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Long Range Hunting & Shooting
Barrel break in accuracy
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<blockquote data-quote="Lenny Foffa" data-source="post: 2460091" data-attributes="member: 100742"><p>I had my Gunsmith put a very heavy Hart 29 inch barrel, on a 98 Mauser Action, Timney Trigger , chambered in .270 Win. Very Long Throat so I can seat the 150 Grn ABLR and the 170 Berger way out. 8 twist . His instructions to me were as follows. First shot clean the bore ; Second shot clean the bore; third shot clean the bore; 4thshot and 5th shot same thing . Then fire #7 and # 8 and clean the bore; then shots 9 and 10 and clean the bore. Shots 11 and 12 same thing. Then clean every five shots thereafter, until you have fired 20 shots. Then do what you usually do. That was the break in instruction, by a Bench Rest Gun Smith and the rifle shot excellent groups of three at 100 and 300 yards, with my first experimental load of H 4831.</p></blockquote><p></p>
[QUOTE="Lenny Foffa, post: 2460091, member: 100742"] I had my Gunsmith put a very heavy Hart 29 inch barrel, on a 98 Mauser Action, Timney Trigger , chambered in .270 Win. Very Long Throat so I can seat the 150 Grn ABLR and the 170 Berger way out. 8 twist . His instructions to me were as follows. First shot clean the bore ; Second shot clean the bore; third shot clean the bore; 4thshot and 5th shot same thing . Then fire #7 and # 8 and clean the bore; then shots 9 and 10 and clean the bore. Shots 11 and 12 same thing. Then clean every five shots thereafter, until you have fired 20 shots. Then do what you usually do. That was the break in instruction, by a Bench Rest Gun Smith and the rifle shot excellent groups of three at 100 and 300 yards, with my first experimental load of H 4831. [/QUOTE]
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Barrel break in accuracy
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