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They are not the quality that the old Redfield rings were, but they do the job. Wish that gloss finish would have been offered.

This will NOT fit 9mm US dovetail, also known as 3/8"This is an 11mm European Dovetail groove only! Will not go narrower than 10mm.Description and Q&A are inaccurate!And IT IS NOT MADE ACCURATELY!I have included description of the two standards and images of measurements of both a 3/8 dovetail and the Inside Diameter of these rings mount.Again:Get it together and have more accurate descriptions.Let me try to clear this up.3/8” is a type of dovetail mount that is very common.3/8” = 9.525 mmThis Burris scope mount fully tightened is approx 10.6mmThat is larger than the dovetail groove of 9.5 mm.It WILL NOT FIT 9mm dovetail or 3/8”.There are two main dovetail standards:European Standard = 11mmUS Standard = 3/8” = 9.525 mmThese scope rings are dovetail 11mm standards.They will fit 11mm grooves, but NOT 9mm groves.Look at the digital caliper measurement in mm.This one clamps down to about 10.73mm.If the angle of the mount clamp is well made, it can achieve appox 9.3-9.5mm at smallest point.This one stops at 10.73....only slightly smaller than 11mm.It will hold, but it is using a larger angle to clamp mostly on the top of the mount groove....not fit along the entire groove angle. POOR DESIGN for an expensive product from a quality brand.For US dovetail 3/8" look for something smaller than 10mm. And optimally close to 9.5mm. This way you are not at the end of the range for the groove inside measurement.In other words....this will work on some 11mm European mounts, but could be made better. It will not work on 9mm mounts in other words 3/8" in most cases. And if it does....it will not have a good contact.Hope it helps.

I ordered these rings because the info provided by Amazon said they were made in the U.S.A. Unfortunately, that isn’t true. They are made in China. They seem to be well-built and fit just fine, but I wish the Origin of Manufacture was correct. I don’t know if there are similar products made in the U.S., but I would have looked further if the info in the listing was correct.

These are tough good looking ring mounts for a 22 rimfire rifle that has a 11mm or 3/8 grooved receiver for mounting a scope. I used this pair on a anschutz 17 HMR bolt action. They are solid steel and have a nice finish and hold the scope perfectly parallel with the receiver. The only negative is the mildly curved contour between the bottom tabs that fit into the grooves often touches the top of the curved receiver. This requires a little metal removal, otherwise a solid lockup that is repeatable if the scope/rings are removed and replaced is not possible. I wish Burris would remove a little more metal in that area, even it it exposes the screw that clamps the ring mount to the rifle. I have had to do this on other similar Burris ring mounts for other rimfire rifles (Winchester 63 and Kimber 82) to allow a proper fit in the clamping groove without touching the top of the receiver. If the receiver has a larger diameter like the Anschutz 22 Hornet they fit perfectly without modifications because the bottom of the mount clears the top of the receiver by a few thousandths.

Edit:After speaking with Burris the set I received should have come with alternative clamps and most likely I received a repackaged item/not a new item but was sold as new. Burris customer support 100%. I may try to buy another set because they were better quality than the Weavers I bought instead but am afraid they’ll just try to sell me the ones I returned again. 😡The product itself is great but I will be returning them since they are not being sold accurately. These come with one set of clamps which are 11mm not 3/8” as described. Buyer beware.

I mounted a Burris Full view scope to my .22lr. They fit well and I was able to mount the scope trouble free.

Fit my Remington Field master 572 perfectly tightened top turret screws to 30 inch lbs tightened base to fifty inch lbs. sixty seemed a bit much.

Fit my marlin Glenfield model 10 like a glove. This rifle has the milled dovetail in the receiver.I tried the lower mounts but clearance for the simmons mag 22 was an issue.Perfect lowest possible fit with these rings.Just enough clearance to pull the bolt back and out for proper cleaning.They are made in China but are quality fit and finish steel.