The LaserLyte Universal Laser Bore Sight will work with calibers .22-.50. So it will work with both rifles chambered in 6.5 Creedmoor and 300 Blackout.
The manufacturer does not state where the LaserLyte Universal Laser Bore Sights are made. I recommend contacting the manufacturer for that information.
To replace the batteries in the LaserLyte Universal Laser Bore Sight, you will need to unscrew the end where the battery cap is in order to remove the old batteries and insert the new ones. The instructions can be seen by looking at the product images on the left side of the product page.
Yes, the LaserLyte Universal Laser Bore Sight will work with a 40 caliber pistol.
Yes, the LaserLyte Universal Laser Bore Sight will work for 35 Whelen.
This bore sight should work with that firearm.
Yes, this kit should include the necessary parts to work with that caliber.
Yes, this kit should include the necessary parts to work with those calibers.
This kit does not require a pull of the trigger. The laser is activated by a turn switch.
Yes, this kit should include the necessary parts to work with that caliber.