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308 COL

GMAC7949

Sergeant
Full Member
Minuteman
Apr 19, 2009
107
0
62
Texas
Im starting a load development on a rem700 to the lands is 2.951. would there be in problems with the COL at 2.950?
Using 168 A-Max
Damn Lawyer Chamber!
This will fit in Seekins Mag and had the ramp cut back so they will chamber.
should be just off the lands.
 
Re: 308 COL

Bergers on the lands( use 0000 steel wool) to check when they touch. Jump sierras and amax's. use 175 or 180's over 600 yards. Do not mag feed unless you crimp and develop a crimped load. The round rocking back and forth in the magazine and will change your COL! We tested that at quantico at 1,000s many times.