Underwood Ammo 357 SIG 125gr Gold Dot JHP Ballistics Gel Test (HD)

[@jordanaug81]

1500+ FPS! Damn! I was never big on this cartridge because of it's typical sub 1,400 fps under loading, but this is sure enough hot and even hotter than .357 mag. This is worth looking into.

[@Mrgunsngear]

indeed

[@TOBORE8THMAN]

Underwood .357 Magnum 125 grain XTP Muzzle Velocity: 1700 fps Muzzle Energy: 802 ft/lbs This offering pushes nearly 1775 fps from my Ruger GP100 5" and 1825 fps from my Desert Eagle. Granted from a short barrel (3"), thing should even up. Love the .357 Sig though.

[@billytube325]

TOBORE8THMAN did you actually test this, or was this just posted somewhere? When we chronoed the 125 underwood out of my buddies 4" gp100 we were barely scratching 1400fps.

[@TOBORE8THMAN]

As a matter of fact, I did: kzbin.info/www/bejne/gYSmmJZ_jpKEo7M Shot 1 - 1809 fps - 908 ft/lbs Shot 2 - 1834 fps - 933 ft/lbs Shot 3 - 1809 fps - 908 ft/lbs Average velocity and muzzle energy - 1817 fps @ 916 ft/lbs

[@louv4437]

jordanaug81 i did trauma surgery in a city that the officers carried 357 sig I can tell you up close and personal it’s nasty!! They used Double tap bonded DT 125gr however there are rounds now from Underwood, Atomic and ICC also that have it cooking

[@Mrgunsngear]

I do. I wouldn't mess with any springs but the recoil spring on any Glock (and only recoil springs on 357SIG and 10mm guns). That has to be a hell of a load coming out of the G33!

[@Mrgunsngear]

Correct---standard length 31 barrel. I don't think they'd get 1400 out of the sub compact but there's only one way to find out! Yes, the FMJ round will penetrate auto sheet metal and glass without issue as will the bonded load tested here. Speer has lots of data on that on their website.

[@prasinos37]

You just saw a video of the best round, all things considered, you can have in your pistol. Underwood 's 357 sig are simply amazing.

[@Mrgunsngear]

👍🏽

[@c.r.chandler5905]

Every time I consider shelving my P-229 in .357SIG with this underwood round for a 9mm +P, I watch this video and wonder what am I thinking.

[@bdm1000]

Exactly. I say the same thing about my P229 in .357.

[@sacha7905]

I really appreciate the variety of your channel, from ammo tests, to gear reviews, to gun reviews, and shooting tips. There's a little bit of everything. I would love to see a p30 review. Keep up the good work!

[@Mrgunsngear]

JHP is the way to go for defensive purposes. If you want increased barrier penetration just go with a bonded bullet. There is a plethora of data demonstrating the benefits of hollow points for defensive use over FMJs. That's just my 2 cents...

[@Mrgunsngear]

Correct. I actually have a video on the "40 to 357 Conversion" if you're looking to see it (the mag follower is different but that's it)

[@Mrgunsngear]

Better is relevant. They always perform as expected though and are reliable in every gun I've ever loaded them in.

[@Mrgunsngear]

Thank you. I have a 2022 in 9mm. Good gun indeed. I'll probably do a review one of these days.....

[@Mrgunsngear]

They do, as does Speer. The combination is great.

[@Mrgunsngear]

That's why options are always a good thing. I generally look for around 14-16'' myself but that's just me.

[@Mmyers1177]

Thanks for sharing your time and fun at the range. That looks like a really devastating round. Great test. I love this caliber for more reasons than I can count. A Special Thanks to Underwood for getting the velocities to where they belong! Now all someone needs to do is test the Underwood Sierra .357 SIG Rounds. CURRENTLY IN STOCK OVER 100 BOXES!!! GET THEM WHILE YOU STILL CAN!!!! THEY COST AS MUCH AS TARGET AMMO IN THIS CALIBER IF YOU THINK ABOUT IT.

[@Mrgunsngear]

I'd be wary of that buffer in your Glock; just watch for signs of slide damage from it. I've seen quite a few issues with them. For hot 357SIG loads I think a heavier recoil spring may be the way to go to slow the slide down; I was using a 20lb spring in this set up FWIW.

[@Mrgunsngear]

Best--10mm. Likely to overpenetrate---totally depends on the individual load/bullet; less on the caliber.

[@lukesrantings12]

Great video. Much better than my review of this ammo! I recently had some of this ammo render my G33 temporarily unusable, do to either an overload or an aversion to cold climate. The primer blew out of the case during a FTE. My extractor was blown back and the case had to be removed from the chamber with a tool. This was the only time I shot this ammo on a really cold day, so I don’t know if it was the weather or a bad load. I still think it is an awesome round.

[@Mrgunsngear]

10m. Maybe this lot was slightly hotter or the heavier recoil spring was causing the faster velocity (that's my guess).

[@jasonschmidt9569]

Excellent recoil control sir. I know how hot that load is.

[@Billfish57]

two bullets I would love to see tested are the 65g 357 sig from underwood and the close quarter 79g in 308win. by Leigh Defense. I can't find anyone with those rounds tested yet. Thanks, great videos you have here.

[@EBB47]

I bought them before and can tell you that they are twice as loud and have very little recoil :)

[@jackblack6690]

Ap2020 outdoors has a couple videos on the 65gr defender hand loaded to 2080fps, might want to give those a look.

[@markcallaway2595]

Another very informative video . I just picked up a HK USPc 357 SIG AA date code . I also have a 40 S&W EFK Fire Dragon barrel to go with it. I think you need to do a review ......

[@prasinos37]

My carry round, I don't leave home without it in my G32

[@Mrgunsngear]

🇺🇸

[@jbar7286]

Ditto...but with a P320

[@aliman3229]

My choice of EDC pistol but unfortunately I can’t get Underwood ammo where I live....PDX1 bonded but that ain’t too shabby either.

[@arlenleffmann4966]

That's a badass round. Great video

[@Mrgunsngear]

You're welcome 👍🏽

[@Youngguns173SW]

Thanks I look forward to it. Bought a P30 S in 40 cal. its able to be carried cocked and locked very soft shooting 40. I have an addiction to handguns I need HELP!! LOL!!

[@Mrgunsngear]

Indeed. Thanks.

[@Vladpryde]

1558/673?! Jesus! I've got a G22, and I've thought about getting a .357 Sig barrel for it. I have a box of 125gr. loads from Underwood in .357 Mag for my 4" Ruger GP100, and I can't wait to shoot them off. Great video!

[@jr10]

Gotta Love Underwood! Great Vid!

[@hambone7777777]

.40S&W rocks, nuff said!....The deal with Underwood hi-vel is that +P is only ideal for shorter barrels, lighter weight guns. Where guys don't want to always use cuz of increased recoil, effort, pain, misses, etc. I'm talking about pentr. parameters that are altered, as shown here.

[@RumblestripDotNet]

I have only shot the FMJ's in the Underwood 357 Sig, but our of a Glock 32, there is a NOTICEABLE difference between it and the Speed Gold Dots that I carry. I'm guessing that the extra weight of the slide in the 22/31 makes that much of a difference. I did try out the Strike Industries Shock Buffer in it tonight and it did help some. Still 50 rounds is about my limit before it starts to really fatigue my hand.

[@IndyMotoRider]

Be nice if Underwood would make some more of this. Been out of stock for ages it seems.

[@Mrgunsngear]

+William S indeed

[@cowboysruntheeast8603]

William go to underwood website and order some, I just did.

[@SSSDiaz7]

Based on what I saw you got a velocity avg of about 1550 fps which is sick, but is it a standard 4.49'' barrel? If it is those rounds are smoking hot, and I have been buying Underwood ammo for a little over a year and I got me some of their new FMJ bonded loads rated at the same 1475fps. Do you think I can get a full 1400fps out of a subcompact given that you got way over that? Also, do you think their FMJ .357sig would be suitable for piercing automotive metal and glass well?

[@Mrgunsngear]

I suppose it would depend on which bullet they used and what it was loaded to; too many variables to throw out a guess there.

[@astroidother3609]

This is my carry load in my P239. Thanks for the review.

[@Mrgunsngear]

Thanks. Will do.

[@smorris584]

Great load... shot it from my g23 with a lone wolf .357 sig barrel... super hot...

[@Mrgunsngear]

No doubt about that.

[@Mrgunsngear]

135gr 10mm is a smoking round from Underwood as well.

[@Lexicologist1971]

It is a smoking round in 40S&W too; 1400 fps.

[@Aleks9x19]

Wow that's a smoking load!

[@venturahwy76]

Very speedy round!

[@andyamysarizonaadventures5450]

my favorite bullet.I put the first 2 in my Glock 32 these,than the rest Sig v crown.

[@eddiearchuleta615]

FYI the new Underwood 125 gold dot only goes 1480 from my g31 they watered it down just tested it yesterday

[@MrChamberlaindavidd]

This is to bad but been hearing it a lot. Wish somebody would gel/crono test this new Underwood on camera. 1480 is still spicy compared to most company's loadings but would be nice to see the difference compared.

[@eddiearchuleta615]

I have some from a small company in Idaho 125 grain 6 petal gold dots in star line brass I get 1580-1600 in my Glock 31

[@MrChamberlaindavidd]

@@eddiearchuleta615 Interesting. Do you happen to have a link to the company?

[@Mrgunsngear]

Indeed

[@n300zx931]

Nice videos man. You look the part and it makes the experience more enjoyable. You also seem like you'd be a very approachable guy on the street. Keep up the good work.

[@Mrgunsngear]

Thank you

[@porkchopspapi5757]

He's hitting on you.

[@johnt4286]

Yeh, and mine is a brand new Gen4 so the barrel isn't nearly broken in yet either I'm sure

[@Mrgunsngear]

Thank you.

[@Youngguns173SW]

Great videos good job..New sub here I like your positive attitude. Ive become a huge fan of the 357sig I have it in Sig SP2022 and M&P. I saw your vid with your Boxer named Glock thats cool my American Bulldog is named Sig. Thanks and have you shot or own a Sig SP2022 in any caliber? Great gun they get overlooked I think.

[@MrSixstringthing]

great video, poopoo on the 9mm, I do love the 357 sig load and hate the fact the market has gone to 9mm. 357 sig ammo is ~200 fps faster and 160 more foot pounds of energy are pros as far as cost, I own so much 357 sig ammo it will last a life time so thats a non issue.

[@Swampytheroot]

Lawmen's Supply in Raleigh has maybe 100 cases of 125gr TMJ Lawman at thirty ¢ a round. I couldn't find reloads anywhere near that figure

[@SSSDiaz7]

too heavy for a recoil spring, especially for the dynamo recoil this puppy kicks out, but maybe the heavier striker spring that came with the recoil spring setup might give the gun reset issues so I switched over to the stock striker spring. You think it will help?

[@RumblestripDotNet]

Thanks! Put in an order for one with Glockmeister last night..

[@ianarno]

Thanks for the vid. Do you have any issues with the .357 barrel in the G22?

[@Mrgunsngear]

Thanks. Interesting.

[@Mrgunsngear]

Indeed. Over 650 ft/lbs energy with a 15+1 capacity---nasty.

[@Mrgunsngear]

Thanks.

[@echo4491]

I'm new to 357SIG and liked this video. But just to clarify for my own knowledge, higher velocity of a particular round/load = less penetration generally? Thanks.

[@Mrgunsngear]

+Ed Cho yes

[@stevemiller7433]

Higher velocity = greater expansion = larger diameter/more drag = less penetration

[@Mrgunsngear]

There was one slight 'talon' on the bullet.

[@Mrgunsngear]

Perhaps if they'd send me a box due to viewer demand :D. I've got tons of defensive 357SIG currently and certainly don't need another round.

[@Mrgunsngear]

I haven't gotten my paws on any yet.

[@garrettandrews79]

Great channel! Would like to see Winchester t series in .357 Sig. Also, if you use distilled water while making your gel you get clear gel. Great lakes geletin is supposed to be the best. Thanks again for your efforts

[@Mrgunsngear]

I may get to it. I don't use water with the clear ballistics gel.

[@1demochad1]

General question; Is it a good idea to carry hollow points for defensive purpose or fmj? Right now I'm carrying 6 hollowpoints backed by 6 fmj's in my glock26 10+3 mag. Just in case somebody hides behind something. Good or stupid?

[@tthomp57]

Do you know is there a cheap alternative ballistic gel option available for home testing? Thanks for the great work and keeping it short and to the point!

[@Mrgunsngear]

This seems to be as cheap as it gets.

[@gwarr556]

Another great vid.

[@guardianminifarm8005]

Good job. Thanks for providing us with great data, content, & entertainment. I would greatly appreciate your thoughts & a test on Underwoods 65gr. Extreme Defender from this same gun. We truly enjoy & appreciate your videos.

[@SSSDiaz7]

I bought a couple boxes of this Underwood stuff like 4-5 months ago and 2 weeks ago I went to test their kicked up 1475 fps load they started offering at the begging of this year and to my surprise after 25-30 rounds I started to get trigger reset issues, could it be that this ammo is just too damn hot to run in a sub compact Glock 33? What do you think? I Have a lone Wolf uncaptive recoil spring 18lb which is just a pound or two more than the stock recoil setup so it should not be [cont....

[@cityguyable]

So instead of getting a Lonewolf or Stormlake Stainless Steel barrel that sticks out like a sore thumb, I can just buy a Black Glock 31 Barrel for My Gen 4 Glock 22? Are any other mods necessary if you do that?

[@Mrgunsngear]

For some reason I though you wrote "Even hotter than 10mm" above. My bad. I agree 357Sig is an excellent bullet all the way around.

[@RumblestripDotNet]

Would you think going to a 22lb spring would be too much? Thanks!

[@MrTellboy]

Mrgunsngear I have a question. For Home defense. If someone breaks into your house at night an you had to choose between a 200 grain 40cal glock 23 or a 124 underwood 357 sig... which would you grab to save your life?

[@murcielagosv9244]

If you're shooting 200gr .40 you're stupid. 165gr in .40 once you start pushing 200 you might as well get a 230gr .45. Also I would grab the sig(630ft lbs) not the .40 (450 ft lbs). Underwood .357 sig is practically .357 magnum hot and I would take that all day over any semi auto cartridge.

[@johnt4286]

How far was your chrony from muzzle? I'm only getting 1500-1520fps out of my G31 from 10ft

[@sgp8623]

Would you like to test Grizzly 357 SIG 147 gr JHP with 1500 fps? It's looks like it's the most powerful ammo for 357 SIG on the market.

[@Mrgunsngear]

+SGP maybe one day

[@coolstuffreview3457]

Any interest in doing ballistics on the drt 357 sig? Thanks for all your great videos!!

[@Mrgunsngear]

+Coolstuffreview no, thanks.

[@Jimmiejlew]

Could you run a test on the Underwood .357 Sig 90gr Extreme Penetrator? Thanks for videos.

[@alphabetcommunity793]

Who is that shredding drums in the beginning?

[@TACTICALCHICKENSTRIP]

How much penetration do you think a 147gr will get if underwood made one?

[@paulscountry456]

That is a Stopper....wow

[@RumblestripDotNet]

Excellent!!! Thanks!

[@TommyboyGTP]

I'm seeing Critical Duty in .357 Sig showing up in stores. Any chances of you testing that?

[@Mrgunsngear]

Tommy TwoGun Maybe.

[@venomea]

Where did you get a Glock 31 barrel they ask for a serial number when ordering

[@1demochad1]

Is there a way to put a message in while sharing?

[@Mrgunsngear]

I honestly don't know; maybe someone else can help out.

[@Mrgunsngear]

Not with ammo this hot; it's probably about right.

[@Mrgunsngear]

Tracking.

[@Mmyers1177]

Can somebody please test Underwood 357SIG Sierra JHP Ammo. They are currently in stock with around 100 boxes for sale. Cost as much as target ammo around $35 per box. This is the same bullet CORBON uses in MOST OF THIER ROUNDS.

[@M4A3]

Underwood uses Nosler, not Sierra.

[@tonydavis20]

How is Underwood reliability compared to the second to none Speer/CCI primers ?

[@Mrgunsngear]

+tony davis I've never had a failure

[@Junior-zf5ed]

Hay i have some underwood 357 sig 147 grain and double tap sig 357 115 grain would like to see both tested i would like to send you some of both if you would be willing. Thanks.

[@Mrgunsngear]

Shoot me a private message.

[@M4A3]

I got 1527 average from a Glock 32 with the Underwood 125, and 1480 from my Glock 33.

[@Mrgunsngear]

thanks for the report

[@M4A3]

@@Mrgunsngear I've tested a lot of Underwood 10mm if you're interested in those numbers too.

[@ccccxxe31]

@@M4A3 would you recommend this round on the glock 33 knowing the barrel size ?

[@jkane797]

Anyone test the Sierra yet? Just got some from Underwood.

[@tomkatusa912]

How does Underwood's 40 caliber perform in the same platform?

[@Mrgunsngear]

not sure

[@wrr2112]

Can you please tell me where you purchased this 50 rd. box? Thank You!

[@adamshaw8214]

They no longer come in those boxes. 20 round boxes only.

[@DEATHTOISISANDAL-QAEDAKILLALLT]

Thanks as always for your information, I think I will order a 357 Bar-Stol barrel conversion, for my God.

[@Mrgunsngear]

DEATH TO ISIS AND AL-QAEDA KILL ALL TERRORIST Awesome.

[@DEATHTOISISANDAL-QAEDAKILLALLT]

In your opinion for what conversion barrel would you go with when I convert my G20 to a 357 sig? I know. Bar stow makes a 357sig, I believe lone wolf does as well, but I think KKM only makes a 40 caliber. I want a very good barrel, what's your opinion, thank your sir.

[@Taprack13]

DEATH TO ISIS AND AL-QAEDA KILL ALL TERRORIST Now that's a name! 👍

[@tonydavis20]

Are these sealed primers?

[@Mrgunsngear]

not sure

[@porkchopspapi5757]

Why?

[@markeisenhower6422]

can i fire this round in glock 31 gen 4 with unsupported chamber?

[@Mrgunsngear]

don't know

[@tymanG19fan]

That little golddot looked like it was showing some (talons) idk=-O

[@mauricejames5982]

Does this hit harder than 10mm

[@cardude1992]

I don't think so.

[@TOBORE8THMAN]

Sure does. That's because the overwhelming majority of commercially available 10mm ammo is simply warm 40 S&W ammo. Only be concerned with boutique manufactures like Underwood and Buffalo Bore because their loads exceed maximum SAAMI specifications (still safe...barely).

[@Mrgunsngear]

Right....... :D

[@thomasanthony87]

i wonder how these would perform out of a 6 inch barrel

[@Mrgunsngear]

thomasanthony87 Don't know.

[@thomasanthony87]

i was thinking about buying one from lone wolf but i don't know if it will be worth it

[@adamshaw8214]

To bad they only come in 20 round boxes now.

[@TheFacelessMan82]

This cartridge makes me want a Glock 32 for EDC and home defense.

[@Mrgunsngear]

👍🏽

[@Mrgunsngear]

+1

[@Mrgunsngear]

No. Sorry.

[@kevinrichardson8859]

125 grains @ 1550fps...handing 40sw and 45acp their asses!!!