Daniel Defense - A1.5® Fixed Rear Sight (Rock & Lock®)

The Daniel Defense A1.5 Fixed Rear Sight is designed for tactical setups due to its lightweight and streamlined construction. Made from 6061 aircraft-grade aluminum with a hard coat anodized finish, it offers durability without adding unnecessary weight. Its compact one-piece design ensures it doesn't interfere with other tactical gear, such as optics or charging handles, making it an ideal backup sight for reflex optics users. This sight's secure attachment system ensures stability during rigorous use, a critical feature in tactical scenarios.

Installing the A1.5 Fixed Rear Sight on an M4-type rifle is straightforward due to its one-piece construction. It mounts securely to any Military Specification flattop upper receiver using a slotted fastener and a self-locking steel thread insert. This ensures a stable and reliable attachment, crucial for maintaining accuracy and consistency in shooting. The design allows for easy installation without the need for specialized tools, making it accessible for most users.

Yes, the A1.5 Fixed Rear Sight is specifically designed to complement reflex optics. Its low-profile design ensures it does not obstruct the view through your primary optic. This makes it an excellent backup option, providing reliability in case your primary optic fails. The sight's compatibility with a wide range of optics is a significant advantage for shooters who require flexibility in their tactical setups.

The durability of the Daniel Defense A1.5 Fixed Rear Sight is ensured by its construction from 6061 aircraft-grade aluminum. This material is known for its strength-to-weight ratio, providing robustness without added bulk. Additionally, the hard coat anodized finish offers superior corrosion resistance, making it suitable for use in various environmental conditions. These features make the sight a reliable choice for both tactical and recreational shooting.

The design of the A1.5 Fixed Rear Sight ensures unobstructed access to the charging handle. This is particularly important for M4-style rifles where quick and easy access to the charging handle is necessary for efficient operation. The sight's low-profile and streamlined design prevent any interference, allowing for smooth and rapid manipulation of the rifle's charging handle during tactical operations.

Maintaining the Daniel Defense A1.5 Fixed Rear Sight requires minimal effort due to its robust construction. Regularly inspect the sight for any signs of wear or damage, particularly after extensive use. Ensure that the fastener and thread insert remain secure to maintain accuracy. Cleaning the sight with a soft cloth and mild cleaner will help preserve its finish and functionality. Avoid harsh chemicals that could degrade the anodized coating.

The A1.5 Fixed Rear Sight is particularly beneficial in scenarios where reliability and quick target acquisition are crucial. This includes tactical and defensive situations where primary optics may fail or be unsuitable. Its fixed design provides a constant point of reference, ensuring that you can maintain accuracy even in high-pressure environments. Additionally, its compatibility with various optics makes it versatile for different shooting applications.

The A1.5 Fixed Rear Sight integrates seamlessly with other Daniel Defense products, such as their upper receivers and rail systems. This integration is facilitated by the uniformity in design and specifications across Daniel Defense's product line. Using compatible components ensures optimal performance and reliability, providing a cohesive setup for shooters who prioritize consistency and quality in their tactical gear. To explore more compatible options, visit our Daniel Defense collection.

Weighing only 1.7 ounces, the A1.5 Fixed Rear Sight adds minimal weight to your rifle setup. This is a significant advantage for shooters who need to maintain agility and reduce fatigue during extended use. The lightweight nature of the sight ensures that it does not compromise the balance or handling of the rifle, making it an optimal choice for both tactical and recreational applications where weight is a critical factor.

The A1.5 Fixed Rear Sight contributes to shooting accuracy by providing a reliable and consistent sight picture. Its fixed design eliminates the potential for mechanical failure that can occur with adjustable sights. This stability is crucial for maintaining accuracy, especially in high-stress situations where rapid target acquisition is necessary. The sight's compatibility with reflex optics further enhances accuracy by allowing shooters to quickly transition between sighting systems as needed.