Ruger 90287 6K30 Scope Ring 30mm Extra High Stainless Silver

Description

The Ruger 90287 6K30 is a genuine Ruger factory scope ring built for rifles that use Ruger's proprietary integral scope mounting system, such as the M77 Hawkeye and other Ruger models with machined receiver mounts. Designed for scopes with a 30mm main tube, this extra high (#6) ring provides the clearance needed for large objective lenses up to 62mm in diameter — ideal for high-magnification hunting and target optics that simply will not fit under lower ring heights.

Constructed from stainless steel with a silver/satin finish, the 6K30 is a natural visual match for stainless Ruger rifles and is built to shrug off heavy recoil from magnum chamberings. Because it clamps directly to the receiver's integral dovetails, there is no separate base to work loose, helping your scope hold zero shot after shot. Owners consistently note the solid factory fit and finish, with the ring matching original equipment exactly.

This ring is sold individually, which is a real advantage on Ruger rifles. Many Ruger receivers have a sloped profile that requires two different ring heights — for example, pairing a 5K30 high ring up front with this 6K30 extra high ring at the rear. Buying single rings lets you mix heights precisely instead of being stuck with a one-size set. Consult Ruger's official scope ring chart to confirm the correct front/rear pairing for your specific rifle and objective size.

In Ruger's naming system, the "6" denotes extra high height, "K" indicates stainless construction, and "30" identifies the 30mm tube diameter. The 6K30 is the right choice for stainless-rifle owners running 30mm-tube scopes with oversized objectives, shooters replacing a lost or damaged factory ring, or anyone who wants the security of an OEM steel ring over aftermarket alternatives. UPC: 736676902873.

Frequently Asked Questions

Does the Ruger 90287 come as a pair or a single ring?

This is a single ring, sold individually. Many Ruger rifles have a sloped receiver that requires two different ring heights, so Ruger sells rings one at a time. A common pairing is a 5K30 high ring in front with this 6K30 extra high ring at the rear — check Ruger's scope ring chart for your exact rifle.

What size scope does the 6K30 ring fit?

The 6K30 is made for scopes with a 30mm main tube diameter. Its extra high profile provides clearance for objective lenses up to 62mm, making it suitable for large hunting and target optics. If your scope has a 1-inch tube, you'll need a 6K or other 1-inch Ruger ring instead.

Which rifles is this scope ring compatible with?

It fits Ruger rifles that use Ruger's integral scope mounting system machined into the receiver, such as the M77 Hawkeye family. It clamps directly to the receiver dovetails, so no separate base is required. It is not a Weaver or Picatinny-style ring and won't fit rifles without Ruger's integral mounts.

What does the 6K30 designation mean?

Ruger's ring codes describe height, material, and tube size. The "6" means extra high (the tallest standard height, with 3 being low), "K" means stainless steel, and "30" means it fits a 30mm scope tube. The silver/satin finish matches stainless Ruger rifles.

Will this ring hold zero under magnum recoil?

Yes. It's a genuine Ruger factory steel ring that clamps directly to the receiver's integral mounts, eliminating the separate base that can loosen on other systems. Owners report mounting scopes securely on hard-kicking calibers like 7mm Magnum with no shift in zero.