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This is a discussion on Hornady Lock & Load progessive within the Reloading forums, part of the Firearm Forum category; Originally Posted by Iowegan It appears I will not get an answer to my question in post #41 so I will answer it myself. I ...


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Old April 16th, 2017, 09:29 AM   #46
 
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Quote:
Originally Posted by Iowegan View Post
It appears I will not get an answer to my question in post #41 so I will answer it myself.

I can't speak for all progressive presses but the "precision" in rifle reloading comes more from the dies and less from the press. Of course all dies must be adjusted properly .... no matter what press you use and you must push the handle down until it stops to make sure all adjustments are maintained.

When I reload 223 Rems or 308 Win ammo on my Dillon RL550 progressive, there is absolutely no difference than when I load them on my Rockchucker single stage. The finished product looks and shoots equally well from either press. I use a RCBS small base sizer die, a RCBS bullet seater die, and a Redding taper crimp die. I rarely shoot over 250 yards but accuracy is the same from either press out to 250 yards. I think if there was going to be an accuracy issue, it would show up before 250 yards???

The reason for using a single stage press for rifle ammo is more for convenience not quality. I do spend some time on case prep .... cleaning cases before sizing, annealing and trimming cases after sizing .... all done in batches. This means if I use my Dillon, I have to remove the case after it has been sized then do the rest of the case prep. I have done this many times and it is still much faster to load with the Dillon despite an interruption for case prep. That said, if I am going to load a small batch, (20 rounds or so) I'll probably just use the Rockchucker because the total time needed will be a little less. Typically, I will load about 250 rounds of 223 Rem or 308 Win per session on my Dillon. It averages about 5 times faster so instead of spending most of a day reloading, I can do it in an hour and get the same quality results. With my other rifle cartridges, I seldom load more than a 20 round box in one session so the Rockchucker is a bit more convenient.
I can't speak about rifle but any handgun ammo I load either on my LNL or on my Rockchucker comes out the same. I used to use the single stage for loading small trial batches but just use the LNL and send one case through at a time.
Going to start loading 223 so may be different.



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Old April 16th, 2017, 11:28 AM   #47
 
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Originally Posted by Iowegan View Post
It appears I will not get an answer to my question in post #41 so I will answer it myself.

. . .When I reload 223 Rems or 308 Win ammo on my Dillon RL550 progressive, there is absolutely no difference than when I load them on my Rockchucker single stage. The finished product looks and shoots equally well from either press. . . . I rarely shoot over 250 yards but accuracy is the same from either press out to 250 yards. I think if there was going to be an accuracy issue, it would show up before 250 yards???

The reason for using a single stage press for rifle ammo is more for convenience not quality. . . .
Yes, the gains are *mostly* for convenience but there's at least one physical difference in the output. Whether it's important to you, or important at all, is certainly a judgement call you've clearly made. And I take no issue with that for your use.

But with slop both in the toolhead and in the subplate (due to varying pressures elsewhere around the press), there's an inconsistency in bullet seating depth on a progressive that will not occur on a single stage press.

Others report a difference in concentricity (bullet seating) between progressives and single stage. I use Hornady presses, and I cannot personally confirm a difference. But then again I chose the Hornady AP in part because it has no slop at the toolhead. I've never used a Dillon.

IME, the rest can legitimately be labelled "convenience" items, but I think it's a bit unfair to do so.

EG, one is unlikely to hand weigh each powder charge on a progressive. One is also unlikely to adjust bullet seating for each cartridge to achieve "identical" BTO lengths. And if one did choose to operate a progressive using a single-stage process, it's certainly far less convenient than using a single stage in the first place. But convenience for bulk ammo is why we buy progressive presses, isn't it?

Whether by choice of rifle or caliber or available shooter skill or goal, most of the differences are likely not visible out to (I'd guess) 300 yds. There a (eg) 50fps MV variation on a 168gr 308 projectile gives only ~0.75" change in drop and almost no change in windage.

Unless you get outside your load's sweet spot . . . which is easier to do on a 25gr 223 charge than a 43gr 308 charge.

So I certainly don't take factual issue with what you say . . . but I don't think it gives full justice to normal single stage precision work, let alone to the neck-turning, neck tension, bullet sorting crowd lol.

Last edited by Twoboxer; April 16th, 2017 at 11:32 AM.
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Old April 16th, 2017, 11:43 AM   #48
 
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I guess I coulda been a little more precise about the process, but I do use the LNL for decapping, full case and neck sizing etc, then go to the trimmer, then to a RCBS motorized unit for primer prep, chamfer, deburr etc, THEN to the ultrasonic for a couple of washes, and so on. Never liked the primer system on the LNL, prefer the meticulous and intimate nature of the hand primer, even for my pistol rounds... Having said all that, I am looking at another Hornady single stage just for case prep for the Lapua ammo... That will delete the necessity for changing the shellholder plate on the LNL for the rest of our number 1 reloads such as 45 ACP, .308, 6.5 Creedmoor etc. Not that Hornady is any better, I just like the consistency and the ability to quick change the dies. Also, in all my OCD measuring, I have never seen a difference between what I produce with the LNL and my old Chucker.
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