Any thoughts on the best grain round for a .357 Sig (for SD)?
From my experience, I like the 125 GR. SXT Winchester Ranger. It is a good round, and what I like most about it, is for practice, the 125 GR. FMJ Winchester matches up very closely in feel and performance (when it comes to paper targets).
I have read some claims that at 140 gr the .357 Sig begins to lose accuracy and potency compared to a 140 gr .40 S&W. I have also read this is not the case with S&B ammo, as they are a little hotter round (but well with in the rating). However, regardless of the ammo, on average, the .40 S&W are less effective at grains less than 140 (compared to .357 Sig) and in contrast .357 Sig are less effective at grains greater than 135 (compared to .40 S&W).
I don't have any facts other than word of mouth. I have started to stack five 140 GR. FMJ Sellier & Bellot toward the end of the mag or alternate (esp if I'm headed into the woods) the first few shots.
I don't know why, but I have started to really like 140 GR S&B ammo in this caliber. While in contrast to what I have read, it feels like a better, more accurate round. I'm not suggesting it is better for SD (I'll stick to a hollow point for most calibers if the goal is SD).
I'm considering DoubleTap Ammunition 357 Sig 147 Grain Speer Gold Dot Jacketed Hollow Point, and would not mind hearing from anyone on the topic.
For the past 3 months or so I have been reading up on this topic (what is the best grain for .357 Sig). In general, I'll go with bigger the caliber, the more effective the round for SD. However, I'm willing to believe this may not be the case for a .357 Sig round.