Scope Base Screws DNZ Game Reaper 1-Piece Integral Scope Mount - Remington 700 SA Medium 30mm with 8-40 Screws - Black. Scope blocks are also called scope bases. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. For our purposes we are going to consider the thread locker on the screw to be a lubricant. Optilock Weaver base makes the use of Optilock rings possible in all rifles with Weaver or Picatinny rails. We recently obtained some ring and base screw specs from Leupold: base screws 14 in/lbs, ring screws, 15-17 in/lbs, and 45 in/lbs on the windage screw, 65 in/lbs on the cross bolt for the Mk IV ring.Previously, they told us that base screws with 6 or more threads of engagement would require 22 in/lbs, 6 or less 12 in/lbs. Torque wrenches are great and provide consistency but I don’t believe you can’t mount a scope mount without one. Master Blaster Member. Our scope base was designed for the original 6-48 screws so the screw clearance holes need to be opened up for the larger 8-40 screws and the counterbores for the screw heads will need to be enlarged. http://findarticles.com/p/articles/mi_m0BQY/is_6_47/ai_74033107/. I always apply some PB Blaster and let it soak briefly before removing the screws. Please see my Thread Locker post for more details. Replacement Screws For HD Ring Cap SKU:49996 From. Then tighten the outer two screws until they just make contact. BROWNELLS (In Stock) - 0.0. $7.50. Both screws use a 7/64″ Allen wrench. Replacement Set of Torx Mount Screws w/ Bit SKU:49998 From . With the four corner screws snugged to hold the scope, apply Loctite to the two remaining screws and torque them down on each ring. $4.00. We see screw heads rounded out and upon examination with a 20X magnifying glass it is obvious most of the time the wrench was only inserted part way. Check for proper fit and alignment. If you have done everything correctly all the screws should be set at the same torque you originally applied. ****Some of the Stealth models and .338 Lapua receivers have been modified at the factory and have larger base screws. You should never need oil to screw in a base screw. SAKO (In Stock) 0.0. Replacement Set of Torx Mount Screws w/ Bit SKU:49998 From. For over 75 years shooting sports enthusiasts have turned to Brownells.co It is not all that hard, the screws need to be tightened, not over tightened, enough so the mount is not loose and the screws will not loosen up. ocabj, Nov 17, 2004 #8. I will give you what I have learned over the past 30 years of doing this for a living. If you have short and long screws, please use the short screws in the front of base/rail, front holes of firearm Remove all oil and grease from the holes in the receiver, the base screws and contact surfaces. Live Chat Live Chat. I use small screw, service removable thread locker. I have been using the following method of tightening scope mount screws since I started in business. Brownells is your source for Replacement Sight Screws,Sight & Scope Installation Tools at Brownells parts and accessories. Replacement Screws For Red Dot Mounts (3 Mount Screws 1 Set Screw) SKU:49995 From. They require 8-40 screws. Screw Sizes: 6-40, 6-48, 8-40 tpi. Apply scope base with bedding compound to your rifle action, and begin tightening the center two screws until the base appears to be all the way down, and you can just feel the screws begin to tighten. Base screws are 6-48 X 1/4″ long and ring screws are 6-40 X 5/8″ long. It is generally pink or a milky red or purple in color. Discussion in 'Rifle Country' started by oz_lowrider, Dec 8, 2009. Replacement Screws For HD Ring Cap SKU:49996 From . The Steel Bed was mixed, and a black dye was added to help it match the scope base. In some instances the front base will overhang the receiver, place base overhang towards the rear of the firearm. #8 Drill Out Kit SKU:49994 From. With this mount, you have six screws in each ring. If you like to shoot work on guns as a business or hobby or just own a gun this is the place for you! I know this can all be debated until the cows come home but you can’t go to far wrong using the above specifications. $4.00. Let’s consider the 15-17 in/lb specification offered by Leupold for their ring. Place the base(s)/rail on the receiver. If you only insert the wrench in say half way, that will also lead to rounding out the head. I then turn the wrench another 1/8 of a turn. There are also different specifications for dry or lubricated screws. Remove all oil and grease from the holes in the receiver, the base screws and contact surfaces. One Method For Sighting In a Scope or Dot Sight. I do use thread lock on ALL scope mount and ring screws. $5.00. It is not all that hard, the screws need to be tightened, not over tightened, enough so the mount is not loose and the screws will not loosen up. Ring screws are 6-40 X 5/8″ long. All information is provided "as is" with all faults without warranty of any kind, either express or implied. It is generally pink or a milky red or purple in color. That can be either the base or the scope ring, and this causes confusion. When torquing screws with a Torque wrench to a particular specification there are many variables. scope base mounting screw thread size. And remember always shake the LocTite first before use . Check for proper fit and alignment. Old School I can say I have never had a failure using this method. BROWNELLS - TORX HEAD SCOPE RING & BASE SCREW KIT Height of mounts from top of receiver to centerline of scope tube is – medium 1.13″. It is pretty straight forward. 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. Delta Point Pro Bushings (4 Pack) SKU:49993 From. Neither The High Road nor any of its directors, members, managers, employees, agents, vendors, or suppliers will be liable for any direct, indirect, general, bodily injury, compensatory, special, punitive, consequential, or incidental damages including, without limitation, lost profits or revenues, costs of replacement goods, loss or damage to data arising out of the use or inability to use this forum or any services associated with this forum, or damages from the use of or reliance on the information present on this forum, even if you have been advised of the possibility of such damages. SCREW, M3.5X7.5, OPTILOCK SCOPE RING SCREW. 6-48 13 inch pounds Price in USD: 125. Using a short arm ALLEN® wrench I snug the screws down. $4.00. Redfield JR Vintage 4-Screw Medium-Height 1" Rings Dark Gloss Blued Scope Mount. Attaching the Scope Base The first step to attach a scope is make sure your rifle is secure, and you can do this by setting it in a gun vise. Tighten the base screws down using a torque wrench, the 6-48 screws to about 22 in.-lbs., the larger 8-40 screws torqued to 26 in.-lbs. The industry standard for scope mounts is the 6-48 screw. (A sight "mount" is correct terminology, but note that it is not a scope mount.) The distance between centers on the screws is about 53.5mm. 6-40 11 inch pounds Thompson Center Encore Pistol: Base screws are 6-48 X 1/4″ long. In some instances the front base will overhang the receiver, place base overhang towards the rear of the firearm. Ending Mar 15 at 9:18AM PDT 2d 6h. Step 5: 8-32 18 inch pounds Place the base(s)/rail on the receiver. I am sure it varies with different people tightening the screws but it should get you pretty close. Many of you know I am an old timer. I do use thread lock on ALL scope mount and ring screws. 6-32 9 inch pounds I'm no expert at all but I've always applied a small amount of blue LocTite to the screws to secure the scope base to the receiver. Although The High Road has attempted to provide accurate information on the forum, The High Road assumes no responsibility for the accuracy of the information. This is a hot topic today. Are the screws included? This will hold the scope securely and you can now remove, apply Loctite and torque the rest of the screws … The scope mount bases are available in four models for Sako and two for Sako TRG-22/42 rifles. Height will be about .03″ lower on front ring than a standard mount. Screws for Scope Mountss (18) Scope Mounts Bubble Levels (22) Rifle Scope Mounting Tools (13) Scope Mounts Angle Degree Indicators (13) Scope Mount Spacers (22) M-LOK accessories (7) KeyMod accessories (8) 800-741-0015. We all know what snug is. 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 … $5.00. It has been being done for over 100 year without Torque wrenches with great success. When you insert the wrench into the screw head make sure it bottoms out. I have looked over at lest 20 torque specification charts and even most of them don’t agree on specs. https://www.talleymanufacturing.com/product/savage-round-receiver-w-accutrigger-8-40-screws/ I ordered Talley 2pc lightweight rings/bases with the 8-40 screws and they work perfectly. Inferior brand wrenches fit loose in the screws and will lead to rounding out the head. The base was prepared by filling the front ring-attaching hole with modeling clay and liberally coating the base with release agent. Choice of right base model depends on action length, scope tube length and eyerelief that is needed. We did an experiment at the shop and found that is pretty consistently 20 inch pounds of torque with me doing it. Here are the specs we suggest using. Shop our vast selection and save! Release agent was also applied to the barrel, the attaching screws, and in the scope-base-screw holes.