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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How long does it usually take a barrel to break in
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<blockquote data-quote="darldavidson" data-source="post: 1326826" data-attributes="member: 88068"><p>I just had a custom rifle built by Valhalla Rifleworks. It was built around my old Rem Mag action ... HS Precision stock, Precision Research barrel (1:8 twist), Jewell trigger, and a Nightforce 5.5 by 22 scope. I shot and cleaned after each shot for the first 15 then 3 shots and cleaned. It only took 24 rounds before I found the correct load: 69.1 grs H1000, GM210M primers, 162 gr Amax Match ... round 25 was a fouling shot and 26, 27, 28 were .072 group.</p><p>[ATTACH=full]77649[/ATTACH]</p><p>When reloading: full resize works best for this rifle (head space .003), clean with ultrasonic, adjust powder by tenth of a grain to get best group, adjust bullet depth (5000th of lands best for this rifle).</p></blockquote><p></p>
[QUOTE="darldavidson, post: 1326826, member: 88068"] I just had a custom rifle built by Valhalla Rifleworks. It was built around my old Rem Mag action ... HS Precision stock, Precision Research barrel (1:8 twist), Jewell trigger, and a Nightforce 5.5 by 22 scope. I shot and cleaned after each shot for the first 15 then 3 shots and cleaned. It only took 24 rounds before I found the correct load: 69.1 grs H1000, GM210M primers, 162 gr Amax Match ... round 25 was a fouling shot and 26, 27, 28 were .072 group. [ATTACH=full]77649[/ATTACH] When reloading: full resize works best for this rifle (head space .003), clean with ultrasonic, adjust powder by tenth of a grain to get best group, adjust bullet depth (5000th of lands best for this rifle). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How long does it usually take a barrel to break in
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