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NIGHTFORCE XTRM 30mm Top Half of Ring with Bubble Level - 4 or 6 Screw Versions - Available with Angle Degree Indicator Mount

4.8 4.8 out of 5 stars 57 ratings

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4 Screw

Purchase options and add-ons

Brand Nightforce
Color Black
Style 4 Screw
Sport Hunting
Compatible Devices Handgun
Mounting Type Integral Mount
Night vision Yes

About this item

  • TOP RING WITH LEVEL - This XTRM Top Half of Ring With Level replaces the top ring of 30mm Unimount, Direct Mount, Magmount and Ultralite rings and NightForce's 30mm steel rings
  • INTEGRATED BUBBLE LEVEL - Integrated bubble level allows to level your gun for maximum accuracy that is necessary for precise shooting
  • OPTIONS - Available with integral Angle Degree Indicator mount or as top ring with bubble level only; Available in both four-screw and six-screw versions
  • NOTE - Clean all mating surfaces thoroughly before mounting; Use a torque wrench and do not exceed recommended torque values: Cap Screws - 25 in lb, MultiMount Rail Screws - 25 in lb
  • NIGHTFORCE - Since 1992, Nightforce has been creating the finest scopes that are used by professionals, hunters, and competitors; NightForce also provides a wide range of high-quality optics accessories

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From the manufacturer

hunting scopes

RUGGED. RELIABLE. REPEATABLE. NEVER COMPROMISING QUALITY

There is no such thing as “mass production” at Nightforce. Only a skilled human eye and experienced hands are sensitive enough to perform many of the critical operations involved in assembling a precision optical instrument. Before they leave the factory, Nightforce scopes are subjected to conditions far beyond most anything you will ever encounter in the field. During our impact tests, scopes must endure repeated impacts of over 1200 Gs of force on multiple axes. After each severe impact, the scope is hand-checked for tracking accuracy and overall integrity. We rigorously test and inspect to ensure your Nightforce will work when you need it most.

NIGHTFORCE TOP HALF RING ACCESSORIES

RAP

Ruggedized Accessory Platform (RAP)

Our X-Treme Duty rings and bases are known for their ability to withstand a lifetime of use on large-caliber guns. Our configurable ring top accessories build on this reputation by offering rugged accessory mounts for the additional equipment you need to augment your scope.

The Ruggedized Accessory Platform (RAP) provides 4 inches of rail space above your scope for mounting accessories. The RAP is built to withstand heavy recoil and maintain the zero of mounted accessories. While the RAP is frequently used for gun-mounted rangefinders, it can also be used to mount levels, data boards, and other devices for guns with limited rail space.

The RAP is designed to fit the four-scre.w and six-scre.w X-Treme Duty rings and Unimounts.

top half ring

Top Ring Bubble Level

Replaces the top ring of our 30mm and 34mm Unimount, Direct Mount, Magmount and Ultralite rings and our 30mm steel rings.

Available with integral Angle Degree Indicator mount or as top ring/bubble level only.

The Bubble Level with integral ADI mount can be turned either way for left- or right-handed actions. The ADI itself must be ordered separately for left-handed (A119) or right-handed (A122) actions to ensure accurate readouts.

RAP top half ring 30mm top half ring 34mm
XTRM Duty Ruggedized Accessory Platform XTRM Duty 30mm Top Half of Ring with Bubble Level XTRM Duty 34mm Top Half of Ring with Bubble Level
Customer Reviews
5.0 out of 5 stars
2
4.8 out of 5 stars
57
4.7 out of 5 stars
19
Rings 30mm 30mm 34
Scre.ws 6 4/6 4/6
Features Replaces Top Half of 4 and 6 Scre.w Rings and Mounts Available with ADI Mount Available with ADI Mount

Product Description

NightForce X-Treme Duty 30mm Top Ring Bubble Level This top half of ring replaces the top ring of our 30mm Unimount, Direct Mount, Magmount and Ultralite rings and our 30mm steel rings. Available with integral Angle Degree Indicator mount or as top ring/bubble level only. Available in both four-screw and six-screw versions. The Bubble Level with integral ADI mount (A129) can be turned either way for left- or right-handed actions. NOTE - Clean all mating surfaces thoroughly before mounting; Use a torque wrench and do not exceed recommended torque values: Cap Screws - 25 in lb, MultiMount Rail Screws - 25 in lb. Since 1992, Nightforce has been creating the finest scopes that are used by professionals, hunters, and competitors. NightForce also provides a wide range of high-quality optics accessories

Product information

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NIGHTFORCE

NIGHTFORCE XTRM 30mm Top Half of Ring with Bubble Level - 4 or 6 Screw Versions - Available with Angle Degree Indicator Mount


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Customer reviews

4.8 out of 5 stars
4.8 out of 5
57 global ratings

Customers say

Customers like the fit and quality of the level. For example, they mention it fits well and is a useful addition to your rifle.

AI-generated from the text of customer reviews

3 customers mention3 positive0 negative

Customers are satisfied with the fit of the level. They mention that it fits well and is a perfect fit.

"Perfect fit- great location for a level bubble.I have the vortex ones on other guns, but this one is far the best" Read more

"Fits well" Read more

"Great level and flawless fit on NightForce rings! Awesome NightForce quality...love it!" Read more

3 customers mention3 positive0 negative

Customers are satisfied with the quality of the level. They mention that it is a nice product and a useful addition to your rifle.

"Nightforce is higher end stuff but never disappoints. Very useful ad on to your rifle." Read more

"Nice product..." Read more

"Great item, correctly pictured...." Read more

Nice product
5 Stars
Nice product
I’m eager to see this project induct in action. I feel like it will help me make good choices
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Top reviews from the United States

Reviewed in the United States on January 31, 2024
Style: 6 ScrewVerified Purchase
Customer image
5.0 out of 5 stars Nice product
Reviewed in the United States on January 31, 2024
I’m eager to see this project induct in action. I feel like it will help me make good choices
Images in this review
Customer image
Customer image
Reviewed in the United States on October 28, 2015
Style: 4 ScrewVerified Purchase
Customer image
5.0 out of 5 stars Great item, correctly pictured.
Reviewed in the United States on October 28, 2015
The level is very well made and is easy to install in place of the previous top half of the ring. I've used mine for just short of two months now with about 500 rounds downrange, and it's worked as advertised, with no breakage and no tendency for the bubble to split into multiple bubbles.

I was concerned that it may be difficult to see with middle aged eyes when mounted on the rear ring (and it would be hard to see if mounted on the front ring with the elevation turret in front of the level). However that has not been the case. It's easy to look up slightly and ensure the bubble is centered when setting up the shot. the level is blurred slightly with my middle age accommodation issues, but the lines are still visible and it's obvious whether the bubble is centered or not. That's a good thing as this design is much less exposed than a level that is offset to one side of the scope (but could be mounted forward of the turret). Envisioning a line between the rear of the eyepiece and the top of the turret makes it clear that dropping the rifle in a manner that would succeed in breaking the level, would create far greater problems for you than a broken sight glass in the level.

If you want to get full utility out of it, care needs to taken to ensure that the ring half/bubble level is mounted so that it is level when the crosshairs are level. If you've already properly leveled the scope in the rings, you just need to verify the ring half is level when the vertical crosshair is parallel to a plumb line suspended far enough in front of the scope to see at low magnification, and snug the screws up for the ring half while maintaining a centered bubble. If not, you'll want to level the rifle, and then while maintaining a level rifle, level the scope in the rings with the plumb line and snug up the front ring to secure the scope in place, before leveling the rear ring half with the level and snugging it up as well. Then torque all 8 ring screws evenly and recheck that everything is level. This presumes a high quality scope where the reticle and scope adjustments are in alignment with each other.

If there is a downside it's in the $78 purchase price for a bubble level ring half. But then if you're buying one you've already ponied up $150 or more for a set of Nightforce rings and should be used to the NF sticker shock by now.

As for some of the negative reviews:
I noted that the level pictured was the one with the angle indicator mount, not the basic model that was discussed in the text. Consequently, I was able to correctly determine I was ordering the basic model that I wanted. I guess that illustrates the value of actually reading the description to overcome a mistake by the person posting the picture on the website. To be fair to both sides, the incorrect picture was confusing, and the picture on the website is now correct, showing the basic bubble level with no angle indicator or mount for the angle indictor. In any case, the picture now matches the item and less actual reading is required. None of that should however reflect negatively on what is an excellent item.
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11 people found this helpful
Report
Reviewed in the United States on March 13, 2021
Style: 4 ScrewVerified Purchase
Reviewed in the United States on May 30, 2022
Style: 6 ScrewVerified Purchase
Reviewed in the United States on October 23, 2018
Style: 4 ScrewVerified Purchase
Reviewed in the United States on July 20, 2019
Style: 6 ScrewVerified Purchase
Reviewed in the United States on June 4, 2015
Style: 4 ScrewVerified Purchase
Reviewed in the United States on March 18, 2015
Style: 4 Screw + ADI MountVerified Purchase