Quote Originally Posted by somnophore View Post
I shot a rat the other week with accupels in my garden from a prone position, i thought it hadnt over penetrated until i checked the area afterwards and found the pellet lodged in the fence panel, gone straight through the head and into the fence 5 yards behind
Did it kill the rat? If it did, even though you had "overpenetration", it was not a problem.
Almost any pellet at close range can pass straight through, so you'll be wanting a safe backstop if you want to avoid damage to nearby objects (or ricochets ).