Measuring cartridge lengths across the bullet tips is not a reliable (or repeatable) method for measuring loaded rounds. Its common for variations of up to .025 to exist from one round to the next. Our Bullet Comparator measures rounds from the ogive to provide consistent, precise measurements. You can also use it to check uniformity of bullets from base to ogive. Our Bullet Comparator easily attaches to the blade of your caliper and uses interchangeable inserts (available in sizes from .17 caliber to .45 caliber) to measure from the bullet ogive. Used in conjunction with the O.A.L. Gauge , the Bullet Comparator provides the ultimate in precision measurement. The Bullet Comparator will properly align the O.A.L. Gauge for precise measurement using a caliper. This method allows direct comparison of your loads as you set up your bullet seating die for any selected bullet free-travel (jump).

Technical Information

Fits: Any set of calipers 
Function: Designed to be used the Hornady Lock-N-Load Bullet Comparator Inserts and the Hornady Lock-N-Load Overall Length Gauge (Sold Separately)
Material: Aluminum and Brass 
Kit Includes:

  • Comparator body

  • Includes comparator body and 14 bullet inserts for bullet diameters: .172", .204", .224" (5.56mm), .243" (6mm), .257", .264", .277", .284" (7mm), .308" (7.62&8mm), .338", .358", .375", .458", and .416".

  • Allen wrench

  • Notes:
  • Slot on comparator body is cut off-center

  • To position the comparator with the Hornady Lock-N-Load Overall Length Gage, install comparator body to the caliper with the screw through the thicker leg of the body. This allows the proper off center alignment of the Length Gage.
SKU HORB14
Model # B14
Brand Hornady

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