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Brownells

Scope Ring Alignment Lap - 1'''' Scope Ring Alignment Lap

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Trues Aligns

Scope rings to help prevent

Removes High

Spots to quickly true misaligned

Also Works

For turn-in and rough alignment

Dual Handles

Transverse lapping compound grooves provide

Includes Lapping

Compound, two plastic handles, and

$56.82
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SKU: 080903100

Overview

This alignment lap is designed to help true and align scope rings before mounting, reducing the chance of damaging a scope tube from misaligned or out-of-round rings. It also serves for turning in and rough aligning rotary dovetail rings, making it a practical bench tool for careful optic installation. Dual handles and transverse lapping compound grooves provide controlled use, and lapping compound is included. For hunters and shooters who want a more precise ring fit during setup, it offers a straightforward way to address fit issues before heading into the field.

Why Hunters Choose the Brownells

Helps True

Align scope rings for a

Designed Reduce

Risk of dinged or damaged

Works Misaligned

Out-of-round scope rings

Also Turns

In and rough aligns rotary

Dual Handles

Transverse grooves provide controlled lapping

Key Features

  • Trues and aligns scope rings to help prevent dinged and damaged scope tubes.
  • Removes high spots to quickly true misaligned or out-of-round scope rings.
  • Also works for turn-in and rough alignment of rotary dovetail rings.
  • Dual handles and transverse lapping compound grooves provide control during use.
  • Includes lapping compound, two plastic handles, and instructions.
  • Brownells tool with mild steel construction in the white.

Best Used For

  • Hunters mounting optics who want to true misaligned 1-inch scope rings before final setup
  • Users working with rotary dovetail rings that need turn-in and rough alignment
  • Gunsmiths or careful DIY shooters aiming to reduce the risk of dinged scope tubes
  • Anyone who prefers controlled, hands-on ring lapping with included compound and instructions

Specifications

Diameter1" (2.5cm) or 30mm (1.187")
Handle MaterialPlastic
Includes(2) plastic handles, instructions, lapping compound
Length12" (30cm)
MaterialMild steel, in-the-white

Pros

  • Helps true and align scope rings for a proper fit
  • Designed to reduce the risk of dinged or damaged scope tubes
  • Works on misaligned or out-of-round scope rings
  • Also turns in and rough aligns rotary dovetail rings
  • Dual handles and transverse grooves provide controlled lapping
  • Includes lapping compound, handles, and instructions

Considerations & Trade-offs

  • Designed for 1" and 30mm rings, so it is not a universal fit for every scope ring size.
  • It is a hand tool that requires time and careful setup; results depend on the user’s alignment work rather than a quick drop-in fix.
  • The tool is supplied in the white and is made of mild steel, so it is a shop-use accessory rather than a finished, coated component.
  • Lapping compound is included, but the process still involves removing material from the rings, so it should be used only when true alignment is needed.

Suggested Comparisons

  • Scope ring lapping tools
  • Scope mounting kits
  • Scope rings
  • Optics installation accessories

Suggested Accessories

  • Lapping compound
  • Scope rings
  • Scope mounting tools
  • Torque driver

Frequently Asked Questions

What is this scope ring alignment lap used for?

It is used to true and align scope rings by removing high spots, helping prevent dinged or damaged scope tubes. It is also described as working to turn-in and rough align rotary dovetail rings.

What size rings does it fit?

The product is listed as a 1" scope ring alignment lap, and the specifications also note 1" (2.5 cm) or 30 mm (1.187") diameter.

Does it come with lapping compound?

Yes. The long description states that lapping compound is included.

What is included with the tool?

The listed contents are the lap itself, two plastic handles, instructions, and lapping compound.

What material is the lap made from?

The specifications list it as mild steel, in-the-white.