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RE 33 in 7mm

 
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  #1  
Old 07-30-2013, 04:00 PM
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Location: Wyoming
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RE 33 in 7mm

Anyone tried this powder yet in a 7mm RM with a 180 or 168 Gr Bullet? I am contemplating trying it but not sure, i would like to hear your experience good or bad about this powder.
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  #2  
Old 07-30-2013, 04:13 PM
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Re: RE 33 in 7mm

I am going to try it in my 7MM STW this week... I think if you have a 26-28 inch barrel you should be fine.. Especially behind a heavy pill
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  #3  
Old 07-30-2013, 04:30 PM
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Re: RE 33 in 7mm

I think RL25 will do better in the 7mm rem than RL33. I think the RL33 is going to do better in a 7 RUM ,STW. but I guess you never know until we get some results.
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  #4  
Old 07-31-2013, 06:09 AM
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Re: RE 33 in 7mm

Yes I tried it in a 7 Rem mag.

Copied from my notes on RL-33:

"7 Rem Mag: 24" Rem barrel, moly coated 162 A-max seated .010" into rifling.

Original load: 72 gr of Retumbo 2975 fps

RL-33:
starting load 76 gr vel 2837
worked up to 79 gr for vel of 3000 for very small gain over Retumbo
80 grs showed a hint of lift and a small shiny spot on casehead.

I used a bullet seating comparator and noticed that even with the use of a 6" drop tube the powder was filling the case. 79 gr and up caused the OAL to lengthen over .010", enough so the cartride wouldn't fit into magazine.

I can see why Alliant only mentioned a load for the 175 gr bullet"


It might work with a 180 or heavier bullet but frankly it is not the best for this cartridge.

It did work well and had velocity gains over retumbo or RL-25 with these:

7mm/375 with 180 hybrid
6mm-284 105 hybrid,
257 weatherby 110 accubond
300 RUM 230 gr hybrid
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  #5  
Old 08-01-2013, 03:32 PM
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Join Date: Nov 2011
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Re: RE 33 in 7mm

I actually stopped by a local shop yesterday and they had a pound so I picked up some. Going to try them out with a 180 gr bullet and see what happens. I use RE25 with a 168 and it shoots well just going to see what it does with this combo. Will hopefully have some results this weekend.
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  #6  
Old 08-01-2013, 05:17 PM
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Re: RE 33 in 7mm

Quote:
Originally Posted by AZShooter View Post
Yes I tried it in a 7 Rem mag.

Copied from my notes on RL-33:

"7 Rem Mag: 24" Rem barrel, moly coated 162 A-max seated .010" into rifling.

Original load: 72 gr of Retumbo 2975 fps

RL-33:
starting load 76 gr vel 2837
worked up to 79 gr for vel of 3000 for very small gain over Retumbo
80 grs showed a hint of lift and a small shiny spot on casehead.

I used a bullet seating comparator and noticed that even with the use of a 6" drop tube the powder was filling the case. 79 gr and up caused the OAL to lengthen over .010", enough so the cartride wouldn't fit into magazine.

I can see why Alliant only mentioned a load for the 175 gr bullet"


It might work with a 180 or heavier bullet but frankly it is not the best for this cartridge.

It did work well and had velocity gains over retumbo or RL-25 with these:

7mm/375 with 180 hybrid
6mm-284 105 hybrid,
257 weatherby 110 accubond
300 RUM 230 gr hybrid
If u don't mind, what were your loads for 257 and 6.5??
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  #7  
Old 08-02-2013, 05:30 AM
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Re: RE 33 in 7mm

Don't have a 6.5

RL-33 loads:

257 Weatherby moly coated110 accubond. 28" 3 groove SS 1 in 10 Lilja, Norma brass, Fed 215 match:



83 3625 which slightly faster than old load with RL-25
83.5 3674 fps shot well two shots were same velocity
84 gr 3704 fps shot well two shots were same velocity
84.5 gr 3735 this is max case capacity with drop tube (this is current load )

This makes a 91 fps gain over a max load of RL-25

---------------------------------


6mm-284 non moly coated Berger 105 gr target hybrid. 28" Bartlein 5R SS 1 in 7.5"
used necked down unturned Lapua 6.5-284 brass, Fed 210 match



62.5 gr 3376
63 gr 3414
63.5 gr 3453
64 gr 3485 fps excellent accuracy (this is current load)
64.5 gr 3535 a bit warm max case capacity using drop tube


Old velocity with Retumbo was 3307 which was the highest charge of powder without pressure issues. RL-33 yielded a 178 fps increase!
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