Choosing The Right Ring Screw Size For Your Sportsmatch Op25c Scope

The Sportsmatch OP25C is a one-piece double-screw rifle scope mount with a removable arrestor pin. It is designed for medium-range scopes with a 1 (25.4mm) diameter body tube and a front lens size of up to 45mm. The mount fits 9.5-11.5mm dovetails, which is the most common size for modern airguns and .22 rimfire rifles. The ring screws of the Sportsmatch OP25C have a thread diameter of 4mm, and the recommended torque for tightening these screws is 30 in/lbs.

Sportsmatch OP25C rifle scope rings fit rifles from many manufacturers

Sportsmatch is a UK-based manufacturer of quality rifle scope mounts and scope rings. It has been in the business for 50 years and is known in over 40 countries for its high-quality, British-made scope mounts and accessories. Its products are used by military special forces, professional vermin controllers, and competition shooters.

The Sportsmatch OP25C rifle scope rings are one-piece double screw mounts with a medium range suitable for 1" scope tubes. They fit lens diameters of up to 45mm without AO and are designed for 9.5-11.5mm dovetails, which is the most common size, suiting most modern airguns and .22 rimfire rifles. The OP25C rifle scope rings are compatible with a range of rifles from different manufacturers, including Air Arms, Anschutz, Browning, Remington, Walther, and many more.

The Sportsmatch OP25C rifle scope rings feature a double clamp design with four bolts on each cap for extra secure mounting. They include Easyfit or removable arrestor pins to prevent the scope from sliding off the back of the scope rail. The scope rings are made in England and are produced in collaboration with WULF Optics, coming in WULF Grey packaging.

Sportsmatch rifle scope rings are known for their high tensile construction and guarantee no loss of zero. They are precision-engineered to provide correct alignment and a dependable grip on your rifle and scope, optimising accuracy for shooters of all levels.

The ring screws are 4mm in thread diameter

The ring screws on the Sportsmatch OP25C rifle scope mounts are 4mm in thread diameter. This is an important specification to know when tightening the screws on your scope mount. The correct tightening of the screws is essential to ensure a solid hold between your rifle and scope.

To tighten the 4mm ring screws on your Sportsmatch OP25C scope mount, it is recommended to apply 30 in/lbs of torque. This specification can be used as a guide, but it is important to note that some heavy-recoiling rifles may require higher levels of torque to be applied to the dovetail clamp screws.

It is crucial to use the correct tool when tightening the screws. To avoid damaging the screws on your scope mount, only use the Allen key supplied or a suitable torque wrench. Do not use a different tool, as it may damage the screws.

By following these instructions and using the correct torque specification, you can ensure that your Sportsmatch OP25C scope mount is securely attached to your rifle, providing an accurate and dependable connection between your rifle and scope.

The mount is a one-piece double screw

The Sportsmatch OP25C is a one-piece double screw mount with a removable arrestor pin. It is a medium-range mount for 1" scope tubes, with a 9.5-11.5mm dovetail width and a 45mm objective lens diameter. The mount features a double clamp design with four bolts on each cap, providing an extra secure mounting for your rifle scope. The clamp design also ensures a solid hold between your rifle and scope, optimising accuracy by ensuring that your point of impact will not move.

The OP25C is suitable for most modern airguns and .22 rimfire rifles. It comes with Allen key bolts and includes Easyfit arrestor pins. The mount is produced in collaboration with WULF Optics and comes in WULF Grey packaging.

When fitting the OP25C, it is important to note that the ring screws should be tightened to a torque of 30 in/lbs for 4mm thread diameter or 15 in/lbs for 3mm thread diameter. To avoid damaging the screws, only use the Allen key supplied or a suitable torque wrench.

The Sportsmatch OP25C is a high-quality, British-made scope mount, used by competitive shooters, professional vermin controllers, and military special forces. It offers a solid and dependable grip on your rifle and scope, ensuring optimal accuracy for your shooting needs.

The base fitting is 9.5-11.5mm (38) dovetails

The Sportsmatch OP25C 1-inch medium double screw one-piece rifle scope rings are designed for 9.5-11.5mm (38") dovetails, which is the most common size for modern airguns and .22 rimfire rifles. The dovetail joint is a joinery technique commonly used in woodworking, especially in furniture, cabinets, and traditional timber framing. It is known for its resistance to being pulled apart, thanks to the interlocking design of the joint.

The OP25C scope mount rings feature a double clamp mount for extra secure mounting. The base fitting size of 9.5-11.5mm refers to the width of the dovetail joint, which is the standard measurement for the groove that the scope rings fit into. This size is compatible with a wide range of firearms, ensuring a secure and stable fit.

Dovetail joints are characterised by their distinctive tail-like shape, with a series of pins and tails that interlock to form a strong bond. The pins and tails have a trapezoidal shape, which provides tensile strength and makes it difficult to pull the joint apart. Once glued, the joint becomes even stronger and can withstand significant forces without the need for additional mechanical fasteners.

The OP25C scope mount rings also include features such as Easyfit arrestor pins and removable recoil stop pins, which further enhance the stability and security of the mounting system. The scope mount rings are designed to fit lens diameters of up to 45mm without AO and are compatible with scopes featuring a 1" (25.4mm) diameter body tube.

The tube size fits 1 (25.4mm) diameter body tubes

The Sportsmatch OP25C mount is a medium-sized dovetail mount with a tube size that fits 1-inch (25.4mm) diameter body tubes. This is the most common size, suitable for most modern airguns and .22 rimfire rifles. The mount is designed to accommodate scopes with a maximum objective (front) lens size of 45mm when the dovetails are flush with the barrel. It is important to note that scopes with front PX adjustment may require higher mounts.

The OP25C mount features a double clamp design with four bolts on each cap, ensuring a secure and sturdy fit. The mount is manufactured using CNC (Computer Numerical Control) technology, guaranteeing optimal precision and dependability. This mount also includes a removable recoil stop pin and Easyfit arrestor pins, providing additional stability and security.

The Sportsmatch OP25C is suitable for scopes with a tube diameter of 1 inch (25.4mm) and a front lens size of up to 45mm. It is designed for rifles with 9.5-11.5mm dovetails, which is the standard size for many modern airguns and .22 rimfire rifles. This mount provides a solid and reliable platform for scope mounting, ensuring accuracy and precision for shooters.

The Sportsmatch OP25C 1-inch mount is a popular choice for rifle owners, offering a secure and adjustable fit for their scopes. The mount's compatibility with various rifle models and its ability to accommodate different lens sizes make it a versatile option for shooters. Its precision and stability contribute to an enhanced shooting experience, ensuring accurate placement of shots.

Frequently asked questions