Butler CreekMultiflex

Fits primary arms 4-14x44 perfectly, snug, flawless. Excellent construction and keeps my objective dust free. Other reviews that said to get the smaller size (16-18) for this scope and I wasted time/money. The size chart included is accurate, I should have never doubted it and got the recommended size the first time.

This will fit the ocular lens on the EFR scopes. I say "scope" because there has been a change somewhere along the line. One has metal turret covers and the other plastic. The ocular on the plastic capped scope is slightly smaller in dia. than the other one. It still fits fine - an goes on easier. The optics and clicks are identical on these scopes. I have three right now. Butler Creek 21920 Multiflex Flip-Open Scope Cover Eyepiece, 19-20 Use this for the objective lens: #30 1.960"

Maybe I had a rare positive experience but, honestly all of my Butler Creek caps have fit perfectly. Granted, I do measure the scope personally before I order. Have purchased four caps now, both the standards for a prism optic and these multiflex for an old BSA Radiant scope that came with a bolt action I bought and that I could not find any information about. Both pairs of Butler Creeks have fit flawlessly, no falling off or caps staying open. Everything works as advertised with my units. Very nice.

I have used these scope covers for years. In fact, I have a set that is 26 years old and have been through it and still are in excellent shape. The ones that I have purchased within the last 10 years do not seem to be as durable as the ones previously mentioned, but still is a great product and about every 2 years I will have to replace. I will always use them, but I wish Butler Creek would find a stronger and more durable product to make them out of.

Good fit and works well

The best cover for the money. They last forever as lang as you aren't stupid with them.

This is an honest review of this item, which I purchased full price on Amazon.com: I was looking for an affordable and quick opening replacement cover for my hunting rifle. I have always heard that the Butler Creek covers are the only way to go, now I'm a believer! I will never again settle for the covers that come with some optics, they are obviously worthless. These covers seem to be built well and open EXTREMELY quick! They wont keep the water out but they will keep your glass from getting scratched up! Make sure you get the right size, its extremely important! If any issues come up with mine over the hunting season and in the future I will update this review. If you want the best optic cover in the biz...buy Butler Creek!

ok so my scope called for a 31, and the manufacture gave this part number as being the right size for fitting, it fits too small, and I should have gone with a 32. What I found is it fits so tight that the flip on the end will not stay snapped in place, I know this is not a design flaw it was bad information provided to me by the manufacture of my scope. I have multiple scopes with the on them and never have I had any issues with them.

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Todo correcto....

I’ve used them for years and the newer flex covers offer a greater range of fit. Great product with super fast shipping.

I ordered these for 1 different scopes that I own. They fit and work well which will make the 2022 season more enjoyable. The cost of them, as it turns out, was quite high. They were available in a local store for under $15 each, not the $25 I paid through Amazon.

Fits a wider range of scope diameters than the originals. I would never hunt without them. Not silent opening but quiet enough. A quality product that will last a lifetime.