View Full Version : Saeco 305 in A Ross Mk.III
steveu
02-06-2023, 07:21 PM
All,
I am going to load some #305's for my Ross Mk.III with 2400. My question is, how many lube grooves should be filled given the fact that the barrel is 30" long?
Cheers,
Steve
Larry Gibson
02-06-2023, 07:48 PM
I've only filled 3 grooves on a 311466 Lovern that I shoot out of my Ross Mk X with a 30" barrel. I load them over 17 gr 2400 and they run at 1975 fps out of that barrel..
Gunor
02-06-2023, 10:02 PM
What do you size them to?
Just like to compared to my MK III
Larry Gibson
02-07-2023, 09:10 AM
The Mk X has a .311 groove diameter The 2 cavity 311466 Lyman mould I have drops COWW + 2% bullets at .313+. I size, lube and GC them in a .312 H&I die. I used Hornady GCs and Javelina lube. I would use 2500+ these days.
steveu
02-09-2023, 11:53 PM
I settled on 17.5 grains of Alliant 2400, 5 shots at 100 yards were covered by a quarter!310378310379
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