---
product_id: 491124332
title: "Scope Boresighter Kit"
brand: "cosmoing"
price: "€ 89.37"
currency: EUR
in_stock: true
category: "Cosmoing"
url: https://www.desertcart.be/products/491124332-scope-boresighter-kit
store_origin: BE
region: Belgium
---

# Precision alignment from .177 to .50 cal Compact leather holster included Adjustable arbor for versatile fit Scope Boresighter Kit

**Brand:** cosmoing
**Price:** € 89.37
**Availability:** ✅ In Stock

## Summary

> 🎯 Sight it right, every time—no shots wasted, just pure precision.

## Quick Answers

- **What is this?** Scope Boresighter Kit by cosmoing
- **How much does it cost?** € 89.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/491124332-scope-boresighter-kit)

## Best For

- cosmoing enthusiasts

## Why This Product

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

## Key Features

- • **Zero-Waste Sighting:** Align your scope without firing a single bullet—save ammo and time.
- • **Quick Setup Workflow:** Simple 5-step process gets your scope sighted in under 5 minutes.
- • **Precision Grid System:** 20x20 grid with 16 studs ensures pinpoint reticle alignment every time.
- • **All-in-One Portability:** Comes with a durable hard case and leather holster for on-the-go pros.
- • **Caliber Coverage Mastery:** Supports 14 calibers from .177 to .50 for ultimate versatility.

## Overview

The COSMOING Scope Boresighter Kit is a precision optical tool designed for both handguns and rifles, compatible with calibers ranging from .177 to .50. Featuring an adjustable arbor system, a 20x20 grid reticle, and 16 alignment studs, it enables fast, ammo-free scope sighting indoors or outdoors. Packaged with a leather holster and hard case, this metal-built kit streamlines zeroing your firearm with professional accuracy and portability.

## Description

desertcart.com : COSMOING Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors : Sports & Outdoors

## Features

- Indoor or outdoor without shooting a single bullet. Bore Sighter Kit with Adjustable Arbor.
- Arbors including for .177, .22, 6mm, .25, 6.5mm, .27, 7mm, .30, .32, .338, .35, .375, .44, .45, .50. All packaged in a leather holster.
- Boresighter makes sighting in guns much easier by aligning the scope's reticle with the barrel. The boresighter will help you get on paper without wasting shots.
- All in One Kit: Works for handguns and rifles. 30mm Collimator,20*20 grids; 16 Studs and Carrying hard case included.
- Use Steps: 1）Select the appropriate bore arbor and insert the notched. 2）Hand tighten the screw to attach firmly the boresighter. 3）Insert the other end of the stud into the muzzle. 4）Rotate the boresighter until the grid lines match vertically. 5）Adjust the windage and elevation dials of scope so the reticle inside of both of these is equal.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09X2LY9WC |
| Best Sellers Rank | #79,956 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #116 in Hunting Boresighters |
| Brand Name | COSMOING |
| Color | Black |
| Compatible Devices | Handgun, Rifle |
| Customer Reviews | 4.0 4.0 out of 5 stars (79) |
| Item Highlight | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors |
| Magnification Minimum | 20 x |
| Manufacturer | COSMOING |
| Manufacturer Part Number | BS005.us |
| Material Type | Metal |
| Mounting Type | Picatinny Mount |
| Product Style | Traditional |
| Sport Type | Hunting |
| UPC | 751717204990 |

## Product Details

- **Brand:** COSMOING
- **Color:** Black
- **Compatible Devices:** Handgun, Rifle
- **Item Highlight:** From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors
- **Magnification Minimum:** 20 x
- **Manufacturer:** COSMOING
- **Material:** Metal
- **Mounting Type:** Picatinny Mount
- **Sport:** Hunting
- **Style:** Traditional

## Images

![Scope Boresighter Kit - Image 1](https://m.media-amazon.com/images/I/81m0u5xew7L.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.be/products/491124332-scope-boresighter-kit](https://www.desertcart.be/products/491124332-scope-boresighter-kit)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-21*