Does the serial number on that 700 action begin with "RR?" If so, that is a possible problem. 10 twist is absolutely perfect for that bullet. Do you let that barrel get hot? If so that's a potential issue as well. Nearly 100% of the time when I'm doing initial testing my best groups do not have the best ES and my mediocre groups typically have best ES. I did not hear you mention what your goal is with this rifle and ammo. Thanks for posting. I love 280 Rem. I have one remaining that I had built. Had 2 but the latest one was a right hand (backwards) so I sold it. Now I have three 280AIs and more on the way
It's your twist rate, 1.9 or 9.5 twist rate would be better. 1.90 would be optimal for your bullet you could even go to 1.8.5. You are getting excellent groups for the bullet your using. You could try a different bullet in the same weight if your worried about the numbers. I'm thinking about getting a 280 myself. But i would most likely change out the barrel for a faster twist rate and keep bullet selection to 120 to 155 grain. Just my opinion. I'm still a fan of the long action. Good shooting!
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cant wait for your next video
Does the serial number on that 700 action begin with "RR?" If so, that is a possible problem. 10 twist is absolutely perfect for that bullet. Do you let that barrel get hot? If so that's a potential issue as well. Nearly 100% of the time when I'm doing initial testing my best groups do not have the best ES and my mediocre groups typically have best ES. I did not hear you mention what your goal is with this rifle and ammo. Thanks for posting. I love 280 Rem. I have one remaining that I had built. Had 2 but the latest one was a right hand (backwards) so I sold it. Now I have three 280AIs and more on the way
It's your twist rate, 1.9 or 9.5 twist rate would be better. 1.90 would be optimal for your bullet you could even go to 1.8.5. You are getting excellent groups for the bullet your using. You could try a different bullet in the same weight if your worried about the numbers. I'm thinking about getting a 280 myself. But i would most likely change out the barrel for a faster twist rate and keep bullet selection to 120 to 155 grain. Just my opinion. I'm still a fan of the long action.
Good shooting!
That test should have been 300 yards minimum. Preferably 400.