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I know this is a Sig Forum but have any of you ever fired one of the 5.7 pistols?
 
Posts: 12 | Location: Texas! | Registered: February 21, 2020Reply With QuoteReport This Post
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Picture of Ace31
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Yes, anything specific I can answer for you on the FN 5.7 pistol?
 
Posts: 1988 | Location: Wherever the voices in my head tell me to go | Registered: April 08, 2009Reply With QuoteReport This Post
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This is the ammunition forum, so if you’re asking about 5.7 pistols in general, then the Sig Pistol forum might be better (non-Sig pistol talk is fine). In answer to your question, I own and have fired both the FN FiveseveN pistol and the Ruger 57 pistol.
 
Posts: 2203 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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I own the Five-7 pistol.

When I brought it, there was a lot of disinformation running rampant. Fact : It will NOT penetrate body armor. I tried.

With Federal and FN offering ammo, the cost has come down. And now that Ruger is offering a 5.7X28 caliber gun, I expect ammo costs to drop even more after the pandemic panic subsides.

The grip is rather large. Recoil is minimal. Only slightly more that a .22 LR. Elite Ammunition offers some firey hot loads for the gun.


************************************************
"Tonight, we are a country awakened to danger and called to defend freedom. Our grief has turned to anger and anger to resolution. Whether we bring our enemies to justice or bring justice to our enemies, justice will be done". {George W. Bush, Post 9/11}



 
Posts: 733 | Location: Long Island, N.Y. / Stephentown, N.Y. | Registered: March 20, 2010Reply With QuoteReport This Post
Don't Panic
Picture of joel9507
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Yes, own and like the pistol.

It's great fun at the range - almost no recoil and quite accurate.
 
Posts: 13314 | Location: North Carolina | Registered: October 15, 2007Reply With QuoteReport This Post
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They are fun to shoot.




The fish is mute, expressionless. The fish doesn't think because the fish knows everything.
 
Posts: 49125 | Location: Texas | Registered: February 10, 2004Reply With QuoteReport This Post
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Fun to shoot, not so fun to buy ammo for. I also like the Ruger 57 a lot too, probably even better.


-MG
 
Posts: 430 | Location: The commie, rainy side of WA | Registered: April 19, 2020Reply With QuoteReport This Post
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5.7 pistols have a surprising amount of muzzle flash. Although both have their pros and cons, I prefer my FN over my Ruger. The Ruger is a bit more snappy, and I find the narrower grip a little more awkward than the FN grip. Of course, the big selling point for the Ruger is that it’s a lot cheaper.
 
Posts: 2203 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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The other point for the Ruger is that mounting an optic is easier. But Ruger doesn’t seem to
have many plates for popular optics.


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 9039 | Registered: October 14, 2004Reply With QuoteReport This Post
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Just a thought, but a 320 might be a lovely way to solve the "grip to large", "grip too narrow" problem, particularly with all the aftermarket grip options that keep popping up.

As for muzzle flash, we've heard the same thing about the .22 TCM. Longer-barreled (6" or so) 320s in 5.7 and 10mm, anyone? Throw on some modern optics and those could be some bad-assed little pieces of Tupperware.
 
Posts: 24775 | Location: Deep in the heart of the brush country, and closing on that #&*%!?! roadrunner. Really. | Registered: February 05, 2008Reply With QuoteReport This Post
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The Ruger 57 pistol looks nice, although I haven't shot it yet.

It might just make a fine companion to a Ruger Takedown PCC in the same caliber, using the same mags!


************************************************
"Tonight, we are a country awakened to danger and called to defend freedom. Our grief has turned to anger and anger to resolution. Whether we bring our enemies to justice or bring justice to our enemies, justice will be done". {George W. Bush, Post 9/11}



 
Posts: 733 | Location: Long Island, N.Y. / Stephentown, N.Y. | Registered: March 20, 2010Reply With QuoteReport This Post
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quote:
Originally posted by Il Cattivo:
Just a thought, but a 320 might be a lovely way to solve the "grip to large", "grip too narrow" problem, particularly with all the aftermarket grip options that keep popping up.

As for muzzle flash, we've heard the same thing about the .22 TCM. Longer-barreled (6" or so) 320s in 5.7 and 10mm, anyone? Throw on some modern optics and those could be some bad-assed little pieces of Tupperware.


The main reason for the grip thickness difference is that the FN uses thicker polymer mags, while the Ruger used thin wall metal mags. As compared to something like 9mm, the 5.7 rounds are longer, but much smaller in diameter. The mag and grip are always going to be deep front to back, but somewhat thin side to side, unless you make a really thick grip.
 
Posts: 2203 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
Gracie Allen is my
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Understood, but what would be asked of SIG to do something like that is roughly the same kind of skunk works program they went through with the P365 mags. That's something they seemed to have knocked out of the park, and I'd like to believe that the lessons learned with the P365 mags could make developing 5.7 mags (or P320 10mm mags, which are also relatively long) easier, quicker and cheaper.
 
Posts: 24775 | Location: Deep in the heart of the brush country, and closing on that #&*%!?! roadrunner. Really. | Registered: February 05, 2008Reply With QuoteReport This Post
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Huh. Sig cannot change the length of the cartridge. So I don't get even the conceptual basis for the comments.
In any case I have lots of rounds downrange in 5.7 and the ruger. The FN is better, till you get to the optic issue and then Ruger wins hands down. But if you really want to maximize 5.7 for some serious use you need a longer barrel if you have to use current commercial ammo. The PS90 is just about perfect for that (excluding its faults of trigger) and CMMG is making a decent alternative on paper as well but I have not personally run one (on order date unknown).


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 9039 | Registered: October 14, 2004Reply With QuoteReport This Post
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Its not just as simple as Sig making a P320 frame and mag for 5.7. Neither the Ruger nor the FN are conventional tilting barrel pistols. They are essentially a slightly delayed blowback. They would have to develop a complete upper in addition to the frame and mag. Also, both 5.7 pistols are actually hammer, not striker fired. Essentially a complete new gun would have to be developed, and I can’t see Sig wasting the money for a niche cartridge like the 5.7.

Speaking of CMMG, I have their 8” upper that I’ve used on one of my SBR AR lowers. Works great, suppressed and unsuppressed, and no problems with CMMG’s proprietary 40 round mags.
 
Posts: 2203 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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Honestly op right now ammo is WAY to expensive due to the panic. Its really a round for a specific purpose and is better suited for the FN P90 Carbine.
 
Posts: 1988 | Location: Wherever the voices in my head tell me to go | Registered: April 08, 2009Reply With QuoteReport This Post
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quote:
CMMG, I have their 8” upper

Have you measured the velocity of one of the std. FN rounds like 190 or 198LF out of that. Its kind of an in between length. I know 10" is enough to get what you need (P90 length) and pistol is not but is 8"?


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 9039 | Registered: October 14, 2004Reply With QuoteReport This Post
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quote:
Originally posted by hrcjon:
quote:
CMMG, I have their 8” upper

Have you measured the velocity of one of the std. FN rounds like 190 or 198LF out of that. Its kind of an in between length. I know 10" is enough to get what you need (P90 length) and pistol is not but is 8"?


No, I don’t have a chrono. In any case, the velocity would just be a relatively meaningless number to me as I’m not looking for a particular velocity.
 
Posts: 2203 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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Dorin Technologies makes a slide cover replacement for the FN Five-seveN that provides for an optics mount.

I have the Ruger and the FN. I prefer the FN, other than the odd safety location.

Great option for the recoil sensitive shooter, although the large grip can be a challenge for small hands.
 
Posts: 553 | Registered: March 08, 2006Reply With QuoteReport This Post
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Dorin not useful for those of us that have been at this awhile as needs current model FN. There are others but they aren't really that great. Ruger could be great if they just did an RMR. What is wrong with them? It literally is the best selling optic. I'm hoping the aftermarket figures this out soon (they may have I've parked that project for a bit and am not actively looking)...


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 9039 | Registered: October 14, 2004Reply With QuoteReport This Post
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