No you need to do half grain with a 223, also just touching means you shouldn't feel any more effort to close the bolt, thats jamming the projectile int o the rifling. make up a dummy round, paint...
Type: Posts; User: Walker
No you need to do half grain with a 223, also just touching means you shouldn't feel any more effort to close the bolt, thats jamming the projectile int o the rifling. make up a dummy round, paint...
Yes, lower spread in velocity.
I've been using them for 600m f-tr, try 2208, it is more consistant and have the eld's just touching the lands for best groups.