Initial results with .38 Special 148 Bevel Base wadcutters and Trail Boss/Red Dot


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1KPerDay
September 29, 2011, 01:06 AM
Thought some may be interested.

Initial thread/s here:
http://www.thehighroad.org/showthread.php?t=602337
http://www.thehighroad.org/showthread.php?t=602484

I realize this data is not enough to make a clear judgement, but at first blush it appears that those who thought that a crimp might adversely affect accuracy were mistaken, at least in this combo in my revolvers. The Red Dot loads seemed better when crimped I think. They also didn't like being seated flush.

I also found it interesting that the crimped rounds in one load impacted/grouped significantly higher than the non-crimped ones.

The recommended Trail Boss loads were ridiculously light.

I'm still a noob at this, so let me know if you see anything missing that I should have noted in the notes below.

I also think I may need glasses. :rolleyes:

All groups are 5 shots unless otherwise indicated.



.38 Special Mixed brass CCI SPP Speer 148 grain Bevel Base wadcutters. Loaded in Lee Classic Turret, Lee deluxe dies. Brass/primers all look good.

2.1 Trail Boss seated flush, no crimp. 10 yards, seated from a rest.
M10 2” barrel: 3” Impact right, vertical stringing. Light recoil.
M28 4” barrel: 2” impact center low.

2.1gr Trail Boss seated to crimp groove, no crimp. 10 yards seated from a rest.
M10 ~4”, erratic pattern, low center
M28 <3”, low

2.1 Trail Boss seated to crimp groove, crimped. 10 yards seated from a rest.
M10 4 shots <2”, one flier 3”. Impact low, slightly right. Recoil maybe a bit more. Still light.
M28 <2”, low center

M10 15 yards 4”, 3 dead center in 1” group, 2 fliers together.
M28 15 yards, <3”, low

3.5gr Red Dot, seated flush, no crimp, 10 yds seated from a rest.
M10 3” group, 3 shots center, 2 shots low. Firm recoil.
M28 4 shots 1” dead center, one flier 2.5”. Nice recoil.

3.5gr Red Dot seated to crimp groove, not crimped 10 yds seated from a rest.
M10 4” impact left/center, unburned powder on ejection. Firm recoil.
M28, 2” Center.

3.5gr Red Dot seated to crimp groove, crimped, 10 yds seated from a rest.
M10 no unburned powder, 2.5” Impact .5” high center.
M28 some unburned powder, 1.5” group 1” high.

4.1gr Red Dot, seated flush, no crimp, 10 yds seated from a rest.
M10 4 rounds, 6” impact left/low. Sharp recoil similar to factory 158 JHP (shot back to back)

4.2gr Red Dot, seated to crimp groove, not crimped 10 yds seated from a rest.
M10 4” sharp recoil
M28 4 shots fired, 3 in 1” center, one flier 2.75” group.

4.2gr Red Dot, seated to crimp groove, crimped 10 yds seated from a rest.
M10 3” center, sharp recoil
M28 1” center, firm recoil

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Walkalong
September 29, 2011, 09:36 AM
I like Red Dot for that app. It works well. With lead a light roll crimp worked well, but with plated a light roll crimp hurt accuracy. They liked a light taper crimp.

Trail Boss loves lead, but is funny with plated. Very picky with plated.

W-231 is another good one with lead in .38's.

148's a great for plinking and informal target shooting. :)

1KPerDay
September 29, 2011, 01:28 PM
Thanks. I haven't tried plated yet... I have a few hundred LWCs and LRNs to get through first.

I'm kinda surprised how crappy a shot I am with the M10 snub... some here have posted incredible results using their snubbies. I imagine it's the sights primarily... and I was using a combat hold rather than 6 o'clock, with a center neon sticky as an aiming point.

I imagine I'd get more consistent results with a 6 o'clock hold. Maybe next time out I'll try that.

I was kinda surprised that the recommended 2.3 trail boss loads as MAX would seem to be so light. the 2.1 gr loads I made up were real pussycats. They'll be great in my airweight... but I don't think I'll try any of the Red Dot loads in it. ouch.

mbopp
September 29, 2011, 02:17 PM
I had a 20 year hiatus from shooting and reloading. When I got back into it I was loading wadcutters for my M-19 Smith and had some Red Dot left from shotshell reloading. The best accuracy was with 357 cases and the bullet seated long so you had to push them the last few thou into the cylinder.

Walkalong
September 29, 2011, 02:39 PM
The best accuracy was with 357 cases and the bullet seated long

http://www.thehighroad.org/attachment.php?attachmentid=118046&d=1269125993

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