For shooters using the .308 Winchester and similar calibers, a bore sight laser can dramatically shorten the zeroing process and improve first-shot accuracy. The following hand-picked bore sights are designed to fit .308/243 calibers and provide quick, reliable alignment on the range. This guide compares features, battery life, construction quality, and ease of use to help you choose the best red dot bore sight for your rifle build.
| Product | Brand | Caliber Fit | Key Benefit |
|---|---|---|---|
| EZshoot 243 308 Bore Sight Laser | EZshoot | .243 / .308 | High accuracy with extra batteries |
| MidTen .243 308 Bore Sight | MidTen | 308 / 243 | Brass construction and fast zeroing |
| ARKSight BoreSighter | ARKSight | 223 / 9mm / 243 / 308 / 7mm-08 | Versatile kit with multiple boresights |
| EZshoot 243 308 Laser Bore Sight (3 Batteries) | EZshoot | .243 / .308 | Additional battery life for extended sessions |
| MidTen .243 308 Bore Sight Laser (6 Batteries) | MidTen | 243 / 308 | Six batteries for longer use |
These products span a range of calibers and build qualities, giving you solid options whether you’re prepping for hunting, competition, or range work. Below is a closer look at five top choices that align with 308 and related calibers, focusing on accuracy, durability, and ease of use.
EZshoot 243/308 Bore Sight Laser
The EZshoot bore sight laser is designed to fit both .243 and .308 Win chambers, delivering high-accuracy alignment that speeds up zeroing. It arrives with two sets of batteries (six total), empowering you to complete sighting work without frequent battery changes. Its chamber-size design makes it easy to drop into the bore and align with the muzzle. This model is packaged in a compact tin case for portability to the range and field.
MidTen .243 / 308 Bore Sight Red Dot
MidTen’s bore sight uses a Class IIIA laser (less than 5mW) and includes a single battery set (three AG3 cells) with about ninety minutes of operation. It’s designed for quick bore insertion, providing fast gun zeroing and precise alignment in a sturdy brass housing. This option emphasizes accuracy and durability, suitable for shooters who value consistent performance without frequent battery changes.
ARKSight BoreSighter Kit
ARKSight offers a versatile bore sight kit compatible with multiple calibers, including 223, 9mm, 243, 308, and 7mm-08Rem. The brass construction and reliable electronic components are designed for longevity, enabling fast gun zeroing and repetitive use. It’s an attractive option for shooters who work with several firearms and want a single, reliable bore sighting solution with broad applicability.
EZshoot 243/308 Laser Bore Sight (3 Batteries)
This EZshoot model is caliber-specific for .243 and .308, featuring Class IIIA laser output with less than 5mW. It includes three upgraded batteries to extend shooting sessions, reducing the need for frequent replacements. As a compact bore sighter, it remains easy to store and transport for field use while maintaining reliable alignment capabilities.
MidTen .243 / 308 Bore Sight (6 Batteries)
MidTen’s bore sight includes six batteries, designed for extended use during multiple calibers. It emphasizes a robust brass build and precise caliber-specific design for 243 and 308, ensuring alignment with the chamber and accurate zeroing. This option is well-suited for shooters who value long sessions between battery changes and a sturdy construction for field conditions.
Buying Guide
- Caliber specificity: Choose a bore sight that matches your primary rifles (.308, plus compatible .243 if you use it). Caliber-specific models avoid inconsistent alignment due to mismatched bore diameters.
- Power and battery life: Look for Class IIIA lasers (less than 5 mW) for safety and reliability. Battery life varies; options with multiple battery sets let you complete sighting without interruptions.
- Build quality: Brass or brass-plated housings tend to be durable and resist wear in the bore. A compact, portable design helps you transport the tool easily to the range or field.
- Ease of use: Fast installation, clear indicators, and minimal setup time matter for efficient zeroing at the range. Some models include quick-change batteries and protective cases.
- Safety: Avoid direct eye exposure to the beam and follow manufacturer cautions. Proper handling protects users and bystanders during bore sighting.
- Versatility: Some bore sights support multiple calibers or firearms types, which is beneficial for owners who maintain several rifles and handguns.
- Longevity: For frequent range use, choose a bore sight with robust construction and dependable electronic components to minimize maintenance or replacement.
In practice, the best option depends on your priorities: ultimate accuracy and speed (favor high-accuracy, multi-bore units with extra batteries), or versatile use across calibers and firearms (favor multi-caliber kits with sturdy brass construction). Always verify compatibility with your specific rifle, and follow safe handling guidelines during bore sighting.