After doing some research, I discovered that the MAX COL in my ASC magazines is close to 2.845"...so, 2,830 fps.
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Lehigh Defense 121gr 6.5mm Creedmoor Match Solid
- Thread starter AP2020
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Supposed to be 0.538 G1. I need to shoot them at longer ranges to confirm.
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I have the 110gr and 121gr match solids. I'm considering applications and 260 loads now.
Jmbau, could you be kind enough to share your load?
In my 28" barrel, I have gotten 95gr V-Max up to 3400+fps using H-4831. I'm amazed they held together.
I think the 110's can be gotten up as fast or maybe even faster with a quicker propellant. I think I'll start by working up with Varget.
Greg
Jmbau, could you be kind enough to share your load?
In my 28" barrel, I have gotten 95gr V-Max up to 3400+fps using H-4831. I'm amazed they held together.
I think the 110's can be gotten up as fast or maybe even faster with a quicker propellant. I think I'll start by working up with Varget.
Greg
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I'm loading the 121's in Hornady brass with turned necks, neck sized, using CCI BR2 primers and 44.6 grains of IMR 4451. I don't know the jump but it's far. I load to mag length and I'm sure you know how sleek this profile is. This bullet is leaving my 20" suppressed CTR barrel at 3040fps with an SD of 11. Holds 1/2MOA Caution: This gun has always handled hot loads well. Start low.
Much thanks.
Not familiar with IMR-4451, can you make another recommendation?
I use IMR-4198, IMR-8208XBR, IMR-4895, IMR-4064, Varget, W-748, H-4350, H-4831; there should be something in that mix that could be appropriate.
I use H-4350 for 140's and am thinking something quicker, like Varget, may be useful for the 121's and especially, the 110's.
Greg
Not familiar with IMR-4451, can you make another recommendation?
I use IMR-4198, IMR-8208XBR, IMR-4895, IMR-4064, Varget, W-748, H-4350, H-4831; there should be something in that mix that could be appropriate.
I use H-4350 for 140's and am thinking something quicker, like Varget, may be useful for the 121's and especially, the 110's.
Greg
I've tried H4350. My best was 1moa with 46.0gr, cci200 primer
H-4350 46.2 gr. and a CCI 200 primer gave me 1MOA. I never chronoed the load because I didn't get the accuracy I wanted.
IMR-4955 46.0 gr and CCI 200 Primer accuracy was good at 100 yds. but SD's sucked (32fps) so I didn't pursue.
Reloader 15 showed great promise with 42.2 grains and a CCI-BR2 primer. Immediately shot 3/4 MOA with good velocities and SD's. I planned to load these again with different primers but never did because the next load tested was the one.
IMR-4451 This is one of their Enduron powders. They are supposed to be very temperature insensitive and I've found this to be true. Right off the bat it produced less than 3/4 MOA, excellent velocity with low SD's.
If you have the H-4831 give it a try. I was working my way up in charge weight but ran out of room before I got to the next node without pressure signs. That said, I avoid compressed charges. Also, your cases may offer more room than mine.
Hope this helps
For the 121 Match Solids here's what I've tried:
H-4350 46.2 gr. and a CCI 200 primer gave me 1MOA. I never chronoed the load because I didn't get the accuracy I wanted.
IMR-4955 46.0 gr and CCI 200 Primer accuracy was good at 100 yds. but SD's sucked (32fps) so I didn't pursue.
Reloader 15 showed great promise with 42.2 grains and a CCI-BR2 primer. Immediately shot 3/4 MOA with good velocities and SD's. I planned to load these again with different primers but never did because the next load tested was the one.
IMR-4451 This is one of their Enduron powders. They are supposed to be very temperature insensitive and I've found this to be true. Right off the bat it produced less than 3/4 MOA, excellent velocity with low SD's.
If you have the H-4831 give it a try. I was working my way up in charge weight but ran out of room before I got to the next node without pressure signs. That said, I avoid compressed charges. Also, your cases may offer more room than mine.
Hope this helps
Again, much thanks.
I'll see where working up H-4350 leads me as well as Varget. I doubt I'll be pushing max loads so temp sensitivity would appear to be less of an issue for me.
In many instances, where Varget works, my IMR-4064 usually does well with comparable charge, just be careful around max in high temps. W-748 is a propellant I've used for 223, 6.5G, and 308, and I feel relatively comfortable working it up as well. Unfortunately I'm running low on 8208, but I'm not going to be worried.
Again, things get easier when I stay away from max loads.
Greg
I'll see where working up H-4350 leads me as well as Varget. I doubt I'll be pushing max loads so temp sensitivity would appear to be less of an issue for me.
In many instances, where Varget works, my IMR-4064 usually does well with comparable charge, just be careful around max in high temps. W-748 is a propellant I've used for 223, 6.5G, and 308, and I feel relatively comfortable working it up as well. Unfortunately I'm running low on 8208, but I'm not going to be worried.
Again, things get easier when I stay away from max loads.
Greg
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