BuyMoreGuns
Optics 06 / Mounting

Mounts & rings

The cheapest part of the optical system and the one most likely to be blamed on the scope when it fails.

Types Rings · one-piece · cantileverCant 0 / 20 / 30 MOATorque Ring & base specs differClass $40 – 400
How we make money. Links to Ammunition Depot on this page are affiliate links. If you buy through one, we earn a commission at no extra cost to you. We quote price classes, not live prices — check the retailer for the current figure and stock. Firearms ship to a licensed FFL where required; you are responsible for federal, state and local law.

If your scope 'won't hold zero', the mount is a more likely culprit than the scope. Rings under-torqued, bases over-torqued into stripped receiver threads, and ring height that forces a bad cheek weld cause more accuracy complaints than optics do.

Buying checklist

What actually matters

  • Ring height: as low as the objective allows. Lower is better for cheek weld and for minimising the mechanical offset between bore and sight line. Set the height by objective bell clearance over the barrel, not by habit.
  • Cantilever mounts exist for AR-pattern geometry. A flat-top AR pushes the optic further back than a bolt gun does. A cantilever mount moves the rings forward to restore correct eye relief. Buying a non-cantilever mount for an AR usually means the scope ends up too close to your eye.
  • MOA-canted bases buy elevation travel. A 20 or 30 MOA base tilts the scope down relative to the bore so more of the erector's travel is available for elevation. If you are dialling past 800 yards and running out of adjustment, this is the fix — but you may not be able to zero at 100 with too much cant on a short-range setup.
  • Use an inch-pound torque driver. Ring cap screws and base screws have different specs, often 15–18 in-lb and 25–65 in-lb respectively. Guessing crushes tubes or lets bases walk.
  • Lap or don't, but be consistent. Ring lapping improves contact area on lower-tolerance rings. Premium precision-machined rings generally do not need it and may be harmed by it. Follow the maker's guidance.
Catalog

Shop the category

We list individual products here only once we have confirmed them in the retailer's live catalog. Until then, this goes straight to the full mounts & rings category so you can filter on the specs above yourself.

Browse all optics
Keep reading

Other gear guides

Rifle scopes

Glass is the one component that reliably outlives the rifle underneath it. Here is what the spec sheet is actu…

Thermal optics

Thermal is the category where the spec sheet lies most often, because manufacturers quote detection range agai…

Red dot sights

The fastest sighting system ever put on a gun, and the one where mounting footprint compatibility causes more …

Laser rangefinders

Every rangefinder box quotes a headline number measured off a highway sign. The number you care about is the o…

Binoculars

The optic you will actually look through most. Most hunters would be better served spending more here and less…

Gun safes

Most residential gun safes are certified against a five-minute attack with hand tools. Knowing that changes wh…

Lockboxes

Three different jobs — flying, securing in a vehicle, and fast bedside access — with three genuinely different…

Ammo storage

Modern smokeless ammunition stored cool, dry and sealed lasts decades. Stored in a humid garage in a cardboard…

Range bags

Ammunition is dense. A bag that felt fine empty in a store is a different object with five hundred rounds of 9…

Hearing protection

Noise-induced hearing loss is cumulative and permanent. This is the least glamorous and most consequential pur…

Eye protection

Ordinary sunglasses are not eye protection. The standard printed on the frame is the entire point of the purch…

Shooting gloves

A glove that improves your grip and ruins your trigger feel is a net loss. The trade-off lives almost entirely…