Creedmoor Sports Bullet Comparator Bar

Creedmoor Sports Bullet Comparator Bar The comparator bar is designed to allow you to use the bullet comparatorwith a dial indicator and a granite comparator stand. This provides astable, quick, and accurate measurement of the base to ogive, whether itis a cartridge or a bullet. This kit is compatible with most dial indicatorsthat have a removable foot that is internally threaded for # 4-48 UNF. Kit Contents: 3/32 Allen key #4-48 x A 1/2 socketed cap screw comparator bar You will need: Creedmoor Sports Bullet Comparator Dial indicator with a stem threaded for 4-48 UNF A stand for the dial indicator and reference plate, such as the Creedmoor Sports Granite Comparator Stand Setup: Remove the indicator foot. This should unscrew by hand butsometimes can be a little tight. If needed, wrap the foot in a clothand use a pair of pliers to gently grab the foot and break it loose. Then unscrew by hand. Rotate the bullet comparator so the appropriatelysized hole is in the 6 o'clock position and install thebar at the 12 o'clock position. Use the two thumbscrews provided with the comparator to clamp thecomparator onto the bar. Using the Allen key, install the socketed cap screwand thread it into the dial indicator stem. Rotate the comparator so that it faces you and tightenthe screw. Be careful not to overtighten as that candamage the indicator. If the indicator was not mounted to the stand, goahead and mount it to your stand following themanufacturer's instructions. Use the bottom of thebullet comparator to square the dial indicator to thesurface plate. Use: Lift the stem of the indicator with the bulletcomparator attached. Place the cartridge or bullet under the indicator andlower the stem so it sits on the bullet ogive. Make any necessary adjustments to the dial indicatorso that it reads zero. Place a second cartridge under the indicator. Themeasurement difference between the first and thesecond cartridge is your comparative measurement.