Benchrest barrel torque. Apr 3, 2011 · My question is.

Benchrest barrel torque. As you may note. Jul 18, 2015 · My Cooper 57-M owners manual says to torque the rear screw at 25 in. Anyone out there able to give me a ballpark range I should be looking at? Thanks, Richard Feb 14, 2009 · Is it safe to leave the scope mounted when switching bbls? I torque mine to 100 ft-lbs and they come of without any bangs or pops. the slower bullets tend to be more stable. Barrel vises keep everything steady when you are working hard. I use a barrel block, with the scope on the block, cantilevered back over the action. This will help your Viper Barrel Vise last for years and years. 5# weight limit rifle's barrel is generally somewhere in the range of 21"-22". Jun 2, 2016 · On torque with a 1. Apr 18, 2024 · I use a torque wrench for both. I was just wondering what people's thoughts are when it comes to barrel length for benchrest shooting with 22lr. Sep 27, 2011 · curmudgeon. Other methods have to do with shank diameter 1. With my switch barrels using a barrel vice and wrench, it is nipped up just past finger tight, no torque wrench is used, when the barrel stops, it is tight enough. 115 of the action and cut the barrel chamber to 1. Jun 2, 2013 · There are six Anschutz 2000 series rifles at my club all shooting benchrest,all of em are capable of shooting 250's all day long[and do] some have lilja barrels fitted, all of the rifles came from the factory, the barrel clamp screws have a dab of red paint on, check the factory torque before changing the barrel. It may also be that some of the high end bench rest folks, who don't publish what they are doing, are using torque values closer to 150 ft-lbs and assembly lube, which gets them up much closer to 20,000 ft-bls. Good idea. 800. May 17, 2016 · May 18, 2016. Sep 21, 2009 · Make sure that the barrel is free floated & your recoil lug is only touching the stock on its rear side. Be cautious not to over-tighten the barrel. Apr 3, 2011 · My question is. Jan 16, 2017 · By knowing what your barrel length is I can help you set the Harrels for what should be very close if not spot on a very good tune Drop me a line at prx2500@outlook. Benchrest barrels on custom actions have won national championships with 50 ft lbs. Finally, assemble the components with precision and test for accuracy at the range. The tops will enable you to grip barrels as small as . I have a few pre-64 Winchester Model 70s. He also never had a torque wrench & when I wanted him to set the barrel at 65 ft. Mass produced rifles get really high torque above 100 or even 150 ft lbs to squish less than ideal machining together. I use 300 in-lbs on all my 750-16 threaded barrels. 917562 yard pounds. May 7, 2009 · I read all of the threads concerning how tight to snug them up. How much allowance above the desired clearance is necessary at these Feb 16, 2010 · some wear . 060 short of the final chamber depth and remove the barrel from the lathe, screw it into the action and tighten to full torque. If you make a gauge hole, which requires jacking screws to open it up to put the barrel in, it doesn't take all than many inch-pounds. This will help burnish the mating surfaces together. You can buy plastic caps that screw on to the barrel stub. (Most Remington shooters consider this very important) Now - Go to the range on a nice calm day and play with it. Maybe I just don't know what I'm doing. The 70 foot pounds to torque a barrel isn’t going to delaminate the proof barrel, certainly didn’t seem to in my usage. removing the barrel from the receiver. I Apr 11, 2009 · That may be enough given the reduced forces from the relatively wimpy (compared to a . I've never had a barrel to move at 40 in/lb in firing. 1 of 2 Barrel Vised . - stamp from mfg, wooden jaws in vise to hold barrel, barrel drilled for sights, etc. It doesn't take much force, depending on the hole in the block. The compressive force from tightening the barrel at 350 in-lbs is of no consequence on my actions or the way in which I cut my threads. 4#’s). I can't tell where torque affects the tune. That is too much. I’ve tried everything from, light torque to heavy torque. Some commercial actions have a tapered seat. Feb 27, 2008 · -#1 is to loosen the screws and re-tighten using just the short end of the wrench, now gently pinch your fingers into the channel between the barrel and the stock, do this out at the end of the forend, and work the screws. A recent thread on barrel torque left no doubts as to the importance of tightening to torque ranges of 50 ft # to 100 ft # and above. What are the important factors to consider when selecting a rimfire action for a benchrest build? Sep 28, 2011 · Barrel torque Hey Mick, Thanks for the advice and link By way of advice, Bronson has a match grade heavy barrel and has performed exceptionally well however has a couple of quirky habits and as you rightly say - consistency is definitely the name of the game May 4, 2015 · This is just an idea. 270Winchester) bench rest cartridges. Of course I make my own 1. I did an experiment starting at 15 and 20 respectivly, and working my way up. Square allows a relatively smaller torque to be used and have headspace Apr 9, 2008 · I saw a test Kevin Nevius did about 1 ½ years ago where he shot 4 x 5 shot groups while varying the torque from 3Nm’s to 6 Nm’s (26#’s to 53#’s) and with that particular barrel and action, his best accuracy was at 4Nm’s (35. How do I turn the receiver off without doing any damage to it? This would be a factory installation and I assume it requires 100 ft lbs of torque to replace the barrel back in the receiver? May 17, 2016 · Guess to technical of a question with over 195 views and not one reply. I have Jun 2, 2016 · \\\\ If I had one of those Polar Actions, I would glue it to the top of my Rail with the barrel just hanging out, and see what it would do. Jackie, what you have here is what I call a cantilever setup. Aug 17, 2021 · How the barrel abuts the receiver also matters. To use the Viper or Python Barrel Vise Apr 29, 2017 · 35 to 40 ft/lbs is minimum and 65 to 70 is maximum in my opinion. Taper allows the action to be tightened up enough to discourage the owner from unscrewing the barrel. I want to have defined benchmarks whenever I can get them. Viper also advises wrapping the barrel when torquing the nuts over 50 lbs. EXACT- or no dice. Internet searches produce numbers all over the place, from 20 to 45 Viper advises wrapping the barrel when working with rifles where the torque of the action to barrel is unknown. Before the final torquing, put a light film of a good grease on the barrel threads and the action face. Always invest in a quality barrel vise. #11. Cut off the front barrel screw threads and glue the remaining in place. Since 1986, Tony Boyer of Keezletown, Virginia, has literally dominated benchrest competition in this country. I now have complete confidence in the strength and integrity of the barrel indexing system. The weight of other components will limit the weight of the barrel, and the easiest way to handle that is by shank length. Today's high end barrel manufacturers produce great blanks of all contours. 30 BR. On the other hand. May 25, 2023 · Use a barrel vise and barrel nut wrench or other suitable tools to apply the necessary torque. if your goal is long range shooting match ammo such as eley or lapua with an elevation adapter may give you better results. ) Sep 11, 2023 · There's just more material there. 45 Hart barrel and a double vee barrel block and 5 bolts/side, anything over 60 in/lb I can feel barrel distortion on a lead slug. , he was not comfortable with the idea. Many will have a different Torque setting for best accuracy. I am not a collector = I did this to a Pre-War 30 Government Model, Super Grade. There is a certain amount of extra work to use a barrel block, and additional weight. Thanks Feb 24, 2012 · Re: torque for remington 700 barrel 98. The Model 12 Benchrest delivers with the Target AccuTrigger™, which can be adjusted from 6 ounces to 2. Mar 22, 2014 · When you put the barrel into the barrel vice, get the vice as close as you can to the receiver. The barrels had a fit, over the wires, as recommended by Kelblys. BTW, I left the barrel hanging out of the vise so I could slug it without the vise effects. the closer a stocks front bag contact area is to the Cl of the barrel, the wider the angle from the corners of the bottom of the stock through the barrel CL, and the greater the roll stability. 1's for five shots Demand precision that's up to any challenge. If you feel movement then your bedding is no good. Calfee, I was reading one of your articles seen below and have question on torque pattern for the barrel bolts. I used 100 fp for years, went to 50 fp and now I am back to 100 fp. 900 diameter tenon, the second . If you are concerned about the effects of barrel installation torque and what it does to the bore at that connection, the larger tennon is better by a wide margin. . these 82g's are often refered to as military trainers some may have been used as The Viper Rimfire/Sporter Barrel Top is just that. Oct 7, 2013 · I never torque my barrels above 75lbs/ft on a permanent re-barrel. 875 and the last . Jan 18, 2015 · With a long barrel on a long-range rifle or 1000 yard benchrest rifle, the barrel blocks become even more important. I think I own 4 or 5. Apr 5, 2010 · I want to keep the same torque on my action screws and barrel tension screw on my newly purchased Win 52B Sporter. torque comments Some time ago I put barrels on 3 Stolle Pandas. Mar 24, 2017 · The length of a short range CF, 10. I was advised to remove it and to put on a 700 round Shillen ratchet barrel Dec 14, 2014 · Benchrest Tip: Optimize Your Rifle Position on the Rests. Thread starter Andy Cross; Start date Apr 24, 2012; 1; 2; Next. Sep 11, 2020 #1 I bought a Rim-x action and a pre-fit 22 lr barrel. Aug 17, 2021 · Member. It seems to me that the shorter your buttstock is from top to bottom, the less leverage it has to resist torque. lbs, and the front screw at 35 in lbs. In general a lot of 40X shooters will put more torque on the front screw. 250, and length, keeping it to an inch or so Dec 30, 2009 · Barrel torque For some reason 50-80 ft. ANSCHUTZ 2007/13 This is a flat bottom action. This raises the question to me as to how much these torque levels will affect clearances. Sep 27, 2011. This has all been covered but my particular puzzle is a little different. parshal Member. And there is no quality barrier related to barrel contour (that I know of). #1 · Mar 3, 2017. Scribe or punch a twelve o'clock reference mark on the OD of the barrel, near the receiver. Getting the best barrel vise you can afford is a must for any at home gunsmithing table. The location of the square holes changes the Mar 24, 2023 · The barrel does not defy physics and open up (no matter what cartoons depict such things). I can't think of a R700 or clone receiver where we torque shouldered barrels less than 100 foot pounds. Apr 9, 2009 · I would like the formula used to figure rifle torque and needed offset to counter act the torque,also the amount rifle movement before the bullet exits barrel thanks shannon Sep 27, 2009 · The front barrel screw First free float the barrel and pillar bed the action. 5 pounds, and a full-profile stainless steel barrel that's button rifled and perfectly balanced with the wood laminate stock. Uses same good trigger. The barrel is clamped. steven243 Guest. Won't work, won't shoot. Jun 18, 2008 · Mr. Many recommend 100lbs/ft, but this often burnishes the barrel shoulder. Mar 4, 2024 · Every barrel is different so with that said regarding the LimbSaver X-Ring Barrel Deresonator it helped tighten the groups on my CZ 457 American Synthetic's pencil barrel. I typically stick with 16 1/2" and a couple 18" barrels. They are both trued Remington actions, with oversize ground recoil lugs. I use a thread lubricant that reduces torque requirements but reaches the same compression on the receiver. When I chamber a 6ppc for a Panda action with a head space reading of 1. John Lewis and I made a 3/4" spacer to set a Panda action just high enough so it cleared the Jun 12, 2009 · Actually, I do this on a number of my benchrest rifles. I know before usng it the rifle would shootin in the mid . #2. Otherwise it is the same as the Anschutz 54 series, so needs more closing cam. The closer the better but anything closer than halfway to the receiver will be good. The stock is not pillared, and only about one inch of the barrel in front of the action Oct 15, 2023 · Barrel torque to keep the barrel from shifting can vary a lot depending on how well the mailing surfaces match up. Dec 30, 2009 · Jec Without being too rude, I will say that you are getting some bad advice from some shooters who seem to be ignorant of this entire concept of how Aug 26, 2009 · John, it can be very difficult to tune even the finest match barrel with ammo traveling 1200fps. The Hopwell method is very reliable, but you will probably shoot up a bunch of ammo searching for the best tune Oct 23, 2009 · I'm very new to the game and in lurking through the posts here it appears nearly any type of surface contact or void (i. Other BR actions have a square seat. Feb 29, 2016 · (The nutted 140 thang is my own deal BTW, NOT recommended by anyone else. #7. Thinking about that for a moment, it didn't take long to add a square 1/2 hole to each end of my savage nut wrench so a torque wrench could be used. Dec 12, 2017 · Action screw Torque Both of my action screws, on my 452 American have a very thin layer of Mobil 1, Synthetic TRANSMISSION Fluid. TRUST me on this, if you are NOT exact it could spin the barrel off and cause catosrophic perpendicular radial fractures of the crotchal region. Granted this is not a nut and a bolt but we are talking values 10-15% of what they would stand. Removing the barrel, was a snap as the barrel was free maybe 2 lbs torque. wordle; Align and Torque: Align the barrel properly with the action and torque it to the manufacturer's recommended specifications. With a 30″ long barrel, not only is there much unsupported barrel able to vibrate, but that extra length adds up to quite a bit of weight. Screw the barrel in place to spread the grease. Dec 30, 2009 · Misc. It’s a one time purchase that will serve you forever. I went to a school last winter presented by a famous Gunsmith and he said he uses 150 fp and has "cured" some finicky shooters by doing so. It shot very well. e. I need to purchase a small torque wrench but I have no idea what range I should purchase. Both Action screws are torqued at 25 inch pounds[max range], on my FREE floated barrel. Next time you go to the range, experiment with the position of your rifle on the front rest, and try a couple different positions for the rear bag. I takes a while to remount the scope and I'm trying to save some time but I don't want to ruin my expensive scope. Mar 8, 2016 · Breaking loose a barrel on a gun in a barrel vice sometimes requires a lot of torque, especially one that is very tight. These tops are made to fit either the Viper (four-hole top) or the Python (two-hole top) barrel vise with rimfire/sporter barrels in mind. Thread starter steven243; Start date Apr 23, 2010; S. Feb 19, 2024 · To build a benchrest rimfire, start by selecting a quality rimfire action and barrel, then choose a suitable stock and benchrest-style trigger. 450 barrel nuts lest anyone try set their savage at 140 realio-trulio pounds/feet LOL) BTW I took one of his rifles to "the local gunsmith" for barrel removal and the guy chipped the stock trying to get it off, with a HV barrel! Jul 21, 2014 · If a too tight Rail Gun Vee block can cause a $600. My test is at 40m and 77m for best torque setting. You can also buy barrel bags to store your huge barrel collection. ) on the barrel creates a possible constriction. I lubed the threads and tightened and loosened them several times to seat the threads together. Apr 28, 2009 · Hello gents. (or vise/versa) I clamp the barrel in the vise which is bolted down to a steel work bench. I've barrel blocked a number of CF riles, mostly long range, but at least one point-blank, a . Snug the barrel to the action a few times at a light tightening, about 3040 ft/lb or so. Just Sep 13, 2016 · Can someone educate me on how a mid barrel tuner works? I just installed one on my Turbo rimfire and set it up as instructed by another shooter and began tuning. Guess what, the rifle shot the best at the factory recommended settings. Think of it as "GI proofing" the gun. I have recently aquired a torque handle screwdriver from Brownells and am trying to determine what the optimal torque should be on the rear and front action screws. 20 instead of 1. Oct 19, 2009 · Contact the barrel MFG and/or action MFG to get the best answer. Mar 3, 2017 · 7089 posts · Joined 2016. sticks in my mind, but I did an online search and found anywheres from 25-150 ft. Apr 23, 2010 · CZ 527 action screws torque. So, how tight do you screw down the I saw a video of a guy who took a proof barrel off a gun, beat a cinder block to dust with it and proceeded to shoot a decent group after installing the barrel. I watched a benchrest shooter switch barrels on a BAT action and he ran it to the shoulder by hand and then marked the barrel and action and then rotated the barrel about 1/4" past that mark with an action wrench; no torque reading. When I bought my ppc it came with a just broken in Krieger barrel mounted. after testing the torque without any lubricant and then with, the torque came to 57 ft/lbs and is very repeatable if the barrel has to come off at a later date. Apr 24, 2012 · Barrel torque question. t, I need to know at what point do I stop tightening the screws. com and I will be happy to help. I've seen people using up to 24" barrels and don't understand the advantage you would get in this caliber. lbs. The owner said they just give the wrench a clunk with a 2 x 4. What about the scope if left mounted in the rings? I was taught that scopes are engineered to go front to back, not sideways, and that damage was possible in the loosening and tightening processnot good for the expensive Oct 27, 2008 · After firing forty rounds at extremely elevated pressures, the barrel torque was checked and found to be unchanged. 350 and 1. torque. Barrel Torque. I tightened them all to 35 ft/lbs, then I put a witness mark Sep 11, 2020 · Rimfire Barrel Torque. fourspear said: If you look at the torque values for a grade 5 bolt and 1 1/16 x 18 you get 900 ft lb dry and 676 lubed, just for a reference. The original prototype used a . Apr 23, 2010 #1 Jan 31, 2022 · The 260 Terminator barreled version of the rifle wears a 30” Hart barrel and weighs more than the heavy varmint class weight but was still legal for “light class” 1000 yard benchrest so I was pleased with that. Nov 20, 2012 · One of the gunsmith's I used to use, builds mostly hunting rifles, I was one of his first customers to have him re-barrel a dedicated benchrest rifle and set it up for a switch-barrel. Thread starter parshal; Start date Sep 11, 2020; P. I had to lend him my torque wrench Feb 7, 2008 · I just had several barrels chambered and set up by a well respected gunsmith to be used in two switch barrel rigs. Viper advises wrapping the barrel when working with rifles where the torque of the action to barrel is unknown. 500” to 1”. Under 200 in-lbs and the joint unloads under chamber pressure and vibration induced motion. But I'm lost at what it actually does and how it works. I'm back to 100 fp for barrel torque. Products::Rifle Barrels Please select your area of interest from the menu categories at the left. I bought a T-handled rear action wrench for removing and installing the barrels from Kelbly's; a very well Jan 28, 2023 · I have found anything over 400 in-lbs on the barrel torque will compress the bore. Feb 5, 2012 · Not quite that simple YES there's a specification of 250ftlb for a 'plain' bolt but the number falls to 125 when the bolt is lubricated and the chart only accounts for the BOLT (barrel tenon) not for the fragility of the receptor (receiver. Here’s some benchrest advice that can help you reduce vertical and shoot tighter groups… without spending another penny. 00(installed) rail gun barrel to shoot like s. Aug 17, 2021. This will help to prevent damage to the powder coat finish. Below is a progression of sighting in a new scope and adjusting the LS @ 50 yards using TAC-22 Subsonic which is my favorite squirrel hunting round. A barrel vise makes barrel work easy and keeps you from making an expensive whoopsie. 1150 I get no crush of and kind but the bolt has zero movement with about 80/100 lb. Mar 15, 2008 · When about ninety percent finished with a barrel installation, stop about . iynbkls zozs leej awcqntq rvboz biost wqrddkb hajbsd top joa