Alliant Reloder-16
- Thread starter dmoran
- Start date
In my dasher breaking in a new barrel both 108 Bergers
33gr r-15 was 2950fps
34gr r-16 was 2910fps
33gr r-15 was 2950fps
34gr r-16 was 2910fps
Last edited:
1 gr r-15 was 40 fps slower? Did you mean 34 gr r-16 was 2910 fps?
Edited yea one more grain was 40fps slower
This was also the first 30 rounds down this barrel
Mine was a 6mm dasher
I shot 34.4 again with better chrono readings all at 2955-2965 fps
I shot 34.4 again with better chrono readings all at 2955-2965 fps
Could you tell me what barrel length and approx. what the temperature was when you shot your groups...............Thanks Chuckhunter
Chuck,
My barrel is a 28 inch Benchmark 8 twist and it was 82 degrees when I ran my initial test. I have checked seating depth with 40.4 grains of RL16 and 130 VLDs. It looks like this rifle really likes them jumped 25 thousandth or more. I went up to 41.6 grains of RL16 and started to hit another node. 300 yard group was just shy of 0.700 inch on Sunday noon. Around 72 degrees but heavy mirage. They were seated at 8 thousandth jump and I haven't loaded any hotter or seated any deeper yet.
I have some N140 to test too. You told me N540 worked well for your hunting load. I may test that too.
I will have this rifle up to Williamsport next spring. See you there.
Joe Dickson
28.5 inch barrel, 75 degrees or close
The 35.0 drop in velocity is normal. What your fixing to see is a pressure spike within .2-.4 grains and possibly a good bit of velocity increase. What's happening is from there your picking up your next node if your case can handle the pressure.
No pressure signs no flat primer or cratering no stuff bolt just didn't go any further and yes I have seen velocity drop with powder increase I could go high but 34.4 is what I'm working with currently
I jus yes my brass it's cleaning hopefully will get to shoot more this week
XTR
F-TR obssessed shooting junkie
I see the velocity comparison to H4350 result in slightly higher velocities for the same charge weight. How does the volume compare to H4350 for a given charge? If you are loading a charge with H4350 that is at 105% can you achieve that same charge with Rx16 without more compression?
The density of RL16 is notably less than H4350 and would take more case volume for the same charge weight. Probably close to 5% more.
My bad yes you can achieve same velocity without crunching the powder on RL16 as you would with H4350.
I misread his question.
That is counter then what was posted earlier in this thread according the below RL 16 is heavier
XTR
F-TR obssessed shooting junkie
That's kind of what I was thinking. Thanks guys.
So this would mean the density of RL16 is less than H4350. I don't know where rardoin got his density numbers from earlier in the thread
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