The Sightmark Triple Duty Universal is a magnetically mounted laser boresight for the preliminary alignment of optical and mechanical sights on different firearms.
The Sightmark Triple Duty Universal is a magnetically mounted laser boresight for the preliminary alignment of optical and mechanical sights on different firearms. It attaches to the muzzle rather than fitting inside the chamber, eliminating the need for separate calibre adapters. The red-laser EU version has an output of less than 1 mW and provides up to one hour of battery operation. Suitable for use Rifles from .17 to .50 calibre Owners of several firearms in different calibres Preliminary alignment of riflescopes Initial adjustment of red-dot sights Checking mechanical sights Checking alignment after installation or transportation Compatible handguns and shotguns with a suitable muzzle Hunters, sport shooters and firearm-maintenance professionals Reducing ammunition used during preliminary adjustment Why choose the Sightmark Triple Duty Universal? One device for several different calibres Rifle-calibre range from .17 to .50 Magnetic attachment to the muzzle No separate calibre adapters required No attachment parts extend inside the bore Visible red laser with a wavelength of 632–650 nm EU-version output of less than 1 mW Manufacturer-specified sighting range of approximately 14–91 m Battery life of up to one hour Brass construction Compact and easy to carry Batteries and carrying pouch included Technical specifications Product type: Universal magnetic laser boresight Rifle-calibre range: .17–.50 Manufacturer-listed firearm types: Rifles, handguns and shotguns Attachment: Magnetically to the muzzle Calibre adapters: Not required Parts extending into the bore: None Laser type: Visible red laser Wavelength: 632–650 nm EU-model nominal output: Less than 1 mW Manufacturer-specified sighting range: 15–100 yd / approximately 14–91 m Laser-dot size: Approximately 51 mm at 91 m Recommended preliminary alignment distance: Approximately 18–27 m Power supply: 3 × AG3 batteries Approximate battery life: Up to 1 hour Operation: Threaded on/off battery cap Body material: Brass Operating temperature: –10 to +50 °C Intended use: Preliminary sight alignment and checking Ammunition: No Supplied with Sightmark Triple Duty Universal laser boresight 3 × AG3 batteries Protective carrying pouch Instruction manual Frequently asked questions How is the Sightmark Triple Duty Universal attached to a firearm? Its magnetic base is placed carefully against the muzzle. The device does not fit into the chamber or extend into the bore. For the best result, it must sit squarely and securely against the muzzle. Which calibres are compatible with the universal boresight? Sightmark specifies a rifle-calibre range from .17 to .50. The manufacturer also lists handguns and shotguns, but their muzzle design must allow the device to attach securely and remain correctly centred. Can it be used with a suppressor or muzzle brake installed? The boresight should generally be attached directly to a clean, unobstructed muzzle. A suppressor, muzzle brake, flash hider or other muzzle device may prevent correct alignment and should be removed before use when permitted by the firearm and accessory manufacturers’ instructions. Does the laser boresight replace live-fire zeroing? No. It provides a preliminary reference for aligning the sight with the bore axis, but it does not account for bullet trajectory, ammunition performance or the firearm’s actual point of impact. Final zero must always be confirmed with live ammunition at an authorized shooting range. When is the Sightmark Triple Duty Universal the right choice? This model is well suited to users who own several firearms in different calibres and do not want a separate in-chamber boresight for every cartridge. Its magnetic attachment allows it to be moved quickly between compatible firearms, with no small calibre adapters to store or lose. For a firearm that is used regularly in one specific calibre, an in-chamber boresight may provide a more repeatable seating position. The universal model depends more heavily on correct placement against a clean, flat and compatible muzzle. Expert recommendation The main advantage of a universal laser boresight is the ability to check several firearms with one device. It is particularly useful for hunters and sport shooters who own rifles in different calibres. Before installation, remove dirt and excess oil from the muzzle and, where appropriate, remove any muzzle accessory. Place the magnet against the muzzle carefully so that it does not strike or damage the crown. Use a clearly marked target at approximately 18–27 metres and work indoors or in shade whenever possible. Before adjusting the sight, confirm that the boresight sits squarely and does not move when lightly touched. Always remove the device before loading or firing the firearm. The laser can bring the sight into the correct general adjustment range, but the true point of impact must still be confirmed at a shooting range. Remove the batteries before long-term storage. One boresight for several firearms The Sightmark Triple Duty Universal provides a convenient way to carry out preliminary sight alignment across several calibres without changing adapters. Its magnetic attachment, visible red laser and broad .17–.50 calibre range make it a practical option for multi-firearm owners.
The Sightmark Triple Duty Universal is a magnetically mounted laser boresight for the preliminary alignment of optical and mechanical sights on different firearms. It attaches to the muzzle rather than fitting inside the chamber, eliminating the need for separate calibre adapters. The red-laser EU version has an output of less than 1 mW and provides up to one hour of battery operation. Suitable for use Rifles from .17 to .50 calibre Owners of several firearms in different calibres Preliminary alignment of riflescopes Initial adjustment of red-dot sights Checking mechanical sights Checking alignment after installation or transportation Compatible handguns and shotguns with a suitable muzzle Hunters, sport shooters and firearm-maintenance professionals Reducing ammunition used during preliminary adjustment Why choose the Sightmark Triple Duty Universal? One device for several different calibres Rifle-calibre range from .17 to .50 Magnetic attachment to the muzzle No separate calibre adapters required No attachment parts extend inside the bore Visible red laser with a wavelength of 632–650 nm EU-version output of less than 1 mW Manufacturer-specified sighting range of approximately 14–91 m Battery life of up to one hour Brass construction Compact and easy to carry Batteries and carrying pouch included Technical specifications Product type: Universal magnetic laser boresight Rifle-calibre range: .17–.50 Manufacturer-listed firearm types: Rifles, handguns and shotguns Attachment: Magnetically to the muzzle Calibre adapters: Not required Parts extending into the bore: None Laser type: Visible red laser Wavelength: 632–650 nm EU-model nominal output: Less than 1 mW Manufacturer-specified sighting range: 15–100 yd / approximately 14–91 m Laser-dot size: Approximately 51 mm at 91 m Recommended preliminary alignment distance: Approximately 18–27 m Power supply: 3 × AG3 batteries Approximate battery life: Up to 1 hour Operation: Threaded on/off battery cap Body material: Brass Operating temperature: –10 to +50 °C Intended use: Preliminary sight alignment and checking Ammunition: No Supplied with Sightmark Triple Duty Universal laser boresight 3 × AG3 batteries Protective carrying pouch Instruction manual Frequently asked questions How is the Sightmark Triple Duty Universal attached to a firearm? Its magnetic base is placed carefully against the muzzle. The device does not fit into the chamber or extend into the bore. For the best result, it must sit squarely and securely against the muzzle. Which calibres are compatible with the universal boresight? Sightmark specifies a rifle-calibre range from .17 to .50. The manufacturer also lists handguns and shotguns, but their muzzle design must allow the device to attach securely and remain correctly centred. Can it be used with a suppressor or muzzle brake installed? The boresight should generally be attached directly to a clean, unobstructed muzzle. A suppressor, muzzle brake, flash hider or other muzzle device may prevent correct alignment and should be removed before use when permitted by the firearm and accessory manufacturers’ instructions. Does the laser boresight replace live-fire zeroing? No. It provides a preliminary reference for aligning the sight with the bore axis, but it does not account for bullet trajectory, ammunition performance or the firearm’s actual point of impact. Final zero must always be confirmed with live ammunition at an authorized shooting range. When is the Sightmark Triple Duty Universal the right choice? This model is well suited to users who own several firearms in different calibres and do not want a separate in-chamber boresight for every cartridge. Its magnetic attachment allows it to be moved quickly between compatible firearms, with no small calibre adapters to store or lose. For a firearm that is used regularly in one specific calibre, an in-chamber boresight may provide a more repeatable seating position. The universal model depends more heavily on correct placement against a clean, flat and compatible muzzle. Expert recommendation The main advantage of a universal laser boresight is the ability to check several firearms with one device. It is particularly useful for hunters and sport shooters who own rifles in different calibres. Before installation, remove dirt and excess oil from the muzzle and, where appropriate, remove any muzzle accessory. Place the magnet against the muzzle carefully so that it does not strike or damage the crown. Use a clearly marked target at approximately 18–27 metres and work indoors or in shade whenever possible. Before adjusting the sight, confirm that the boresight sits squarely and does not move when lightly touched. Always remove the device before loading or firing the firearm. The laser can bring the sight into the correct general adjustment range, but the true point of impact must still be confirmed at a shooting range. Remove the batteries before long-term storage. One boresight for several firearms The Sightmark Triple Duty Universal provides a convenient way to carry out preliminary sight alignment across several calibres without changing adapters. Its magnetic attachment, visible red laser and broad .17–.50 calibre range make it a practical option for multi-firearm owners.
