The Firing Line Forums - View Single Post - Re-barreling a Ruger M77 MKII. What caliber?

taylorce1 · January 22, 2013, 11:48 AM

The 6.8 while an option you will have to open the bolt face to work with the cartridge. The 6.8 is based off of the old .30 Remington case which has a larger rim than a .223. However it should feed from the magazine with little if any modification.

January 22, 2013, 11:48 AM	#21
taylorce1 Senior Member Join Date: November 18, 2005 Location: On the Santa Fe Trail Posts: 8,249	The 6.8 while an option you will have to open the bolt face to work with the cartridge. The 6.8 is based off of the old .30 Remington case which has a larger rim than a .223. However it should feed from the magazine with little if any modification. __________________ NRA Life Member