5.7x28 Random Reloading Discussions

Reloading info for the 5.7x28mm

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Grantness
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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 08 Jun 2011, 07:04

The only prob I have with mine is the twist is 1in12...that's the only way T/C custom shop would make. As a result, my 18.5" barrel gets about the same velocities as a PS90 with the same loads. OTOH, I can certainly get a whole lot more speed out of it than any PS90 w/ loads that would be considered insane out of a blowback gun. If you get one, try Match Grade Machine or something similar.

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Re: 5.7x28 Random Reloading Discussions

Post by iFire » 14 Jun 2011, 21:25

I'm going to start testing the 35gr NTX soon...

I have a feeling this is going to become my favorite bullet for the 5.7 :D

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Re: 5.7x28 Random Reloading Discussions

Post by VeTTeMaNC486 » 14 Jun 2011, 21:44

If someone would make a gas operated weapon that chambered this cartidge that took fsn (or ps90 for that matter) mags and cost <2k I'd be all over it. Seems with a locking bolt it would open the door a bit with powder choice. Would be neat to have a barrel/bolt/mag made for the desert eagle :laugh:

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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 14 Jun 2011, 22:30

exactly, ive been calling for that for a long time. One guy managed to convert a normal AR to shoot 5.7 and he's posted test results. 'nother guy...what's his name....dangit :wall: ...old sponser... was seriously looking into converting m1 carbines in 5.7(?) johnson to shoot 5.7x28 before he got cancer and had to take it easy.

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Re: 5.7x28 Random Reloading Discussions

Post by panzermk2 » 14 Jun 2011, 22:34

That was Venry and he lost his battle.
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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 14 Jun 2011, 22:38

OH MY GOD, was that while I was gone??? That's such a shame. I had a lot of great correspondence with him and he sounded like a great, talented man...

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Re: 5.7x28 Random Reloading Discussions

Post by Rapier1772 » 14 Jun 2011, 22:47

Sep 19th, 2010 Jay said Venry had passed from a relapse "a while back" in the 10mm CCW thread. I am not sure how far a while is though. You haven't been gone THAT long :)
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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 14 Jun 2011, 22:54

Actually I think I left right around that time....at least thats when my problems started. may not have been following that thread. who knows :?:

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Re: 5.7x28 Random Reloading Discussions

Post by VeTTeMaNC486 » 15 Jun 2011, 09:00

panzermk2 wrote:That was Venry and he lost his battle.
Sorry to hear that.

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Re: 5.7x28 Random Reloading Discussions

Post by VeTTeMaNC486 » 15 Jun 2011, 09:01

Grantness wrote:exactly, ive been calling for that for a long time. One guy managed to convert a normal AR to shoot 5.7 and he's posted test results. 'nother guy...what's his name....dangit :wall: ...old sponser... was seriously looking into converting m1 carbines in 5.7(?) johnson to shoot 5.7x28 before he got cancer and had to take it easy.
Seems like I remember seeing that ar somewhere. It has been a good while though.

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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 15 Jun 2011, 09:19

I;ve forgotten way to many names/handles since I left... I remember the people, but Im bad w/ names. I'll post it as soon as I remember. I know i've got some PM's from him down in the depths of my massive, cluttered inbox.

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Re: 5.7x28 Random Reloading Discussions

Post by eVenom » 15 Jun 2011, 14:53

iFire wrote:I'm going to start testing the 35gr NTX soon...

I have a feeling this is going to become my favorite bullet for the 5.7 :D
Doesn't that round look COOL! I m exited to see your data! and some pics of it mounted!

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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 15 Jun 2011, 15:42

Prob the best 35gr jacketed bullet out there... remains to be seen if it will be able to top the 40gr bullets in performance...

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Re: 5.7x28 Random Reloading Discussions

Post by iFire » 15 Jun 2011, 19:04

eVenom wrote:
iFire wrote:I'm going to start testing the 35gr NTX soon...

I have a feeling this is going to become my favorite bullet for the 5.7 :D
Doesn't that round look COOL! I m exited to see your data! and some pics of it mounted!
Soon :thumb:
Grantness wrote:Prob the best 35gr jacketed bullet out there... remains to be seen if it will be able to top the 40gr bullets in performance...
Grant - your right, to date the best bullet has been the 40gr for maximum ft/lbs... This 35 grain might give it a run for its money - we will see... the biggest problem has been availability, especially of the 35 NTX - seems to have been in and out of stock... But I am getting a bunch real soon, probably around 1k :D

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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 15 Jun 2011, 19:31

yep, i've never been able to get ahold of any... Personally I'd rather have a 36gr PFP :D

Wish someone would make a jacketed 40gr NXT type bullet. surely there's a demand... vmax's and nosler ballistic tips are top sellers and more and more states are passing lead free laws.

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Re: 5.7x28 Random Reloading Discussions

Post by eVenom » 15 Jun 2011, 20:33

a few years ago I remember seeing a custom 25gr .224 bullet.... I would like to see this out of this cartridge and get 3000fps out of the handgun :drool: :drool:

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Re: 5.7x28 Random Reloading Discussions

Post by iFire » 15 Jun 2011, 20:35

Grantness wrote:yep, i've never been able to get ahold of any... Personally I'd rather have a 36gr PFP :D

Wish someone would make a jacketed 40gr NXT type bullet. surely there's a demand... vmax's and nosler ballistic tips are top sellers and more and more states are passing lead free laws.
Grant - Nosler makes a 40gr lead free .224

example:

http://www.midwayusa.com/viewproduct/?p ... g-_-981434" onclick="window.open(this.href);return false;

I have tried the 35 gr Nosler LFBT but not the 40gr. The 35 grain is very good. Thats why I want to give the 35 NTX a whirl :thumb:

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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 15 Jun 2011, 20:38

well, it depends on the shape and materials used in the bullet. if it's basically a smaller 30gr Varmint grenade or Vmax then its not going to get great velocity for its weight and never achieve the kinetic energies of a 40gr vmax or 28gr ss195 loaded to the max. Might be able to get 3000fps or there abouts out of EA's forthcoming 8" barrel or the Excel Accelerator 8.5" barrel (when it comes out) using a 28gr SS195..... Don't know just yet though.

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Re: 5.7x28 Random Reloading Discussions

Post by Grantness » 15 Jun 2011, 20:40

iFire wrote:
Grantness wrote:yep, i've never been able to get ahold of any... Personally I'd rather have a 36gr PFP :D

Wish someone would make a jacketed 40gr NXT type bullet. surely there's a demand... vmax's and nosler ballistic tips are top sellers and more and more states are passing lead free laws.
Grant - Nosler makes a 40gr lead free .224

example:

http://www.midwayusa.com/viewproduct/?p ... g-_-981434" onclick="window.open(this.href);return false;

I have tried the 35 gr Nosler LFBT but not the 40gr. The 35 grain is very good. Thats why I want to give the 35 NTX a whirl :thumb:
huh, i checked just the other day and must have missed it. I wonder if it's designed like the NXT's (little bit longer).... Def need to test that! If we can squeeze more velocity out of it than the 40gr ballistic silvertips, it'd be perfect to throw in my carry mag behind the 28gr bullets and PFPs.

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Re: 5.7x28 Random Reloading Discussions

Post by iFire » 15 Jun 2011, 20:44

The 35gr Nosler lead free bullet is longer than the 40 gr Vmax and it has more bearing surface as well... The 40 would be even longer/more bearing surface I am guessing...

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