---
product_id: 30123590
title: "True Bore ADI ACI Angle Degree Indicator Angle Cosine Indicator Set Up Tool"
brand: "flatline-ops"
price: "€ 2.72"
currency: EUR
in_stock: false
reviews_count: 2
url: https://www.desertcart.pt/products/30123590-true-bore-adi-aci-angle-degree-indicator-angle-cosine-indicator
store_origin: PT
region: Portugal
---

# Compact 6x6x3 inch size for precision Lightweight at just 1.6 ounces High-strength polymer for durability True Bore ADI ACI Angle Degree Indicator Angle Cosine Indicator Set Up Tool

**Brand:** flatline-ops
**Price:** € 2.72
**Availability:** ❌ Out of Stock

## Summary

> 📐 Master every angle with precision and style!

## Quick Answers

- **What is this?** True Bore ADI ACI Angle Degree Indicator Angle Cosine Indicator Set Up Tool by flatline-ops
- **How much does it cost?** € 2.72 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/30123590-true-bore-adi-aci-angle-degree-indicator-angle-cosine-indicator)

## Best For

- flatline-ops enthusiasts

## Why This Product

- Trusted flatline-ops brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from high-strength polymer for rugged, long-term use
- • **Universal Fit:** Unisex design tailored for professional and DIY users alike
- • **Ready Out of the Box:** Includes clear instructions so you can start measuring angles instantly
- • **Precision in Your Palm:** Compact 6x6x3 inch design fits perfectly in your toolkit
- • **Featherlight Efficiency:** Weighs only 1.6 ounces, making it ultra-portable

## Overview

The True Bore ADI ACI Angle Degree Indicator is a compact, lightweight setup tool made from durable high-strength polymer. Designed for professionals and DIY enthusiasts, it offers precise angle and cosine measurements in a portable 6x6x3 inch form factor, complete with easy-to-follow instructions for immediate use.

## Description

MAKE ANGLE INDICATOR INSTALLATION A SNAPAttaching Angle Degree Indicators or Cosine Degree Indicators to your firearm is easy, but calibrating them to read correctly is more challenging.Attach the Flatline Ops TRUE BORE ADI/ACI Set-Up Tool to the tip of your barrel for quick and easy calibrating of your Indicators. Leveling the barrel becomes as easy as centering the bubble between the lines. Fits all barrels, any size.Speed and ease is what you get with this ultra-lightweight, space-age polymer level.

## Features

- Black, high-strength polymer construction
- Instructions included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 6 x 6 x 3 inches |
| Package Weight | 1.6 ounces |
| Item Dimensions  LxWxH | 6 x 6 x 3 inches |
| Item Weight | 1.6 ounces |
| Brand Name | Flatline-Ops |
| Model Name | TBSUT-1-149 |
| Color | Black |
| Material | High Strength Polymer |
| Suggested Users | unisex, mens |
| Number of Items | 1 |
| Manufacturer | Flatline-Ops |
| Part Number | TBSUT-1-149 |
| Model Year | 2023 |
| Size | Small |

## Images

![True Bore ADI ACI Angle Degree Indicator Angle Cosine Indicator Set Up Tool - Image 1](https://m.media-amazon.com/images/I/41NQqWSQcAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Four Stars
*by K***P on December 6, 2016*

Fast shipping as described

### ⭐⭐⭐⭐⭐ Haven't had a chance to use this yet but it ...
*by A***J on June 24, 2015*

Haven't had a chance to use this yet but it seems very well built, a bit pricey in my opinion since I'll only use it maybe a few times, but it greatly simplifies an important process when you are adding an ACI to a rifle

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**Shop now:** [https://www.desertcart.pt/products/30123590-true-bore-adi-aci-angle-degree-indicator-angle-cosine-indicator](https://www.desertcart.pt/products/30123590-true-bore-adi-aci-angle-degree-indicator-angle-cosine-indicator)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-30*