Equipment & Gear > Guns and Ammo
338 375 ruger build
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jasnt:

--- Quote from: yorketransport on April 01, 2018, 10:13:54 AM ---Have you decided who's doing your barrel yet? Maybe we should just to a group order on a couple of barrels.

--- End quote ---
yes I'm pretty sure I'm going with criterion. Talked to James at nss and he said he could get me a barrel nut barrel for howa.  Group buy would be sweet!  If cheap enough I'd get 2
Biggerhammer:
I would be up for a barrel.
Magnum_Willys:
The 338 RCM pushes a factory 225 gr to 2750.  How does the 338-375 compare? Is it like a 338 RCM Improved or a much longer coal ?  I couldn't find much on the 338-375 googling.   And there's not much on the 338 RCM either. 

https://www.midwayusa.com/product/650320/hornady-superformance-sst-ammunition-338-ruger-compact-magnum-rcm-225-grain-sst-box-of-20

jasnt:
Case length on the RCM is 2.015" case length on the 375R is 2.580
yorketransport:

--- Quote from: Magnum_Willys on April 01, 2018, 05:49:43 PM ---The 338 RCM pushes a factory 225 gr to 2750.  How does the 338-375 compare? Is it like a 338 RCM Improved or a much longer coal ?  I couldn't find much on the 338-375 googling.   And there's not much on the 338 RCM either. 


--- End quote ---

I didn't feel like digging out an RCM case, but here's a comparison from left to right: 338 Win mag, 300 Win mag, 338/375 Ruger


The number written on the cases are case capacity in grains of water of each case. The full length 338/375 Ruger will beat the RCM by about 200fps with any given bullet weight in the same length barrel. I can get a 250gr bullet up over 2750 fps from an 18" barrel, which is faster than a 338 RCM will throw a lighter bullet from a longer barrel.

Maybe I need to check around and see if somebody is interested in cutting a couple prefit barrels. I'll check around and see who's familiar with cutting Howa, Savage and Remington prefits.
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