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JJ Rock Co.


Est. 2016

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JJ Rock Co.


Est. 2016

Who we are

JJ ROCK CO. is a Bolt Action Manufacturer and Custom Rifle Builder formed in 2016 by Rock McMillan, John Kalil, Jon Geib, and Duncan Davis.


JJ ROCK CO. also has a Training Division that offers Courses exclusively to Military and LE. No Civilian Training Courses are offered at this time.


What we offer

Custom Bolt Action Receivers

Custom Rifle Builds

OEM Bolt Action Receivers

OEM Rifles


when we started

Our Partners bring with them a combined history of Designing and Manufacturing Custom Actions and Rifle Builds of over sixty (60) years, producing thousands of Custom Actions and Rifle Builds for numerous Military, LE, and Competitive Shooting Applications.


Our Partners have also produced thousands of OEM Actions for Custom Rifle Builders and Manufacturers over that time as well.


What this means to you, our Valued Customer, is that our Partners bring with them an extensive Custom Design and Manufacturing History to our new line of JJ ROCK CO. Custom Actions and Rifle Builds and OEM Offerings.


With our initial SUPERXL Action Offering, JJ ROCK CO. brings to the Market a true ELR Action that was developed with proven Design and Manufacturing Features from our extensive experience, with great care taken to develop a design that can be repeatedly made to the highest standards… JJ ROCK CO. Standards.


One such feature that we are very proud of is our Stabilized Firing Pin Design, which produces more consistent lock times, resulting in more consistent primer ignition and greater accuracy potential.


Where We are located

JJ ROCK CO. is a fully capable machine shop located in Phoenix, Arizona.


why you should choose Jj rock co.

JJ ROCK CO. offers what we believe to be some of the highest quality Actions and Custom Rifle Builds available today, offered at a fair price, by folks with a genuine interest in making sure that you have one of the best Customer Service experiences in the Industry.