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Campfire Tracker
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OP
Campfire Tracker
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I'll be loading 170gr Hornady FP Interlocks over Reloader 15 for two Marlin 336s. Alliant's website doesn't list RL 15 charges for 170gr bullets. Can anyone post a starting and maximum charge for this powder/bullet combo? Thanks
Karma and Trouble have busses, and there's always an empty seat.
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Joined: Jul 2004
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Campfire Outfitter
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Campfire Outfitter
Joined: Jul 2004
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Nosler's manual suggests 27.5 gn to 31.5 gn as starting and max loads for RL-15 w/170 gn bullets.
I use Nosler's 170 gn Partition for two 30-30's. They are very accurate, and proven killers.
Don Buckbee
JPFO
NRA Benefactor Member
NSSA Life Member
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Campfire Ranger
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Campfire Ranger
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This should be in the ballpark,
Cartridge : .30-30 Win. (SAAMI)
Bullet : .308, 170, Hornady FP 3060
Cartridge O.A.L. L6: 2.550 inch or 64.77 mm
Barrel Length : 20.0 inch or 508.0 mm
Powder : Alliant Reloder-15
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-15.6 84 27.00 1799 1222 25214 5129 81.9 1.532
-14.1 85 27.50 1832 1268 26434 5264 82.9 1.501
-12.5 87 28.00 1866 1315 27715 5398 83.9 1.472
-10.9 89 28.50 1900 1363 29062 5530 84.9 1.442
-09.4 90 29.00 1934 1412 30480 5660 85.9 1.414
-07.8 92 29.50 1968 1462 31970 5789 86.8 1.386
-06.3 93 30.00 2002 1513 33541 5915 87.7 1.358
-04.7 95 30.50 2036 1565 35194 6039 88.6 1.331
-03.1 96 31.00 2071 1619 36931 6160 89.5 1.305 ! Near Maximum !
-01.6 98 31.50 2105 1673 38771 6278 90.3 1.278 ! Near Maximum !
+00.0 99 32.00 2140 1728 40706 6394 91.1 1.250 ! Near Maximum !
+01.6 101 32.50 2174 1784 42736 6506 91.9 1.223 !DANGEROUS LOAD-DO NOT USE!
+03.1 103 33.00 2209 1842 44906 6614 92.6 1.197 !DANGEROUS LOAD-DO NOT USE!
+04.7 104 33.50 2243 1900 47183 6719 93.4 1.172 !DANGEROUS LOAD-DO NOT USE!
+06.3 106 34.00 2278 1959 49571 6820 94.0 1.147 !DANGEROUS LOAD-DO NOT USE!
+07.8 107 34.50 2313 2019 52082 6916 94.7 1.123 !DANGEROUS LOAD-DO NOT USE!
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Joined: Jan 2004
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Campfire Tracker
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OP
Campfire Tracker
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Thanks fellas, I appreciate it.
Chad
Karma and Trouble have busses, and there's always an empty seat.
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Posts: 28,371
Campfire Ranger
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Campfire Ranger
Joined: Jan 2001
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After seeing the other replies and the charge levels listed I hesitated to post this, but in John Barsness' article "Handloads That Work" he recommends 34.0 grains of RL-15 with "a 170 grain bullet", getting 2100 fps in 20" carbine barrels and close to 2300 in 24" rifle barrels.
I've been using 34.0 RL-15 as a standard load with Rem 150 RNCL in my 1955 vintage 336 with well over 1,000 rounds through the barrel but have taken it up to 36.0 with that weight and have substituted Speer 150 Flat points for the Remingtons all with no problems. Primer is a Winchester Large rifle standard which is a pretty hot primer.
Tried several groups with 34.0 RL-15 with Remington 170 RNCL and it was fine.
Just posted this for info, use your own best judgement with your rifle.
Gunnery, gunnery, gunnery.
Hit the target, all else is twaddle!
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Campfire Kahuna
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Campfire Kahuna
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Back when I started using that load, Alliant listed 34-something grains of Reloder 15 as maximum with some sort of 170-grain bullet in the .30-30. Then the load disappeared.
This has happened with several other loads that Alliant used to publish, in other cartridges. Dunno what the deal is. Maybe newer lots of powder produced more pressure. I have seen different batches of RL-15 produce varied results.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Jan 2001
Posts: 28,371
Campfire Ranger
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Campfire Ranger
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Hope you didn't mind the name dropping. I've used your loads from that article for three or four rifles now and they do indeed work.  I keep that copy of "Handloader" out with my loading manuals as a good reference.
Gunnery, gunnery, gunnery.
Hit the target, all else is twaddle!
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Campfire Tracker
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OP
Campfire Tracker
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Thanks for the info fellas. I'll start low and shoot through the chrony and base a max from those results.
Karma and Trouble have busses, and there's always an empty seat.
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Campfire Outfitter
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Campfire Outfitter
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The 49th Edition Lyman Manual also has RL 15 loadings for the 170 grainer using a 24" barrel.
Powder...RL15
Bullet...170 gr Horn FP
Primer...WLR (large rifle)
COAL.....2.540"
Sugg starting gr........29.0
Velocity................1831 fps
CUP pressure............27,200
Max load gr.............32.0 (compressed)
Velocity................2110 fps
CUP pressure........... 37,400
28 Nosler,,,,300WSM,,,,338-378 Wby,,,,375 Ruger
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Joined: Jan 2001
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Campfire Ranger
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Campfire Ranger
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...This has happened with several other loads that Alliant used to publish, in other cartridges. Dunno what the deal is. Maybe newer lots of powder produced more pressure. I have seen different batches of RL-15 produce varied results. Had a bad experience changing lots of RL-22 in a .270 Win that made me drop use of that powder, even though that first lot produced great velocity and the best accuracy in that rifle. This is just one more reason to settle down a grain or two under anybody's max. Your load of 34/RL-15 with a 170 grain bullet was what pretty well convinced me that that same charge with a 150 grainer would be a good long term, no worries load in the .30-30. The older I get the more I understand the wisdom of the old bull in that joke - "no, let's walk down there and **** them all!"
Gunnery, gunnery, gunnery.
Hit the target, all else is twaddle!
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Posts: 754
Campfire Regular
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Campfire Regular
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I've used up to 32.0 grains of RL15 with the Hornady 170 gr FP bullet. This combo gives about 2,160 fps in my 20" Marlin 336. I am considering 32 grs to be maximum. This more or less duplicates the best factory velocity I've seen in this rifle (current 170 gr Remington factory loads at about 2,170 fps). RL15 is the fastest powder I've used for the 170 gr bullet in .30-30.
Good shooting!
"You cannot miss fast enough to win."-- Ross Seyfried
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Campfire Tracker
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OP
Campfire Tracker
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I loaded some test rounds and the max I went to was 32gr. This is a recent lot of powder (Sept. 09) so perhaps it's a bit faster burning than the RL-15 of old. My current lot of 2400 seems to be on the hotter side and it's a recent lot as well. I hope to chrony/accuracy test these loads tomorrow if the weather cooperates. Thanks for everyone's help.
Chad
Karma and Trouble have busses, and there's always an empty seat.
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