Lyman Ultra Fine Dry Case Neck Lube Powdered Mica 1/10 oz (7991415) Primer Size_Small Rifle Magnum Boresighter uses 3 LR44 batteries

Boresighter uses 3 LR44 batteries (included)

allowing it to accept the same bolt heads and fit into similar firearm actions and rifle magazines

Dimensions: Footprint is nominally 9" x 10"

sitting firmly into place

These steel bases will fit both right and left handed actions

Lyman Ultra Fine Dry Case Neck Lube Powdered Mica 1/10 oz (7991415) Primer Size_Small Rifle Magnum Boresighter uses 3 LR44 batteriesLyman Fine Powdered Mica is used to prolong case life and makes resizing easier. It is used to lubricate the interior of bottleneck cases but can be used as a general lubricant where dry lubricant is used. This is the same mica that is shipped with the Lyman Case Neck Dipper (256 493) Technical Information Function: Used to lubricate case necks before sizing Size: 1 10 oz Material: Mica Powder Notes: Not used to lubricate the outside of the cartridge