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Rifles, Reloading, Optics, Equipment
Gunsmithing
should i bed the barrel.
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<blockquote data-quote="Bart B" data-source="post: 687379" data-attributes="member: 5302"><p>My experiences are from epoxy bedding several barreled actions in both wood and synthetic stocks. Doing that work myself's been enjoyable as I shot high power competition for a few decades winning my share of matches, wearing out 15 to 20 barrels for .308 Win. as well as 26 and 30 caliber magnums. Got classified by the NRA in the top 2% of all long range competitors as well as being selected for and shooting on a few US national and international teams. </p><p></p><p>With two .308 Win. barreled actions and two more 30 caliber magnum ones, they first were bedded under the chamber for 2 inches. Tested them for accuracy with 20 shot groups at 600 or 800 yards for the .390's and 1000 yards for the magnums. After each group for each, the barreled action was removed and 1/2 inch of under-chamber bedding was removed then reinstalled and stock screws torqued to their values. As the barrels heated up, vertical shot strining happened. For each 1/2 inch of bedding removed, accuracy improved a bit and vertical stringing lessened. When it was all removed and the barrels were totally free floating, they shot most accurate for 20 to 30 shots. I did this long ago 'cause a couple of friends, both Nat'l champions, suggested I not bed under the barrels anywhere after I did on my first match rifle. </p><p></p><p>Being a bit skeptical because of its popularity, I did it anyway then tested each as mentioned above. Had to admit, they were right. None of them and others of their ilk put bedding underneath their barrel's chamber area. I don't know of any benchresters that do it, either. When I don't bed under that part of the barrel, they shoot as accurate as long range benchrest rifles do. I don't know of any rifle with contact bedding under the barrel's chamber that'll shoot inside 3/4 MOA at 1000 yards for 20 to 30 shots fired in 20 to 25 minutes; that's what has to happen testing rifles (and ammo) used in high power competition in long range matches.</p></blockquote><p></p>
[QUOTE="Bart B, post: 687379, member: 5302"] My experiences are from epoxy bedding several barreled actions in both wood and synthetic stocks. Doing that work myself's been enjoyable as I shot high power competition for a few decades winning my share of matches, wearing out 15 to 20 barrels for .308 Win. as well as 26 and 30 caliber magnums. Got classified by the NRA in the top 2% of all long range competitors as well as being selected for and shooting on a few US national and international teams. With two .308 Win. barreled actions and two more 30 caliber magnum ones, they first were bedded under the chamber for 2 inches. Tested them for accuracy with 20 shot groups at 600 or 800 yards for the .390's and 1000 yards for the magnums. After each group for each, the barreled action was removed and 1/2 inch of under-chamber bedding was removed then reinstalled and stock screws torqued to their values. As the barrels heated up, vertical shot strining happened. For each 1/2 inch of bedding removed, accuracy improved a bit and vertical stringing lessened. When it was all removed and the barrels were totally free floating, they shot most accurate for 20 to 30 shots. I did this long ago 'cause a couple of friends, both Nat'l champions, suggested I not bed under the barrels anywhere after I did on my first match rifle. Being a bit skeptical because of its popularity, I did it anyway then tested each as mentioned above. Had to admit, they were right. None of them and others of their ilk put bedding underneath their barrel's chamber area. I don't know of any benchresters that do it, either. When I don't bed under that part of the barrel, they shoot as accurate as long range benchrest rifles do. I don't know of any rifle with contact bedding under the barrel's chamber that'll shoot inside 3/4 MOA at 1000 yards for 20 to 30 shots fired in 20 to 25 minutes; that's what has to happen testing rifles (and ammo) used in high power competition in long range matches. [/QUOTE]
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should i bed the barrel.
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