plenty of good reasons to get an electric caulk gun. If you do a lot of caulking, something electric can...