Precision Air is located in Columbus, Michigan and is owned and operated by Doug Clark. Doug's expertise is a unique understanding of air gaging that only years of experience can offer such as the two-circuit rifle bore spindle which is the first of it's kind. This spindle allows the user to measure the rifle bore diameter and groove diameter (lands and grooves) simultaneously, drastically reducing measurement redundancy and compliance work load...
2-Circuit rifle bore spindles to measure rifle groove and land simultaneously. Chamber spindles also available.