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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM First Shot High?
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<blockquote data-quote="Engineering101" data-source="post: 805820" data-attributes="member: 63138"><p><span style="font-family: 'Verdana'"><span style="font-size: 10px">I've got a new stainless Savage M114 that was a 270 Win. I took off the toothpick they call a rifle barrel and put on a new "factory" standard shank stainless 300 RUM barrel, 26", varmit contour. I hogged out the barrel channel in the walnut stock so the barrel floats with good clearance. It came steel pillar bedded from the factory. I swapped out the factory recoil lug for a thicker precision recoil lug, epoxy bedded but with the epoxy removed under the bottom of the lug so there is no upward pressure on the lug when the action is bolted in the stock. Headspace was set to near minimum by screwing the barrel in on a PTG go gage. The torque on the barrel nut was set not with a torque wrench (I don't own one) but "a good hard pull" which I'm guessing is ~ 80 ft lbs. A 4-port Muscle brake is installed on the barrel. </span></span></p><p> </p><p><span style="font-family: 'Verdana'"><span style="font-size: 10px">Initial loads out of this rig have grouped 1" to 1.5" at 200 yards depending on bullet and load but cold bore (dirty or clean) the first shot is always about 4 inches high, then it groups. If I let it cool 10 - 15 minutes between shots which is not as cool as cold bore, it will walk down the paper an inch at a time. I've swapped between 3 different scopes which doesn't change the results. Except for the cold bore shot, I was somewhat surprised how good this thing shoots since it isn't a custom barrel and it is just the factory stock tweaked up a little. So all you Savage rifle tuners – what do I change to get it to put them all in the same spot? </span></span></p></blockquote><p></p>
[QUOTE="Engineering101, post: 805820, member: 63138"] [FONT=Verdana][SIZE=2]I’ve got a new stainless Savage M114 that was a 270 Win. I took off the toothpick they call a rifle barrel and put on a new “factory” standard shank stainless 300 RUM barrel, 26”, varmit contour. I hogged out the barrel channel in the walnut stock so the barrel floats with good clearance. It came steel pillar bedded from the factory. I swapped out the factory recoil lug for a thicker precision recoil lug, epoxy bedded but with the epoxy removed under the bottom of the lug so there is no upward pressure on the lug when the action is bolted in the stock. Headspace was set to near minimum by screwing the barrel in on a PTG go gage. The torque on the barrel nut was set not with a torque wrench (I don't own one) but "a good hard pull" which I'm guessing is ~ 80 ft lbs. A 4-port Muscle brake is installed on the barrel. [/SIZE][/FONT] [FONT=Verdana][SIZE=2] [/SIZE][/FONT] [FONT=Verdana][SIZE=2]Initial loads out of this rig have grouped 1” to 1.5” at 200 yards depending on bullet and load but cold bore (dirty or clean) the first shot is always about 4 inches high, then it groups. If I let it cool 10 - 15 minutes between shots which is not as cool as cold bore, it will walk down the paper an inch at a time. I’ve swapped between 3 different scopes which doesn’t change the results. Except for the cold bore shot, I was somewhat surprised how good this thing shoots since it isn’t a custom barrel and it is just the factory stock tweaked up a little. So all you Savage rifle tuners – what do I change to get it to put them all in the same spot? [/SIZE][/FONT] [/QUOTE]
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300 RUM First Shot High?
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