7 LRM

hi guys, just rechambered my tikka to 7 LRM and I’m after some load data for the 180gr eldm. I have some RL22 on hand so will work with that, but any other info would be helpful

Cheers

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Originally Posted by Grimus

hi guys, just rechambered my tikka to 7 LRM and I’m after some load data for the 180gr eldm. I have some RL22 on hand so will work with that, but any other info would be helpful

Cheers

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Go join longrange hunting .com and post a question on their forum/ or do a search there... lots helpful knowledgable folk there...

Google it. Assuming the 7LRM is yet another variant of the 375RCM type case then you’d be better off starting with a much slower powder. ADI2225 or RL26 or 33

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Originally Posted by matagouri

Go join longrange hunting .com and post a question on their forum/ or do a search there... lots helpful knowledgable folk there...

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Thanks mate, I’ve done plenty of searching but most of the load data is for H1000. I’ll join that forum and ask cheers.

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Originally Posted by chainsaw

Google it. Assuming the 7LRM is yet another variant of the 375RCM type case then you’d be better off starting with a much slower powder. ADI2225 or RL26 or 33

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thanks mate I’ll look for any info these too

@camo wsm what loads did you run in yours Cam?

I ran 2217 or 2225 in mine

2225 worked for me


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I am interested to know if the twist rate is sufficient. Usually at 7RM velocities it would be too slow for 180ELDM, but given the added velocity it just might be ok.

@ChrisW I run the 180eldm in my 7mm08ai with standard 9.5 twist Tikka barrel at 2650 and they stabilize fine

Just a follow up, ran a ladder today with 2217 and .015” off the lands. Accuracy node at 70.5gr and 71gr with no pressure signs (in my rifle) Will need to chrono and fine tune at a later date, but for now it’s decent combo