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Re: 5.7x28 Random Reloading Discussions

Posted: 13 Aug 2011, 19:34
by VeTTeMaNC486
Nothing wrong with the Lee Handpress as long as you don't over do it. More than enough for sizing 5.7 and pistol cases. .223 and .45-70 is fairly easy with it as well. I tried to use it for .50ae and thought I got the case stuck in the die. I will never try that again. Like to never have gotten it open.

Re: 5.7x28 Random Reloading Discussions

Posted: 17 Aug 2011, 19:05
by MikeSantor
So what is everyone using for trimming besides the trim pro???

I got my lee press and decapper today. Not to bad of a set up. Got a couple hundred done. Got a couple thousand left...

Re: 5.7x28 Random Reloading Discussions

Posted: 26 Aug 2011, 08:01
by MikeSantor
Just got off the phone with Hornady to get a LNL plate. The good news is he made an extra plate whenever the last order was placed, the bad news is it was a little more expensive than I thought. I thought they were like $119 shipped. I think my total came out to like $135 after shipping. Ahh well.

Re: 5.7x28 Random Reloading Discussions

Posted: 26 Aug 2011, 21:07
by VeTTeMaNC486
MikeSantor wrote:Just got off the phone with Hornady to get a LNL plate. The good news is he made an extra plate whenever the last order was placed, the bad news is it was a little more expensive than I thought. I thought they were like $119 shipped. I think my total came out to like $135 after shipping. Ahh well.
Aren't you supposed to size seperately with that set up? I guess it doesn't matter if you are having to trim.

Re: 5.7x28 Random Reloading Discussions

Posted: 27 Aug 2011, 03:05
by MikeSantor
Vette, I really dont know as I am kind of flying off the seat of my pants. Never reloaded before. this is how I am doing it.

On singls stage:
Decap
Lube
resize
trim
clean primer pocket
clean

On LnL:
prime
charge
crimp



From all my research I believe this to be the correct order...

Re: 5.7x28 Random Reloading Discussions

Posted: 27 Aug 2011, 05:22
by VeTTeMaNC486
MikeSantor wrote:Vette, I really dont know as I am kind of flying off the seat of my pants. Never reloaded before. this is how I am doing it.

On singls stage:
Decap
Lube
resize
trim
clean primer pocket
clean

On LnL:
prime
charge
crimp



From all my research I believe this to be the correct order...
Might want to seat a bullet after charging :D .
Just messing with you. May I ask, how are you crimping?

And about the shell plate, it seems it has been posted before that the hornady LnL shellplate doesn't support the case enough (primer hole too big) and the case can get messed up. With the need to trim this caliber after basically every firing, I guess it doesn't matter.

Re: 5.7x28 Random Reloading Discussions

Posted: 27 Aug 2011, 08:23
by MikeSantor
Bullets are too costly for my blood. I'm loading spitballs for practice.

As for crimping, Im getting a die that is made from Grantness. He moddifies a Lee crimp die to work on the 5.7.

As far as the lnl goes, I have heard conflicting stories. The keymaster says you just can not decap. Then I read another member who's name slips my mind, said he does everything on the lnl with no problems. Who knows. I guess ill find out soon.

Re: 5.7x28 Random Reloading Discussions

Posted: 28 Aug 2011, 15:02
by TKO
New to this forum, but not to volume shooting. I admit I've done far more pistol than rifle, but here is all I've done to successfully reload the 5.7:

Redding 2 die set
Hornady One Shot Spray
Single stage for now,rather than Dillon Progressive
RCBS powder measure
40 gr. V-Max bullet
Winchester AutoComp

The Redding dies are smooth and work well. Surprised how the bullet seating & crimp worked out (technique learned from Redding). Bottom line, all good (even without cleaning primer pocket). No case trimming to date after four reloads, just using Elite case gauge to tell me. Accuracy & reliability: excellent.

Re: 5.7x28 Random Reloading Discussions

Posted: 04 Sep 2011, 14:58
by Rodentman
I've decided to use the new RCBS crimp remover tool (90386) in the case prep center. I can seat the primers w/o using it, but they seat easier, but still firmly seated, after crimp removal. And the primer will have a better seal in the case. I use a B&D cordless screwdriver and the Lee lock stud and cutter setup. I chamfer and debur on the case prep center with the new carbide tools.

Re: 5.7x28 Random Reloading Discussions

Posted: 05 Sep 2011, 09:33
by iFire
Heres a bit of data from a recent outing...

AutoComp in the PS90 is nearly un-touchable for consistency, smooth operation, and reliability in all of my testing - and all of these rounds came out of the Dillon, so it obviously meters well...

5.2-5.5 grs of AutoComp with a 40gr Vmax is my prefered 'sweet spot' in the charge range to pull the most consistency and reliability...

--------------
PS90 - Triple Rail

5.5 grs Autocomp
40 gr Vmax
CCI400
SS197 Brass

2280 fps Average
9 fps Standard Deviation
N=15

Notes: Very accurate, ridiculously consistent...
--------------
PS90 - Standard

5.5 grs Autocomp
40 gr Vmax
CCI400
SS197 Brass

2234 fps Average
10 fps Standard Deviation
N=20

Notes: New(er) gun than my TR, getting a little less velocity probably until it breaks in a bit more...
--------------

Re: 5.7x28 Random Reloading Discussions

Posted: 12 Oct 2011, 12:26
by s64woody
Grantness and all others. I suspect we could find a linear correlation between the bearing surface of a given projectile and the mass of the projectile. We already know two "sweet" spots in this function: SS195 and SS197. One possible complication is that the two bullets use different density cores. It appears to be all about a friction to mass relationship, no?
Many of the different bullets in the mid 30 grain wt. range appear to not work well in the blowback action because this relationship of bearing surface to mass does not allow the bullet to "tune" with the pressure cycle of the Fn pistol. Probably true for the rifle, have not gone there.
will think more on it, and maybe run some figure if I can.

Re: 5.7x28 Random Reloading Discussions

Posted: 19 Oct 2011, 09:55
by davemodica
im using the redding fl die, the shoulder looks nothing like the factory shoulder when i get done, are you guys getting the shoulders to return to their original shape?

Re: 5.7x28 Random Reloading Discussions

Posted: 26 Oct 2011, 20:22
by WolfRulz
iFire wrote:
VeTTeMaNC486 wrote: We don't really learn much about that kinda stuff in my Electrical Engineering classes :laugh: . (Which I am finally starting to get into after taking so many freaking core classes/pre-reqs... 2 more years and counting... :D ).

iFire, if you do not mind, could you post a picture of the projectiles in question side by side (40gr vmax, 35gr nlf, 35gr nxt, and possibly the 28gr ss195), it would probably go well with our discussion.
3 years of Various Physics, 2 years of BioChemistry, 4 years of Physical Chemistry and 2 years of Organic Chemistry - Im glad college is just a memory now for me...

Good luck with your final 2 years :p

Some where Nuclear Rocket Science is going to come inot play here and I'm going to fall back to STICKS and ROCKS :laugh: - but seriously - there is so much great info here, I find myself spnding days digesting -- so many great posts. Thanks to all - great pointers. :thumb:

---

I have Lots of .224 bullets, including the few you mentioned - when i get the NTX's i will post a pic of as many of them as possible in a neat little line...

Re: 5.7x28 Random Reloading Discussions

Posted: 11 Nov 2011, 14:12
by MikeSantor
Best part about working for a construction company is when there is nothing to do, you get to build stuff.

Started my reloading bench. 1' thick MDF for the top with 1/16'' steel on the top. The will be a 1' deep cabinet and shelf across the back of it. Lets are getting made from 4''x 4'' green treated posts. All crap we have laying around the garage...

Image

Re: 5.7x28 Random Reloading Discussions

Posted: 16 Nov 2011, 21:01
by s64woody
looked at the Lee case trimmer system. Interesting, especially due to the possibility of using an electric drill to power the thing. Does anyone have some first hand experience using this system? I am concerned with the OAL changing with trash and such on the inside of the case at the primer flash hole. Most of my .308 cases have a a lot of "stuff" on the inside of the flash hole, and I suspect that would be a bad thing with this case.

Re: 5.7x28 Random Reloading Discussions

Posted: 28 Apr 2012, 16:14
by Rapier1772
Max chamber pressure on PS90 is the same as the FsN right? (50KPSI)
When do mags start popping though? Anyone do tests on that for the PS90?

Re: 5.7x28 Random Reloading Discussions

Posted: 28 Apr 2012, 22:01
by panzermk2
Rapier1772 wrote:Max chamber pressure on PS90 is the same as the FsN right? (50KPSI)
When do mags start popping though? Anyone do tests on that for the PS90?

Some PS90's start popping at 38,ooo psi.

Re: 5.7x28 Random Reloading Discussions

Posted: 28 Apr 2012, 22:10
by Rapier1772
Wow, that's lower that I thought. Thanks

Re: 5.7x28 Random Reloading Discussions

Posted: 28 Apr 2012, 22:26
by panzermk2
Rapier1772 wrote:Wow, that's lower that I thought. Thanks

Older riveted stocks are worse. Add in the stocks with the mold defect and things go downhill fast.

Re: 5.7x28 Random Reloading Discussions

Posted: 22 Oct 2014, 11:32
by CoryS78
So, I'm reloading 40gr VMAX over longshot and I was using iFire's data, it has been performing great but I'm curious the opinion on if this looks like normal shoulder setback:
Image
The case in the middle is a resized case as a reference. I've just read comments about shoulder separation and wanted to be sure I wasn't risking any issues before I loaded a couple hundred of them.

EDIT: I measured a resized case from the shoulder using a .28 comparator and the resized case was .932, the fired cases were in the .975-990 range. seems like a lot of movement to me, but I'm not sure how much is normal for this cartridge.