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Discussion in 'General Firearms Forum' started by unit1069, Feb 11, 2013.
Can the .40S&W Shield be converted to .357sig?
I have yet to hear of anyone making a 357SIG barrel for it.
I imagine it could.
Can you get a barrel?
I am sure that a custom barrel maker could make a barrel. I am also sure it would be a very expensive option for what may likely be the first one.
I'd like to find one for my .40 Shield!!!
If it was available, I would be 1st to be in line, as I am not a fan of the .40 round, but do think the .357 Sig is the best round for semi-auto handguns.
I wonder if an M&P .357 Sig barrel would fit, then have a gunsmith shorten the barrel (and re-crown) to Shield length!?!?!?!?!?
But then you're getting into a lot of expense. I'd think Smith & Wesson would see an opportunity to widen the Shield's appeal, even though they can't keep up with the current demand.
Overall dimensions are likely different between a double-stack M&P compact and the S&W Shield which has both a smaller frame and a smaller slide. I like the S&W Shield in 9mm but consider the 40 caliber ballistically superior to the 9mm for the simple fact that it can launch a heavier bullet at a higher velocity than a 9mm can, but I consider the 357 Sig to be even better yet, because it can launch a 125 grain bullet at 357 mag velocities.
Storm lake makes the 357 sig barrels for the double stack S&W M&P but they do not at this time make them for the Shield. Anyone who wants to see them do this, I would suggest that you send them an email to: firstname.lastname@example.org --If enough people were to do this, they might decide to tool up for it.
I have a G23 in 40 caliber and have a Lone wolf 357 Sig barrel for it. in that size gun, I can't really tell which one recoils more but the Sig seems to have a sharper recoil and more muzzle blast, so the question is, is the 357 sig too hot for a gun the size of the Shield?
Before you go down that path, you should see if the .357 Sig rounds will feed correctly from your 40 mag. Despite popular belief and endless gun writers repeating incorrect information, bottle neck case DO NOT feed better than straight walled cases in many guns. They tend to tip over and feed low, slamming straight into the feed ramp. Try filling the magazine to full capacity then press downward with your finger on the topmost round. If it hinges downward to hit the #2 round, it's probably going to mis-feed. You need the #2 round to fully support the top round in order to hold it in position and keep it from tilting downward when the slide slams into the back of the case head.
I just got a Shield 45 but would get the 357 tomorrow if available, I wish it was.
Feeding I do know that the Glock 40 feed 357's fine as I have used many of them