Just wondering if anyone has used RL 17 for hand loads in 270 WSM ? If so what kind of results have you had? I have 5 lbs of it and was going to give it a try with some 140 gn Nosler Accubonds. Thanks for any input !

Check around on some of the different bullet manufactures to see what data they have for the 270 wsm. I have the 300 wsm and have load data
for RL 17,19 and 22.

Yes I used it and did not get very good results out of my Tikka 300WSM.

Len, Just began a work up project for a friend with his Wni 270 WSM. Only used one powder so far and that was IMR 7828. Bullets were 130 Hornady Interbonds. 66 grains match his factory Winchester Supreme 130 Ballistic Silvertips velocity of 3360 ft/scs in his 24" barrel. We did not achieve the accuracy of the factory rounds however, and will try the recomended IMR 4350 next go round. I think R 17 would be just a bit to fast for your WSM.

The magazine Precision Shooting has a long article on this caliber in the current issue.

reloader len ----- Allient shows on their site that 62 grains of Rl-17 and a 130 grain bullets gets 3250 plus fps. They also show with a 150 grain bullet and 60 grains RL-17 you can expect 3050 plus fps. I am shooting RL-17 with my .243 WSSM and 25 WSSM and plan to give it a try in my .270 WSM. I am getting much more speed with my .270 WSM using RL-22 and RL-25 with great accuracy, but I am always looking at something new to try. I also bought 5 pounds of RL-17 and like it so far. Good shooting.

308Sako, before you give up on the powder, I would first change bullets. The Interbonds have a poor accuracy reputation with most shooters. It's hard not to find a powder that will work in the 270WSM. My favorite is still Magpro with the 140 Accubond or TSX.

FWIW, as what I have to say has nothing to do with the chambering in question here. I tried a number of different bullets using RL-17 for my 25-06 and did not get acceptable accuracy.

Interbonds have a poor reputation for accuracy? RL-22 is my powder of choice for the short mags.

I have good results out of h4831sc in my 270wsm

I have never tried RL-17, but have gotten good results with RL-19, RL-22, and Accurate Data 86. My very best results, though have been with Vihta Vuori N-165. I would also like to try some N-170 or RL-25. I would guess that RL-17 might be a hair too fast for best results with the 270WSM. Might work better in the 300WSM or 325WSM.

RL-17 is somewhat too fast for optimal velocities in a .270, much less the larger .270 WSM. Your case will only be 2/3rds full of powder, velocity variations will be wide, and velocities at maximum pressures will be significantly less than with slower powders. Or perhaps you had intended to use 60 grain bullets, in which case RL-17 should be about right.

Bear Kodiak ----- I shot some of your "Magpro" yesterday and was quite impressed. I had played with it in the past but yesterday got serious. I got a very good group (not quite the one holer but close) with 130 grain Nosler Solidbase bullets and 74 grains of Magpro, with a Fed 210M primer. 3407 fps was the speed, this is the first time I have used anything but RL-22 and RL-25 and got that kind of speed with accuracy. I will use more. Good shooting.

quote:

Originally posted by Stonecreek:
RL-17 is somewhat too fast for optimal velocities in a .270, much less the larger .270 WSM. Your case will only be 2/3rds full of powder, velocity variations will be wide, and velocities at maximum pressures will be significantly less than with slower powders. Or perhaps you had intended to use 60 grain bullets, in which case RL-17 should be about right.

YEP!

quote:

Originally posted by phurley5:
Bear Kodiak ----- I shot some of your "Magpro" yesterday and was quite impressed. I had played with it in the past but yesterday got serious. I got a very good group (not quite the one holer but close) with 130 grain Nosler Solidbase bullets and 74 grains of Magpro, with a Fed 210M primer. 3407 fps was the speed, this is the first time I have used anything but RL-22 and RL-25 and got that kind of speed with accuracy. I will use more. Good shooting.

It is a rare situation when Magpro will not provide an acceptable load in the 270WSM. Your velocity is smoking! I have loaded for a few 270WSM's that would reach the 3400fps mark, but most of the time when I saw a number around 3300, I stopped if the accuracy was there. I would play with your charge by going down in 3/10 increments to see if there might be a sweet spot between 72-74gr. If you have done that already, maybe a little seating depth adjustment could get you to a one-holer. Or, call it good(great) and go kill something!

quote:

Originally posted by Bear Kodiak:
308Sako, before you give up on the powder, I would first change bullets. The Interbonds have a poor accuracy reputation with most shooters. It's hard not to find a powder that will work in the 270WSM. My favorite is still Magpro with the 140 Accubond or TSX.

Thank you, that may save some time!

I haven't tried R-17 with 140gr bullets in the 270WSM yet will try them thurs. Worked up to a max load of 60gr with 3 different bullets for the 270WSM 150gr partition @ 3108fps,Hornady 150gr @ 3117fps,150gr Sierra @ 3126fps. I haven't had a chance to shoot those loads @ 300yds yet.

I've had good luck with Mag-Pro,H-1000 in my 270WSM.

Thanks for all the reply's Men! How ever I did work up some loads with RL 17. My rifle is a Rem 700 270 WSM with a 26" barrel. Used CCI 250M primers and 140 gn accubonds RL17 powder. Started off with 58 gn and worked up to 62gn with best results at 61gn average vel 3150. group size at 100 yd .460 and at 200yd .875 measuerments were taken outside to outside of groups. Three shot groups , did not see the need to shoot five as for the gun will only hold three. I think when I get back home I will load up some 150gn.

I've used RE17, RE19, RE22, H4831 and I4350 in my 270WSM, I have had the best results with I4350 and RE22, my go to load with the 130 gr Ballistic Tips is 62.9 gr of I4350. The 140 gr Accubond is 58.5 gr of I4350.

quote:

Originally posted by Stonecreek:
RL-17 is somewhat too fast for optimal velocities in a .270, much less the larger .270 WSM. Your case will only be 2/3rds full of powder, velocity variations will be wide, and velocities at maximum pressures will be significantly less than with slower powders. Or perhaps you had intended to use 60 grain bullets, in which case RL-17 should be about right.

I think you are confused. The subject of the topic is RL-17 not RL-15. I have found that H-4350 or IMR4350 work the best in any of my 270Win, 270WSM, 30-06, and AA4350 works excellant in my 300WSM. I have played some with RL-17 and it is somewhere between H4350 and AA4350 in burn rate. In other words it requires a tad more powder than H4350. I currently shoot 57 grains of H4350 with a 130 grain bullet in one of my 270s and was playing with (I think) 58 grains of RL-17. In any event the powder was just below the neck, or right at - not 2/3 full of powder as you stated. When a bullet is seated, there is no loose powder inside the case. Alliant states that RL-17 was introduced as a comparable powder to any of the 4350s.
PS - I also use AA4350 in my 375 H&H. It is just at the verge of being a compressed load.