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243 barrel

desertHK

Gunny Sergeant
Full Member
Minuteman
Feb 17, 2008
3,320
12
AZ
May be it's a stupid question, but if your barrel is throated for the 115 grains bullet, can you still shoot the 105 grains bullets accurately? I guess, my question is whether the accuracy will be affected or not.

Want to take advantage of the higer BC with the 115 grains bullets, but I have a bunch of the 105 grains as well. Want to be able to shoot both. Thanks for your help.
 
Re: 243 barrel

The only thing that "throated for 115's" means is that the reamer has a little more freebore. YOu can still shoot 105's or even the 90 grain class bullets with no trouble! If you have 105's shoot em.
 
Re: 243 barrel

Besides the longer freebore there should a different lead angle from what i remember during my discussions with PTG on my 6XC DTAC reamer. With that said i successfully used 107 SMK's for my first 100 & they worked great. The 243 reamer for the 115's should be the same lead/throat as the 6XC & should like the lighter bullets w/o any issues.