38 Special Full Wadcutter stability?

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38 Special Full Wadcutter stability?

Post by inthebeech on 5/10/2012, 7:43 am

First topic message reminder :

Does it make sense that my 148 grain Lyman 358495 target bullet moving at 775 f/s, which groups off of bags at 25 yards in to less than one and a half inches, would become so unstable at 50 yards to open up to 6-8 inches?

It's my fault for not practicing much at fifty yards and discovering this earlier, but I really don't need this problem three weeks before my first BE match.  I don't want to have to be doing 'load development' any more this season, but I'm glad to have discovered this now.
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Re: 38 Special Full Wadcutter stability?

Post by tenx9 on 11/20/2013, 9:32 pm

I've tried all manner of 148gr swaged bullets and indeed 50yd accuracy is lacking. I've got 2000 Rem 148's from Precison Reloading and I am hoping for the best. Never tried them. I'm not going to push the bullets so fast that it equals the recoil of my .45. No point. I'm now trying W231 and then might resort to Power Pistol, which might have some merit. I tried 4.0gr of W231 with a Berrys 125 and the results might indicate that I indeed go to a lighter charge. 4.2 to 4.6 was absolutely horrible. The 4.0 load had 2 three shot clusters about 3 1/2" apart. Years ago I gave up and just used my .45. Now because of bad shoulders and elbows, trying again

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Re: 38 Special Full Wadcutter stability?

Post by dronning on 11/20/2013, 9:41 pm

Model 52-2 .38 special Remington 148 HBWC loaded with 2.4-2.5 of Clays very accurate at 50yds.  If you push the HBWC too fast the skirts blow out and accuracy - well there is none at that point.


Last edited by dronning on 12/9/2013, 7:36 pm; edited 1 time in total
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Re: 38 Special Full Wadcutter stability?

Post by rvlvrlvr on 11/20/2013, 10:52 pm

inthebeech - you mention using Speer HBWC bullets before trying the Remington HBWCs. Were the Speers the 'new' ones with that hard, slippery-feeling coating/lube on them? If they were, I'd wonder if that wasn't the reason for the poor grouping. 

My own anecdotes: I tried the Speer HBWC over 3.1gr W231 out of a 6" S&W Model 686-5 revolver with the 'new' EDM-cut rifling in the barrel, and found it couldn't group worth a darn. My shooting buddies all tried the Speer 98gr .32 HBWC bullets in thei Hammerli 280 pistols and they were also experiencing inconsistencies (and even keyholing). When we all switched to something else (I went with those Remington 148gr HBWCs in my wheelgun; they went with Magnus Cast 98gr WCs for their pistols), acceptable groupings (with no keyholes or uncalled fliers) returned.


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Re: 38 Special Full Wadcutter stability?

Post by Fritz Ficke on 11/27/2013, 5:04 pm

One of the challenges with shooting the slow .38 wc is you have to have really good follow through to not "key hole"  even with the best ammunition.

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Re: 38 Special Full Wadcutter stability?

Post by inthebeech on 5/23/2014, 11:02 am

Ok, not that all of this advice was not useful; in fact there are some great tips.
But I have to come clean or perhaps this final bit of information will cause fellow shooters to keep an open mind when encountering similar problems.
Somewhere in the early history of this revolver, I lodged a bullet about an inch from the muzzle and, you guessed it, pushed it out without even knowing it and bulged the barrel.  Becaue I did not notice it, the search began for the cause of sudden inaccuracy, which led to the start of this thread.  I have since had a great revolversmith replace the barrel and guess what?  My original load is once again shooting ragged holes at 25 yds with very little effort. 
We never stop learning.
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Couldn't Resist.

Post by rbwillnj on 12/29/2014, 8:17 pm

50 Yard target, Ransom Rest, Star Reloader of course.
In case you can't read the data on the target, 2.7 grains of 700X, Remington 148 Grain HBWC
Winchester SPP and I think it was Federal Brass, but it might have been Winchester.  I use both but I don't mix.

At an average velocity of 793 fps, that's about the same speed as my 45 wad loads.
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.38 loadings

Post by Keithcrc on 9/9/2017, 11:28 pm

Good luck in your quest. In my experience .38s are fickle. When you do find a load they aren't very forgiving if you are not doing your part. 2.8 or 2.7 of Bullseye behind a HBWC is usually an ok load and leave some lead showing.

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Re: 38 Special Full Wadcutter stability?

Post by Allgoodhits on 9/23/2017, 2:42 pm

A lot of good info has been provided by many. My thoughts are these:

I have never attended a pistol match where the shooting was done by Ransom Rests. Tailoring the ultimate load is useless, if you don't shoot that load well out of your gun, from your hand(s) during the allotted time for the strings. Instead of best accuracy, I look for acceptable accuracy range given a shooting distance requirement. From there, I try to determine if there is a load, a bullet, a powder combination, that permits "me" not my Ransom rest, to perform the best. Sometimes, it may not be the most accurate load. 

I have some guns that have a slight edge on accuracy, and others which for whatever reason the trigger feels better, or I shoot it better. My preference for shooting a match is the gun with the "better" trigger "to me" as long as the accuracy is within that acceptable range. It doesn't matter how accurate your load is, or how accurate your gun is, if off hand, you shoot too many bad shots with it because of the trigger, grips, sights or whatever else. The Champion is often not determined by the best shots on the target, but by the fewest number of poor shots on the target.

WC velocities: Let me just say there are a lot of folks who shoot .38 spl 148 gr WC in NRA Action Pistol where we have a power factor floor. To reach that floor the bullets need to chrono at 810+fps. Most will load with a cushion 4-5%, so they run 840+ fps. ZERO, SPEER and "sometimes" Hornady HBWC will shoot 2" or less at these velocities, and many who run cast DEWC may go to 870-890 fps. The accuracy standard is 2" maximum at 50 yds. The point being, that 2" of less 50 yd groups are obtainable with 148 gr WC's from the high 600 fps to almost 900 fps. Most HBWC prefer the lower speed range, some DEWC or BNWC actually prefer the higher end. Bayou Bullet 138 gr BNWC run best around 900+/- fps. So sweet spot is one thing, acceptable accuracy range is yet another.

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Re: 38 Special Full Wadcutter stability?

Post by james r chapman on 9/23/2017, 2:48 pm

I generally go with the loads H.M shooters posting high 90's SF and 100- hi x tf and rf,

Good enough for me not to reinvent the octagon wheel,
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Re: 38 Special Full Wadcutter stability?

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