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Joined: Jan 2007
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OP
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Anyone have a go to load for the 7mm mag with H1000 and the 160 Accubonds? I'm shooting a Tikka T3X and have been having great results with Reloader 26, except the powder is a little scarce at the moment. Need to work up something else in case the powder doesn't show up on the shelves soon.
Thanks, Andy
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Campfire Tracker
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Campfire Tracker
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I just went with the Nosler max and it turned out to be plenty accurate. Not as fast as H870 or R26 but not enough slower to matter. US869 is another alternative plus VV560, and 7199. R25 is not too shabby either and R22 was my go to for several years so maybe R23 should be on the list too. MRP is a winner too. Plain old 4831 is not a bad choice either. Haven't tried it but Ran Shot magnum is in the right burn speed.7828 is what the factories were using at one time. That ought to give you enough alternatives to stay busy.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
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Joined: Jan 2007
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Are you using the max listed for the 168? I don’t see H1000 listed for the 160 online or in my printed manual.
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Joined: Aug 2005
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Campfire Ranger
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Campfire Ranger
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Retumbo will make those 160's sing, up to 3125 or so in my Tikka.
It is irrelevant what you think. What matters is the TRUTH.
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Joined: Jan 2007
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Retumbo will make those 160's sing, up to 3125 or so in my Tikka. May have to try that.
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Campfire 'Bwana
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Campfire 'Bwana
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Retumbo will make those 160's sing, up to 3125 or so in my Tikka. JG, Getting my buds 7RM ready for Africa PG, following your lead with 160 NAB’s. He likes them, too. Have several powders, RL-26, Retumbo, MagPro, H-1000, 7828 among others. I know you used Retumbo. Would you load it again or one of those I listed? I got 50 Fed Tipped Bonded Trophy 160’s to try. They now hard to find. May not have enough to test then load 50 for the trip. Have enough 160 NAB’s. Using Fed mag 215 primers. DF
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Campfire Ranger
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Campfire Ranger
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My rifle loved RL22 equally as well as Retumbo, and they were both very accurate with the obvious velocity advantage to Retumbo and the 72g load. I never tried Rl26 or any of the others you listed DF, sorry I can't help more with that. Where I hunt I've never particularly worrled about the temp sensitivity issues (if any) with RL22. I do like Fed 215M primers best.
It is irrelevant what you think. What matters is the TRUTH.
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Campfire 'Bwana
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Campfire 'Bwana
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I have a big jug of MRP, said to be very similar to RL-22. Works well in my Swede and .240. I'm not buying any more RL-22, will get RL-23 instead or use my MRP. Think I'll start the 160 NAB 7RM loads with RL-26, as it seems to be a good performer and I have some (as you well know).... You got some really great numbers with Retumbo, not sure RL-26 can top those velocities. Guess it depends what the gun prefers. DF
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What throat length in the rifle? OAL for the cartridge?
Using RL25 in mine, but have modified the throat a bit to give longer OAL.
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Campfire Ranger
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I have a big jug of MRP, said to be very similar to RL-22. Works well in my Swede and .240. I'm not buying any more RL-22, will get RL-23 instead or use my MRP. Think I'll start the 160 NAB 7RM loads with RL-26, as it seems to be a good performer and I have some (as you well know).... You got some really great numbers with Retumbo, not sure RL-26 can top those velocities. Guess it depends what the gun prefers. DF Let me know what you figure out if you don't mind. I'd also add that if I were doing load development again for Africa, based on what i know now about hunting over there, I'd probably stop and be satisfied with any super accurate load @ 3000fps. At the ranges I killed animals, I think you'd see those weight retention #'s go up some. Not that it matters that much......dead is dead, and that 160AB was a fantastic performer over there.
It is irrelevant what you think. What matters is the TRUTH.
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Campfire 'Bwana
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Campfire 'Bwana
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Will do.
I'm thinking Retumbo should be about as temp stable as RL-26. Performance would dictate which.
Don't think most of the other named powders can run with those two velocity wise. I'm shooting for 3K fps with the 160 without pushing the envelope. Some powders will be close to their limit at 3K; I'm looking for ones that will go 3K without breaking a sweat, and still group well.
What's the best jump, 160 NAB's in the 7RM? I generally start with .02" with NAB's and NBT's.
DF
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Are you using the max listed for the 168? I don’t see H1000 listed for the 160 online or in my printed manual. AH, I just used the max load listed for the 168s behind the 160 AB. With a 26" barrel, I was seeing 3000 fps with the load. I believe OAL was 3.34". Shoots great, kills elk.
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Campfire Outfitter
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I tried MagPro and Retumbo in my brother’s T3. Retumbo got crunchy at the velocity I was looking for (3k) but MagPro delivered better results. I have plenty of R26 and I use it with 162 Eldx. P
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Member #547 Join date 3/09/2001
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Campfire 'Bwana
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Campfire 'Bwana
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How do you rate RL-26 vs MagPro with 160’s in the 7RM?
DF
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Campfire Regular
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Campfire Regular
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I know it's not Retumbo but my Tikka 7 mag superlite likes 66 grains of IMR 7828 regular.
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Campfire Regular
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I know it's not Retumbo but my Tikka 7 mag superlite likes 66 grains of IMR 7828 regular. What velocity are you getting?
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Campfire Regular
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Campfire Regular
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I know it's not Retumbo but my Tikka 7 mag superlite likes 66 grains of IMR 7828 regular. Mine likes 62gr of IMR-4831 or 66.5gr of 7828SSC with 140 TTSX and AB’s and WLMR primers.
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Joined: Jan 2010
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Campfire Outfitter
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How do you rate RL-26 vs MagPro with 160’s in the 7RM?
DF When I switched to R26 I also switched to 162 Eldx. I’ll have to check if I tried R26 in 160 AB. P
Obey lawful commands. Video interactions. Hold bad cops accountable. Problem solved.
~Molɔ̀ːn Labé Skýla~
Member #547 Join date 3/09/2001
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Last year I loaded for two 7mm RMs. I started with the 160 ABs and had 3 powders to try: H1000, H4831sc, and RL26.
The custom 7MAG (700 action & 26" benchmark barrel) did not care for H1000. I tried 3 or 4 different loads, separated by 0.5g. I switched to RL26 and had 3 bullets touching pretty quick. Velocity was just over 3,000 FPS. I could have pushed faster, but that was most accurate load.
The Browning Xbolt 7MAG didn't care for H1000 or RL26. This gun preferred H4831sc and group was 0.4". I remembered it being the Nosler max load and it was right around 2,950 FPS in this gun.
I used the same OAL on all loads and never went back and tried different seating depths since the powder changes alone got us under 0.5" in both rifles.
I tried the H1000 at the recommendation of the guy who built the custom gun. He shoots a 7MAG at 1,000 yard competitions. I know others who do the same that prefer Retumbo, and this powder seems to shine with on 160g and heavier bullets. I would probably start with RL26 since it seems to be capable of better velocity and most seem to get accuracy out of it, too. I am not positive, but I believe RL26 is slightly more temp sensitive than H1000 or Retumbo, but it is still overall pretty temp stable.
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Sep 2009
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Anyone have a go to load for the 7mm mag with H1000 and the 160 Accubonds? I'm shooting a Tikka T3X and have been having great results with Reloader 26, except the powder is a little scarce at the moment. Need to work up something else in case the powder doesn't show up on the shelves soon.
Thanks, Andy Not in 7mm Mag, but 7 Mashburn, 76 grs H-1000 boots the 160 AB's out at 3220 fps from my 25" barrel, bughole accuracy with no wind, i'll test the load, rifle, bullet and scope tracking on the next wild pig that steps out, I've shot three in the last month, so another is hopefully to be along soon, I also want to see how the 160 AB's act on game at 5 to 6 hundred yards.
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