New M&P CORE 9L Ported - Ammo Issues...???? - MP-Pistol Forum

New M&P CORE 9L Ported - Ammo Issues...????

This is a discussion on New M&P CORE 9L Ported - Ammo Issues...???? within the MP Full Size Pistols forums, part of the Smith & Wesson MP Forum category; I bought a new M&P CORE 9L Ported w/5inch barrel... is there a particular ammo that can or can NOT be used in this gun...??? ...


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Old October 1st, 2016, 06:41 PM   #1
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New M&P CORE 9L Ported - Ammo Issues...????

I bought a new M&P CORE 9L Ported w/5inch barrel... is there a particular ammo that can or can NOT be used in this gun...??? I`ve got a full case of Federal Range.Target.Practice 115gr FMJ ammo, and on the back of the ammo box, it says NOT to use in a ported barrel, and NOT to use it in ported recoil compensator guns. This is the white box ammo from federal. (factory #RTP9115) Is this ammo to light to work in comp/ported guns...? Or is this ammo to hot to use due to maybe a lighter recoil spring...??? I cant find ANY information on how many pound recoil spring these CORE ported S&W`s have. Anyone know of the actual difference between the M&P recoil spring weight, ported vs non-ported...???

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Old October 1st, 2016, 06:59 PM   #2
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What is the composition of the jacket ? Maybe that's the reason? But to not use it in ported comp' guns? That makes no sense to me.

Can you post a scan or picture of the exact wording? Maybe a picture of the cartridge?

Hopefully someone else has some better ideas.
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Old October 1st, 2016, 07:13 PM   #3
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Originally Posted by BrianK View Post
What is the composition of the jacket ? Maybe that's the reason? But to not use it in ported comp' guns? That makes no sense to me.

Can you post a scan or picture of the exact wording? Maybe a picture of the cartridge?

Hopefully someone else has some better ideas.
Yeahhhh i knowwwww Brian, i`ve never heard or seen such a thing before either. Makin me wonder if i should have bought this gun today...lol. Anyway, i just happened to flip over the box of ammo and saw it on the back of the box with it written right above the spec`s. And it ALSO says, NOT FOR LAW ENFORCEMENT USE on the top of the spec chart. I wish i could post pics, but have no way of doing it. Maybe i`ll try to snap a pic with my phone and then email it to myself, save it to my pic files, then try to post it from there. Gimme few minutes, i`ll try it.

EDIT:
The jacket of the bullet is Copper metal jacketed

EDIT:
Not having any luck getting pics from my phone into my desktop pc.
I`ll try to grap some pics on a google search and see if i can post those instead.

EDIT:
No luck with pics

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Old October 1st, 2016, 07:23 PM   #4
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I've got a Model 629 stainless 44 magnum revolver with a ported barrel, I shoot my reloads with lead bullets in it, no problem at all. Theoretically you could get a build up of lead in the port, I've never found any lead in there at all. Personally I think I would try the ammo, but keep a close watch to see if you get any build up, regular jacketed ammo really shouldn't cause any problems at all.
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Old October 1st, 2016, 07:55 PM   #5
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Yeah, I was shooting lead bullets in the same type gun with no problems other than accuracy from a different problem. I think you'll be good too, but pay attention to G56s concerns.

I wonder if a lawyer that was involved in that label, but I still can't figure it; especially copper jacketed.

Nah, don't knock yourself out over the pix.
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Old October 1st, 2016, 08:25 PM   #6
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Quote:
Originally Posted by G56 View Post
I've got a Model 629 stainless 44 magnum revolver with a ported barrel, I shoot my reloads with lead bullets in it, no problem at all. Theoretically you could get a build up of lead in the port, I've never found any lead in there at all. Personally I think I would try the ammo, but keep a close watch to see if you get any build up, regular jacketed ammo really shouldn't cause any problems at all.
I get what your saying, but if it says not to use it, i think theres a good reason why they label the box telling you not to. Besides, your 629 isnt a polymer frame gun, your 629 is designed to handle most any ammo. Polymer guns are kinda limited with use of high pressure ammo. If i knew what kind of a charge is in the federal RTP ammo, that would be a different story. This ammo makes me think it might be some type of military NATO ammo, which is SUPER hot.

EDIT:
I have shot this ammo in my M&P shield, it was real hot from what i remembered.
So this new M&P CORE/Ported, concerns me due to the lighter 8-hole ported slide, which is lighter, most likely a lower power recoil spring.
I think this ammo would likely pound the sh_t out of this ported M&P CORE.

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Old October 1st, 2016, 08:31 PM   #7
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Quote:
Originally Posted by BrianK View Post
Yeah, I was shooting lead bullets in the same type gun with no problems other than accuracy from a different problem. I think you'll be good too, but pay attention to G56s concerns.

I wonder if a lawyer that was involved in that label, but I still can't figure it; especially copper jacketed.

Nah, don't knock yourself out over the pix.
I think its NATO ammo... but i dont know for sure...
Federal dosent even have it on their website.
Yeah i cant get pics to load
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Old October 1st, 2016, 09:51 PM   #8
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I found a link that may shed some light on this subject of the federal RTP Ammo. I have since compared it to other 9mm ammo i have here, seems this white box federal is a lighter load.

Federal White Box the Same as American Eagle? - Concealed Carry Forum
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Old October 2nd, 2016, 05:04 AM   #9
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If it's a light spring you're concerned about just replace it. But when you do you won't find one listed for the gun you have, just a generic spring that works in and is listed for many models of M&P. I very much doubt that our guns have a special light spring.
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Old October 2nd, 2016, 09:20 AM   #10
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If it's a light spring you're concerned about just replace it. But when you do you won't find one listed for the gun you have, just a generic spring that works in and is listed for many models of M&P. I very much doubt that our guns have a special light spring.
I agree Brian, if there is any difference, it cant be much, maybe only 1 or 2 lb difference in spring weight. I`m familiar with ported 1911 style guns, played with those for years. I`m just not familiar with the newer plastic guns with porting. Still the same animal so to speak. But what concerns me, is the slide being alot lighter due to 8 holes. I would think they had compensated for the weight loss with the slide, barrel porting, kinda made me think, much lighter spring. I`ll get ahold of S&W an see if they will tell me anything about the spring weight differences between the models with 5 inch barrels. I will also see if WOLFF spring company will give up any information on spring specs, maybe shed some light on what they recommend.

PS.... would like to hear from others in here, on what they shoot for ammo in their ported 5inch M&P`s, whether factory loaded ammo or their pet reloads (???)
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Old October 2nd, 2016, 02:01 PM   #11
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I think you have far more faith in S&W than I have, BTDT. They just slap these guns together out of parts bins (IMO) and few parts are different from run of the mill. I know you think you may have purchased an accurate gun with special consideration (I did too; it's definitely what I paid for), but their comp' guns are that in price alone, the reality is something different as I found out after paying my $. I hope your experience is better than mine.

After paying for a comp' gun and then paying to make it right, I would only buy a full size gun next time, save some $, and make that into a comp' gun.

But as I wrote, I hope you do better than I did.
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Old October 2nd, 2016, 06:30 PM   #12
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I think you have far more faith in S&W than I have, BTDT. They just slap these guns together out of parts bins (IMO) and few parts are different from run of the mill. I know you think you may have purchased an accurate gun with special consideration (I did too; it's definitely what I paid for), but their comp' guns are that in price alone, the reality is something different as I found out after paying my $. I hope your experience is better than mine.

After paying for a comp' gun and then paying to make it right, I would only buy a full size gun next time, save some $, and make that into a comp' gun.

But as I wrote, I hope you do better than I did.
LOL...i hear ya brother, same opinion here with todays mass produced guns. I just thought the gun looked pretty kool, so i banged down the cash on the counter and brought it home. Probably paid to much for it, but its ok, not the first time i`ve done the ole impulse buy, everyone is guilty of that eventually, live an learn i guess...lol.

Well, so far so good.... today i took the gun out to my range, put some rounds down the firepipe. Actually it impressed me for a brand new gun. No hic-up`s at all. The accuracy was pretty decent for a brand new gun not broken in, as well as me never shooting a full size M&P pistol before. I was well within 2 inch groups @ 10+yds thru out my afternoon shoot. I put some of the Federal American Eagle (115grFMJ) thru it first...functioned flawlessly.

Ok, here`s the low down on those white box federal`s (RTP9115). I know it goes against what i said earlier about using them, but i tried them in the ported M&P 5in. (bullistics were slightly lower than the american eagle brand, so i figured it wouldnt hurt the gun any, and it did not) Absolutely no problem shooting them. They shot just about the same as the red box american eagle`s. Maybe a hintful notice of them shooting a little lighter than the american eagle 115`s. Accuracy was identical to AE115`s.

So all in all Brian... the gun shoots very well. Only thing i`m not a fan of, is the S&W trigger... i hate the fact that it pivots in the middle. I think an APEX trigger will fix THAT issue. The sights i`m not crazy about either. I`ll be on the hunt for new sights too. The rear sight sets way back compared to the regular M&P guns. I suspect sights are gonna be an issue to locate. Do you know of any better sights that will fit these PRO CORE guns...???

Take care buddy
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Old October 2nd, 2016, 07:16 PM   #13
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A micro red dot. :-)

It'll take some gettin' used to, but once that's done it's both faster and more accurate. And for old eyes, like mine, it allows shooting a handgun at distance again. I can either see the front sight or the target but not both. For competition, and no-shoots and covered targets, one needs better than what I have for eyes. The red dot does that and the CORE is made for that right out of the box. I've never really competed so much as shot while others compete, but whatever I do, I'm doing it again, and getting better at it. Yes, at my age.

If you're accustomed to a 1911, you have the muscle memory already. Slap a red dot on it and you'll be right at home. At least that's what I found. For the past 15-20 years I've shot nothing but the 1911 grip angle and the dot was "right there" for me. One thing I miss seeing with a red dot is the slide as it flips, so I'm trying the SeeAll sight since the slide is completely gone during recoil with a slide mounted red dot. But I'm having problems mounting it to the CORE. The dovetail is smaller than normal. But I don't think it'll work since it doesn't put everything in the same focal plane. That leaves a red dot. I still plan to have my gunsmith modify the SeeAll male dovetail so that I can at least try the sight during my off season. I'll know right away if it'll work for my old eyes or not. Growing old sux and don't let anyone BS you about that. "60 is the new 40" is manure.

Oh well, yeah, a red dot. One doesn't even need a rear sight, just a front sight to learn to find the dot. After awhile you won't even need that. Right now my rear iron sight is removed, and I'm considering removing the front sight also. With the See All it'll definitely not be needed; that's if it works.

Please let us know how you make out.
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Old October 6th, 2016, 06:59 AM   #14
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A micro red dot. :-)

It'll take some gettin' used to, but once that's done it's both faster and more accurate. And for old eyes, like mine, it allows shooting a handgun at distance again. I can either see the front sight or the target but not both. For competition, and no-shoots and covered targets, one needs better than what I have for eyes. The red dot does that and the CORE is made for that right out of the box. I've never really competed so much as shot while others compete, but whatever I do, I'm doing it again, and getting better at it. Yes, at my age.

If you're accustomed to a 1911, you have the muscle memory already. Slap a red dot on it and you'll be right at home. At least that's what I found. For the past 15-20 years I've shot nothing but the 1911 grip angle and the dot was "right there" for me. One thing I miss seeing with a red dot is the slide as it flips, so I'm trying the SeeAll sight since the slide is completely gone during recoil with a slide mounted red dot. But I'm having problems mounting it to the CORE. The dovetail is smaller than normal. But I don't think it'll work since it doesn't put everything in the same focal plane. That leaves a red dot. I still plan to have my gunsmith modify the SeeAll male dovetail so that I can at least try the sight during my off season. I'll know right away if it'll work for my old eyes or not. Growing old sux and don't let anyone BS you about that. "60 is the new 40" is manure.

Oh well, yeah, a red dot. One doesn't even need a rear sight, just a front sight to learn to find the dot. After awhile you won't even need that. Right now my rear iron sight is removed, and I'm considering removing the front sight also. With the See All it'll definitely not be needed; that's if it works.

Please let us know how you make out.
BRIAN....!!!!!! WE ARE BROTHERS FROM DIFFERENT MOTHERS...!!!!!
You hit on the same subect(s) as i had been thinking as well... OH YES, red dot gonna get mounted, just as soon as i can decide which one i like. Yup, i`m at that 60 mark too, you`re RIGHT, 60 is NOTTTTTTTT the new 40....END OF STORY....lol. Both the sights are just a black blurr to me. And like you, i`m a 1911 guy at heart, have several of them.

Any suggestions on red dot`s...????
I`m looking at the Burris and the Trijicon`s. Pricey lil`basterds...LOL...!!!! I`d like to stay with what S&W suggest`s because the gun came with the exclusive adapters to put the red dots on the gun. I dont have a lot of money to throw around and test this test that and end up with something thats worthless to me...been there before...regrets regrets regrets.

I took the gun out on my range again yesterday morning... tried some of my own loads... @ 10yds its shootin 1/2 to 3/4 inch`s to the left, but the group`s are mostly 2 inch and under, so i`m happy with the accuracy, and will get get better with a red dot no doubt. Not to bad for an old guy that cant even see the sights i guess...lol.
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Old October 6th, 2016, 03:47 PM   #15
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:-)

Like you I don't have a lot of $ to be throwing around. Despite that, or maybe because of that, I put a Trij' RM06 on mine. As it gets brighter the size of the dot appears to grow larger, but it can be ramped down to get a fine aiming point. For competition I mostly just let it adjust brightness automatically and it's plenty bright. It's one rugged sight and I've never regretted the purchase. There are sights with larger windows if that's important. Go spectate at a action pistol match and ask questions of those with slide mounted optical sights. Folks will talk to you.

I'm going through the red dot selection process all over again for PCC (pistol caliber carbine). It doesn't need to be quite as rugged on the carbine, but I'll probably get another RM06 and know that it'll be more than rugged enough and be a spare for the handgun should I ever need it.

Last edited by BrianK; October 6th, 2016 at 03:50 PM.
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