Quote Originally Posted by tinbum View Post
How about an HW70? A "Proper" air pistol.

Yep, nice, simple, quiet and effective.

And I'd also go with Pete's Crosman 1377 recommendation; very quiet and unobtrusive on three or four pumps.

I've also got the HW45 and Brummy Tempest, both pretty quiet.

And my HW40 does, indeed, "crack" a little more.