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Old 03-20-2015, 17:43   #1
timmay
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Join Date: Sep 2011
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Reloader 17 in 270 Winchester

I started working up a coyote load for my 270 today. I couldn't be happier with the preliminary results. Better than expected velocity, and accuracy is promising.
I'm loading the 110gr v-max. I couldn't find much in the way of data for it with this powder. I wanted to use R17 based on the data I found online. It gets higher velocity than 4350, some say with less blast and recoil. Alliant lists 59gr as max with a 100gr bullet at about 3550 from a 24" barrel, so I backed off that a few grains and loaded some rounds, working up to 59gr in .5 increments. I was hoping to hit 3300fps from my 22" savage 111, as this bullet falls out nearly perfectly with the ballistic reticle in my Nikon scope at that speed. I got there at 58gr. No pressure signs at all so I went ahead up to 59. The 59gr load hit 3480fps, again with no signs of excess pressure. Primers looked identical to the primers in my start loads, with nice round corners. Extraction was easy. Nice hitting my target velocity with a load that's safely under max.
Groups stayed under an inch off the sandbags with all loads, with the 59gr load doing the best at about 3/8". All were loaded to 3.20". Hopefully I can tighten up the 58gr load a little by playing with the OAL. That group was 3/4". Could have been the shooter though. I need to invest in a lead sled. I'm gonna tinker with OAL tomorrow and see where that gets me. I'm about .020 off the lands at 3.20" with this bullet. Anyone with a 270 who hasn't tried this powder might want to give it a try.

Last edited by timmay; 03-20-2015 at 17:51..
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Old 03-20-2015, 20:39   #2
F350
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Several years back I used Reloader 19 in my 7mm Rem Mag and was totally satisfied.
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Old 03-22-2015, 07:24   #3
smokie0144
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I've deer hunted for years and have always used R15 and R19 and have been real happy with both of them in my savage 110E
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Old 03-22-2015, 08:37   #4
timmay
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R17 will gain you a couple hundred FPS over 15, 19, or 22. Too windy for accuracy testing yesterday. I'm gonna head out here in a little while.
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Old 03-23-2015, 11:14   #5
timmay
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Done. WLR, 58gr of R17 under a 110 v-max at 3.25" gets me just over 3300fps in my rifle, and I managed three consecutive 3/8" three shot groups at 100yds today. Good day for the rifle, and the jerk on the trigger. Now if only I can find some coyotes that want to play....

Last edited by timmay; 03-24-2015 at 00:14..
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Old 03-23-2015, 12:17   #6
Taterhead
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Quote:
Originally Posted by timmay View Post
Done. WLP, 58gr of R17 under a 110 v-max at 3.25" gets me just over 3300fps in my rifle, and I managed three consecutive 3/8" three shot groups at 100yds today. Good day for the rifle, and the jerk on the trigger. Now if only I can find some coyotes that want to play....

You probably meant "WLR", by the way. It sounds like you have found a promising load! I too have had some success with the little bother of the 270: .25-06 under a 100 SMK@ close to 3400 fps. Also works great in 7.5 Swiss under a 168 match bullet. I have heard that temps affect RL 17, but I have not been able to confirm personally.
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Old 03-24-2015, 00:37   #7
timmay
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I stand corrected. WLR. Thanks, Tater. Alliant claims R17 isn't temp sensitive. Time will tell. I'll run a few over the chrono this summer and next winter. I'm happy as can be with this load, and this rifle. $400 111 trophy hunter combo. It'll hold 1/2" with the cheap federal 130gr power shock load too. I see R17 also gets top velocity in the 25-06. Seems like a great powder in the mid bore cartridges.
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Old 03-24-2015, 20:24   #8
Taterhead
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Originally Posted by timmay View Post
I stand corrected. WLR. Thanks, Tater. Alliant claims R17 isn't temp sensitive. Time will tell. I'll run a few over the chrono this summer and next winter. I'm happy as can be with this load, and this rifle. $400 111 trophy hunter combo. It'll hold 1/2" with the cheap federal 130gr power shock load too. I see R17 also gets top velocity in the 25-06. Seems like a great powder in the mid bore cartridges.
I have heard that claim too from Alliant, but the "street" has been reporting some different results. In the popular 6.5 bores for precision shooting in my area, H4350 reigns. Shooters like the extra velocity of RL17, but it is reported to not track as nicely with temp changes as does H4350. Like I said above, I haven't personally had a chance to verify. I do like the load that I have though.

Yep. Similar burn speed to 4350, but higher velocities. Great for groups and velocities with the 100 grainers in 25-06. Though for the 120 grainers, RL 25 has been tops. In my rifle, the slower burners have been better for 120s.
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Old Yesterday, 00:30   #9
timmay
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Thanks for the info.
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