The Sightmark SM39032 is a laser boresight designed specifically for the 7x57mm Mauser (R) cartridge. It is inserted into the rifle chamber like a standard round and emits a visible red laser dot indicating the point of aim. This allows for quick preliminary optic alignment without firing live ammunition
It is intended for initial sight-in and must be followed by live-fire zeroing for final accuracy
Designed for 7x57mm Mauser (R) caliber
Visible red laser (632–650 nm)
Cartridge-style chamber insertion
On/off end cap activation
Durable brass construction
Reusable compact design
Sighting range approx. 15–100 yards
Laser class <5 mW
Bright red laser dot for fast initial alignment
Ideal for getting scopes “on paper” quickly
No recoil influence during setup
Best suited for short to mid-range adjustment
Solid brass housing
Reusable and wear-resistant
Built for repeated chamber use
Compact and portable design
Field-ready durability
Powered by AG5 batteries (2–3 depending on variant)
Approx. 1 hour continuous runtime
Simple end-cap activation
No external power required
Pre-zeroing rifle scopes
Hunting rifles in 7x57mm Mauser
Ammunition saving during sight-in
Range preparation and setup
Requires final live-fire zeroing
The Sightmark SM39032 7x57mm Mauser (R) laser boresight is a practical sighting tool for fast optic alignment. It improves efficiency during zeroing but does not replace final live-fire adjustment
