I've been carrying the Federal EFMJ for about 7-8 years. I don't know if the Guard Dog is the exact same stuff, but the EFMJ works very well. Feeds well in both of my .45's, and in my admittedly unscientific tests, penetrates well, retains weight and expands as advertised. I got a large supply of the 200 gr +P variety. I understand it is legal in New Jersey, where HPs are fround upon.
Cogito, ergo armatum sum
NRA Life Member / SAF Member
Retired Police Detective '71-'01 / LEOSA Certified
Naval Aviation Veteran '65-'69
United States Constitution (c) 1791
All Rights Reserved