8.7 twist Bartlein on my 7 RM stabilises 180s just fine.
Type: Posts; User: Spitfire
8.7 twist Bartlein on my 7 RM stabilises 180s just fine.
180 ELD-M in mine with 215 GMM primers and 67 grains of RE26 gives 2840 fps.
Mine is throated long to give 91mm (from memory) OAL, so start lower and work up.
Some say 180s are too heavy for 7...