When you believe you have the scope mounted correctly, begin to tighten your ring screws. Quantity. Too-long base screws will interfere with bolt travel. 4.6 out of 5 stars 2,036. I would like to mount a modern internally adjustable scope on this rifle. More info. Turner grew up in the scope-mounts business and spends plenty of time sorting out user-induced mount malfunctions. I recently got a Winchester model 70 with Unertl type scope blocks. Which screws go where? Condition: New product. Especially important to long-range competition rifles, any alignment error becomes magnified with distance, and a shooter may find an ostensible ⅛-inch windage or elevation adjustment at 100 yards becomes perhaps ⅜-inch at 600 yards and more at 1,000 yards. brownells (in stock) - 0.0. screw, m3.5x7.5, optilock scope ring screw. As usual, Bill Pa has "the" answer! Always torque the base screws to the same spec each time. Refurbished Scopes Restored Scopes Services For Your Scope Mounts Parts Man Cave Accessories Resources. Search the world's information, including webpages, images, videos and more. FREE Shipping by Amazon "Leapers RGWM-25H4 Inc., 1"", 2Piece, High Profile Picatinny/Weaver", multi, one size. The information and opinions expressed within this site are those of its contributors, and in no way should be viewed as the opinions or recommendations of Savage Arms. Specific mount systems will deviate from this general rule, such as with Leupold’s Mark 4 style rings, for which the maker recommends 65 inch-pounds of torque, and screws/nuts holding optics to Picatinny or Weaver rails (about 20 to 25 inch-pounds) but the above values apply, again, to most optics mounting. … Using ill-fitting tools of these types—say a metric Allen wrench on an Imperial-size head that seems “close enough” in size—typically results in stripping the head receptacle. In stock: 23 available. This scope was marred by overtightening the ring screws. Then there is not enough thread engagement into the rear receiver bridge and again not secure and resulting in loose screws or stripped threads. This is the most common error in scope mounting. Then make sure the rail screws are also tight (and you might well need another rail, by the way, since the Ruger-supplied one is too limiting), and that your scope mount and rings are also tight. As per example, when all of the screws are protruding from the bottom of the base by 1/8 inch. This is useful if your rifle has a long action and a scope with a shorter main tube. The holes on the receiver ring are approximately .875" apart and the holes on the rear bridge are about .440" apart. Align bases (or base) with mounting holes in the receiver and check that the distance between the ring areas fits the amount of tube space on the scope. The Optilock™ scope mounts have new features making this famed scope mounting system the choice for ultimate accuracy. Using the wrong size blade or an automotive type screwdriver on these can damage the screw heads—and if overtightened, often ruins the slot completely upon attempting removal. The factory has no current cross-reference to the 742 parts interchangeability, if a gunsmith orders the 742 part number, the order will come back saying -- discontinued--. If … A rail makes moving the whole assembly back a bit super easy. Damn - I hate to have to rely on some uninterested clerk to determine what I can buy ! 299.00. Utilizing both can prevent frustration, problems and downtime at the gunsmith. Every DNZ Scope Mount is precision machined in North Carolina from Top Grade, Solid Billet Aluminium. Privacy Policy   •   Contact Us   •   Warnings   •   FAQs   •  © 2021 National Rifle Association of America. Reference: 27e3ca16. It doesn’t make sense to lubricate two joining parts that you specifically don’t want to move. …about .03” lower on front ring than a standard mount. First thing to do is get a properly fitting power screwdriver or better yet, a gunsmith hollow-ground bit that fits the screw slot. We offer an exceptional lineup of rifle scope mounts, rings and bases for Benelli, Browning, Thompson/Center, Tikka, Traditions, Weatherby, and more. The most common one is overtightening the ring screws. . Nickel. $11.09 $ 11. Long screws end up not letting the base get secured down to the top of the firearm. Weaver does it right so you don't have to worry about it. When rings fit properly to scope tubes, water intrusion between the two is unlikely, but cheaper ring/scope combos may not fit so well. (See an example of scope ring alignment rods in the picture at the top of this article.). Any DIY-inclined person can properly mount optics with a bit of knowledge and the correct tools. The red type is for permanently locking screws; combine red thread locker with overtightened screws, and when it comes time to remove a scope and bases, you’ve got a problem. Occasionally a new scope is defective, but more often the problem can be traced to one of the two most common mistakes in scope mounting. from 79.00. There’s enough left behind to do the job. Currently they’re using 8 x 40 torx head screws, applying 15-17 in/lbs would not cause the fastener to stretch and impart preload to the joint; but it will likely hold the scope tight enough to keep it from slipping and not damage the tube. Simply add a washer or two to the inside of the screw. Remington 700 Scope Mount Screws. If you do decide to get the bases with the windage adjustment, don't forget to "center" the windage crosshair before mounting, and use the base adjustment screws for the coarse adjustment. It must be long enough to engage all the threads in the screw hole for proper grip, but not so long as to interfere with the movement of the bolt. Once again, get your bubble levels and place one on the rifle’s rail and the other on top of the scope elevation turret. Then remove the base screws and that should allow the bolt to open. This site utilizes affiliate programs to generate revenue and as such purchasing a product reached by clicking on a link on this site may earn us a small commission on that sale. Each morning eat a live green toad, it will be the worst thing you'll have face all day. Then place the bit in the screw and whack it several times with a small hammer. Monstrum Extended Series Offset Picatinny Scope Mount for Long Range Scopes | 30 mm Diameter. They don't have all the scope bases behind a counter where some fool clerk has to look for me! Click here to place order! Add to wishlist . Rings out of alignment with each other applies unnecessary bending stress to the scope tube, which can affect its internal working parts and seals. Women On Target® Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Ambassadors, NRA Outstanding Achievement Youth Award Presented by Brownells, National Youth Shooting Sports Cooperative Program, Accuracy vs. The other re-occurring problem on screw length is too short of a screw on the rear base. Just make sure the action and stock screws are tight and the barrel band screw is snug. Alignment is checked with alignment rods, and can be adjusted with lapping, shimming and other methods. The front screw of the front base is shorter than the rear screw of the front base - as needed for the depth of the holes. Bases attach to the holes that are drilled and tapped into your firearm (I’ll cover Weaver-type and Picatinny rail mounts in a bit). 5 (2) Torx Head Base Screws, Blue, 6-48 Thread, .350" length LEUPOLD TORX SCREWS. 2. BROWNELLS. Add to cart. Anyone have problems of the front scope mout screw botting out on the barrel? While you wait, how about trying out our online Sako 85 Selector? Nothing is tougher than Talley Watch Video. Most optics mounting errors can be prevented by using the right tools: hollow ground screwdrivers, proper-size tool bits and a torque wrench or torque limiter. In this case, the scope was too far forward for optimal eye relief. The two rear base screws are longer than the front, the two front base screws are not only shorter but of different length to each other. That will usually jar even the tightest screw loose. Tighten each screw individually, making sure it clamps to the base securely. Precision: Sharpen Your Shooting Skills, The Best .22 Caliber Pistols for NRA Bullseye, Heavy 9mm Luger Bullets: Everything You Need To Know, Review: Smith & Wesson M&P 15-22 Sport OR with Optic, 6 Things You Didn’t Know About Sporting Clays, Amsterdam 1928 Olympics: Another Games Without Shooting Events, Team Hornady’s Sean Murphy & Greg Hamilton Victorious At Vortex Team Sniper Challenge, © 2021 National Rifle Association of America. Providing tactical and shooting sports accessories & optics since 1992 and the official UTG & UTG PRO headquarters. Base screw length, then, is critical. 1st Way to Shorten a Screw that’s Too Long: First things first, let’s discuss the quickest way to deal with a screw that is almost the right length. Then you can finetune with the scope's windage turret. One person found this helpful. Redfield 1" Top 2 Screw High Luster Rings. BROWNELLS. Redfield 3-Ring Pistol Base for Ruger Super Blackhawk. Receiver screw holes for scope bases on a great many firearms are typically drilled and tapped all the way through, into the channel where the bolt rides. For questions/comments about Shooting Sports USA, please e-mail:ShootingSportsUSA@nrahq.org For questions/comments about NRA competitions, please e-mail:CompHelp@nrahq.org You can contact the NRA via phone at: NRA Member Programs1-800-672-3888, To advertise on Shooting Sports USA, visit nramediakit.com for more information. Both use a 7/64” Allen wrench. Tuesday, August 11, 2020. Just remove the scope. Obviously, this creates a wobble but part of the problem is also that the friction between the base and firearm is also part of the equation that hold everything together. Occasionally, rifles come to the shop with stiff or immovable bolts caused by a too-long screw protruding into the bolt channel. Many manufacturers have moved away from slotted screws for scope mounting, instead favoring Allen or Torx types. Here’s a quick list with six of the most common optics mounting errors that can land your firearm on the gunsmith’s bench. (+358) 10 830 5200. find your distributor. “Bases” are the part of the mounting that attach directly to the firearm, usually with screws, and they provide—as the name implies—the base that supports the rings and scope. It's a must for long distance shooting This changes everything. "The rings' screws get even less--we recommend 17 inch-pounds." I have 2014 Model 111 in 7mm rem mag with Ken Farrell mount and rings. In stock 10+ In stock, delivery from Brownells USA within 7-10 days. williams gun sight (in stock) - 4.5 (5) stainless steel sight base screws. Timothy. sako (in stock) 0.0. torx screw kit. Thank you and welcome to the world of Sako! 75.00 . "On just about all of our bases, the screws only require 20 to 25 inch-pounds of pressure," Turner said. The usual problem here is that the scope base mounting screws may be too long, protruding down into the receiver bolt rails, and then dragging on the bolt lugs upon firing. Too-long base screws will interfere with bolt travel. 198 Posts. If not, the screw will have to be shortened. IF you are sure the screws are 6/48 I will send you 4 screws, just tell me how long and give your mailing address. Get the Shooting Sports USA newsletter for at-a-glance access to industry news, gear, gun reviews, videos and more—delivered directly to your Inbox. FREE Shipping on orders over $25 shipped by Amazon. In stock 10+ In stock, delivery from Brownells USA within 7-10 days. Overtightening results in snapped-off screws or stripped threads, and sometimes screw heads so damaged upon attempting removal that they are not reusable and may require drilling out. In fact, he should have mounted the base with the bolt REMOVED for extra safety. Base screws are 6-48 X 1/4" long. If you feel you must have a corrosion preventative between rings and scope tube, apply a preservative type oil and then wipe it off completely with a dry cloth before assembling. Back Fixed ... Redfield 1" Engraved Hidden 2-Screw Rings with Sako Dovetail Bases, High Luster. Scope mount or Picatinny Rail. P.O. When all of the screws that we provide are protruding from the bottom of the scope mount or scope base by the same amount then the screws are in the correct order. £8.75 * £7.15 - £15.30* Replacement Sight Screws. Ring and base screws need surprisingly little tightening; for most rifles, ring screws need be torqued to only 15 to 17 inch-pounds and base screws only 14 inch-pounds, or perhaps 20 inch-pounds for magnum rifles. Then reattach the knob. Most people work the screws... Once the scope is tightened down, test your gun’s action. 95. Mounting optics or repairing the mistakes of DIYers constitutes a significant portion of employment for many general-work gunsmith shops. And by all means, he should have checked the action to open and close it before he allowed the gun to leave his shop. Ring screws are 6-40 X 5/8” long. 6-48 x 1/4 filister head screw for Remington 700 AKA rem 700. this is the correct thread for a factory Remington 700 receiver. For most rifles, thread locker—brand name “Loctite” for example—is not necessary on ring and base screws. The Best Never Rest. Talley Scope Rings; Scope Ring Bases; Lightweight Alloy Scope Mounts; Picatinny Rails; Rimfire and Specialty Rings; Gunsmithing Products ; Mounting Accessories; Talley Gear; Shop By Brand; Clearance; Find a Dealer; Search; Cart; Search for: Search. Sako Limited. check out the. And sometimes the adjustments act unpredictably. If the number of turns is less, you are good to go. VINTAGE GUN SCOPES FORM AND FUNCTION GUARANTEE. If this is your first visit, be sure to At least four threads must engage the receiver taps to ensure strength; replace screws that are too long or short. A torque wrench also numbers among proper tools for scope mounting, addressed below. All too often, a new scope runs out of clicks before bullet holes appear anywhere near the center of the target. brownells (in stock) - 5.0 (6).146x48 oversize 6-48 screw shop kit . Next, replace the long base screws with shorter ones. Discussion Starter • #1 • Aug 29, 2013. Remove screw, place mount on action, insert screw through mount and count number of turns needed to tighten mount to action. 4.6 out of 5 stars 187. By PaulWood in forum Savage & Stevens Rimfire Rifles, By Blue Avenger in forum Article Discussions. The sole purpose of this site is to provide an online community for those who wish to interact with other Savage firearm enthusiasts. Helpful. leupold (in stock) 0.0. target windage knob. Send to a friend *: *: * Print ; $4.99. You will soon receive your first email from us. To find the center, count how many clicks the windage moves total left to right, then divide by two. by Art Merrill, Field Editor - Report abuse. Slotted screws are still abundant, and only hollow-ground screwdrivers of proper fit should be used on gun screws. 09 $13.41 $13.41. brownells (in stock) - 4.9 (7) foolproof target knobs. Occasionally, rifles come to the shop with stiff or immovable bolts caused by a too-long screw protruding into the bolt channel. Without the base, take the base screw and just barely start it into the action, count the number of turns required to bottom out on the barrel. long 6-48 & 8-40 screws. A torque wrench or torque limiter will preclude failed fastener problems. Adjust the scope turret back that number of … If the front screw on the front base is too long it will bottomed out in the receiver threads – and therefore not hold the base securely to the receiver. BOX 149 FI-11101 RIIHIMÄKI FINLAND Tel. Read more. However, if the front and/or rear ring was made out of spec, or if the height of the scope bases do not concur, or you are using an off brand scope, you may need to impart more torque to the ring screws to get them to hold the scope … $34.95 $ 34. Bam, perfectly tight knob. £2.95 * £1.60 - £21.55* Replacement Sight Screws | Metal Screws. LONG 6-48 & 8-40 SCREWS. :)) I'm not set up like that, so I just stone all of mine shorter to a length where I am sure they don't bottom out. Only the heaviest-recoiling rifles might justify thread locker on base screws, and then it should only be the blue, removable type. How do you tell if the front screw on a scope mount is too long? Any DIY-inclined person can properly mount optics with a bit of knowledge and the correct tools. DNZ Game Reaper 1-Piece Integral Scope Mount - Remington 700 SA High 30mm with 8-40 Screws - Black. Google has many special features to help you find exactly what you're looking for.