Rebarreling to 280 AI

I have a 280 AI M700 action blueprinted, Tubb Recoil Lug, Hart #5 fluted 24" pillar bedded in a Remington LSS stock.
JD700280AI.jpg

I am getting 3019 fps with the 160 gr AB and 3240 fps with the 140 gr AB.
160 gr AB and RL 22, Nosler case and Federal GM215M primer.
280AI.jpg

JD338
 
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