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    Rimfire Coldbore issues....

    After scrubbing the barrel clean I conditioned it today with Eley Rifle Match. And the cold bore returned, needles to say I was pretty bummed. I cleaned the barrel and shot some Lapua ammo I had and the condition disappeared, yea! So after all thar it was the Eley lube causing all the wait...
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    Rimfire Coldbore issues....

    I'm stumped a little with the tuner talk. Will a tuner allow bullets traveling 1150fps and 1080fps go onto the same group? The barrel won't wait. It cools a few minutes then the first round is 1150fps and the following 4 rounds clock in at the 1080fps velocity. I gave it a thorough...
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    Rimfire Coldbore issues....

    I don't think the tuner has anything to do with the velocity changes I'm seeing. The velocity changes are the culprit. When the ammo stays between 1090 and 1080fps it shoots great. It's when I stop shooting it cools in a minute or two. I'm thinking the bore may need an aggressive cleaning...
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    Rimfire Coldbore issues....

    Thanks Tony. I'm shooting ELR with a rimfire engaging targets from 50 to 400 yards. It's mostly for fun. The struggle is its tough to predict where the first shot will go due to the length of time between shots. The velocity is changing due to the time between shots. How do I fix this? I'm...
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    Rimfire Coldbore issues....

    If I wait say 3 minutes, the high velocity shot shows up. It's kinda like the Eley bullet lube in the bore gets cold and the next shot after the delay is fast by about 50 fps. It's weird and very tough to determine where the first shot will go at say 300 yds. I'm perplexed. I tried some...
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    Rimfire Coldbore issues....

    I have a RimX with a heavy stainless M24 Muller barrel. Muzzle is not threaded but has a Harrel Tuner tightly clamped on. Reciever is glassbedded to a heavy black walnut stock. I'm shooting Eley Match black box ammo. First shot will go high ³/8" and left ¹/4" with a higher velocity a out 50...
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