--- product_id: 731079755 title: "COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor" brand: "cosmoing" price: "€ 21.58" currency: EUR in_stock: false url: https://www.desertcart.de/products/731079755-cosmoing-scope-bore-sighter-kit-177-to-50-caliber-precision store_origin: DE region: Germany --- # Compact all-in-one kit with leather holster & hard case Precision alignment across .177 to .50 calibers Adjustable arbor with 16 studs for perfect fit COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor **Brand:** cosmoing **Price:** € 21.58 **Availability:** ❌ Out of Stock ## Summary > 🎯 Zero in like a pro—never miss your mark again! ## Quick Answers - **What is this?** COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor by cosmoing - **How much does it cost?** € 21.58 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/731079755-cosmoing-scope-bore-sighter-kit-177-to-50-caliber-precision) ## 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 - • **Premium Portability:** Leather holster and hard case combo ensures your gear stays protected and ready for any hunt. - • **Save Ammo, Save Time:** Achieve perfect scope zeroing without firing a single bullet—eco-friendly and cost-effective. - • **Adjustable Arbor System:** Custom-fit your bore sighter with 16 precision studs for flawless barrel alignment. - • **All-in-One Professional Kit:** Includes 30mm collimator, 20x20 grid, and durable carrying case for on-the-go accuracy. - • **Universal Caliber Compatibility:** Seamlessly aligns scopes from .177 to .50 caliber firearms, eliminating guesswork. ## Overview The COSMOING Scope Bore Sighter Kit is a precision alignment tool designed for calibers ranging from .177 to .50. Featuring an adjustable arbor system with 16 studs, it fits both pistols and rifles, enabling quick and accurate scope zeroing without live fire. The kit includes a 30mm collimator, 20x20 grid, leather holster, and hard carrying case, making it a comprehensive, portable solution for hunters and shooting enthusiasts aiming to save time, ammo, and improve accuracy. ## Description ## Features - No need to launch bullets indoors or outdoors. Bore Siter Kit with Adjustable Arbor - Includes .177, .22, 6mm, .25, 6.5mm, .27, 7mm, .30, .32, .338, .35, .375, .44, .45, .50 arbor All leather holster included - The Boresighter makes aiming in a gun much easier by aligning the scope reticle to the barrel. Bore Siter helps you get on paper without wasting shots - ALL IN ONE KIT: Fits pistols and rifles. Includes 30mm colimeter, 20x20 grid, 16 studs and carrying hard case - Instructions: 1) Select the proper bore arbor and insert the notch. 2) Tighten the screws by hand and firmly install the bore lighter. 3) Insert the other end of the stud into the mouth. 4) Rotate the bore citer until the grid line is vertical 5) Adjust the air volume and elevation dial of the scope, and the reticle on both inside are the same ## Technical Specifications | Specification | Value | |---------------|-------| | Color | Black | | Size | Basic Boresighter Kit | | Material | Metal | | Sport Type | Hunting | | Package Dimensions | 14.9 x 14.7 x 5.4 cm; 740 g | ## Product Details - **Brand:** COSMOING - **Color:** Black - **Sport:** Hunting - **Material:** Metal - **Magnification Minimum:** 20 x - **Compatible Devices:** Handgun, Rifle - **Mounting Type:** Picatinny Mount - **Night vision:** No - **Manufacturer:** COSMOING - **Reticle Type:** Cross Hair ## Images ![COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor - Image 1](https://m.media-amazon.com/images/I/81m0u5xew7L.jpg) ![COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor - Image 2](https://m.media-amazon.com/images/I/71PpUg05j+L.jpg) ![COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor - Image 3](https://m.media-amazon.com/images/I/615bZvgQp-L.jpg) ![COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor - Image 4](https://m.media-amazon.com/images/I/61EDrXn+kOL.jpg) ![COSMOING Scope Bore Sighter Kit .177 to .50 Caliber Precision Firearm Bore Sitting Kit with Arbor - 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.de/products/731079755-cosmoing-scope-bore-sighter-kit-177-to-50-caliber-precision](https://www.desertcart.de/products/731079755-cosmoing-scope-bore-sighter-kit-177-to-50-caliber-precision) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-04-24*