--- product_id: 491124332 title: "Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors" brand: "cosmoing" price: "AR$158954" currency: ARS in_stock: true category: "Cosmoing" url: https://www.desertcart.com.ar/products/491124332-scope-boresighter-kit-from-177-to-50-caliber-precision-firearm store_origin: AR region: Argentina --- # Compact leather holster for on-the-go use Precision alignment from .177 to .50 caliber 16 adjustable arbors for versatile fit Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors **Brand:** cosmoing **Price:** AR$158954 **Availability:** ✅ In Stock ## Summary > 🎯 Lock in your shot before you pull the trigger – precision meets convenience! ## Quick Answers - **What is this?** Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors by cosmoing - **How much does it cost?** AR$158954 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/491124332-scope-boresighter-kit-from-177-to-50-caliber-precision-firearm) ## 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 - • **Effortless Zeroing:** Achieve perfect bore sighting indoors or outdoors without firing a single bullet. - • **Travel-Ready Design:** Packaged in a sleek leather holster, ready for any hunting or shooting adventure. - • **Precision Adjustment:** Fine-tune windage and elevation with easy-to-use dials for rapid target acquisition. - • **Complete All-in-One Kit:** Includes 30mm collimator, 20x20 grid, 16 studs, and a durable carrying case. - • **Universal Caliber Compatibility:** Seamlessly aligns scopes from .177 up to .50 caliber firearms. ## Overview The COSMOING Scope Boresighter Kit offers precision bore sighting for firearms ranging from .177 to .50 caliber. Featuring 16 adjustable arbors, a 30mm collimator with a 20x20 grid, and a rugged leather holster, this all-in-one kit enables quick, bullet-free scope alignment for both handguns and rifles. Perfect for hunters and shooting enthusiasts seeking efficient zeroing indoors or outdoors. ## 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 | #185,785 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #158 in Hunting Boresighters | | Brand Name | COSMOING | | Color | Black | | Compatible Devices | Handgun, Rifle | | Customer Reviews | 4.1 4.1 out of 5 stars (74) | | 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 - **Magnification Minimum:** 20 x - **Manufacturer:** COSMOING - **Material:** Metal - **Mounting Type:** Picatinny Mount - **Sport:** Hunting - **Style:** Traditional - **UPC:** 751717204990 ## Images ![Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors - Image 1](https://m.media-amazon.com/images/I/81m0u5xew7L.jpg) ![Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors - Image 2](https://m.media-amazon.com/images/I/71PpUg05j+L.jpg) ![Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors - Image 3](https://m.media-amazon.com/images/I/615bZvgQp-L.jpg) ![Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors - Image 4](https://m.media-amazon.com/images/I/61EDrXn+kOL.jpg) ![Scope Boresighter Kit | From .177 to .50 Caliber, Precision Firearm Bore Sighting, Optical Bore Sighter Kit with Arbors - Image 5](https://m.media-amazon.com/images/I/51bkvtkrl9L.jpg) ## Frequently Bought Together - COSMOING Scope Boresighter Kit from .177 to .50 Caliber Precision Firearm Bore Sighting Optical Bore Sighter Kit with Arbors - Pridefend Bubble Level, Scope Mounting Kit, Precision Scope Level Bubble Clip and Bubble Levels and Storage Case for Magnetic Universal Leveling Tool - Professional Laser Bore Sighting Kit： Green or Red Bore Sight with 50 Adapters - Multiple Caliber Bore Sighter Perfectly Choice for All Gun - .17 Cal to 12GA Rifle Pistol Boresighter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/491124332-scope-boresighter-kit-from-177-to-50-caliber-precision-firearm](https://www.desertcart.com.ar/products/491124332-scope-boresighter-kit-from-177-to-50-caliber-precision-firearm) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-07-26*