Articles

"I have a goal to share my knowledge with other shooters. I hope that some of these materials might help you get where you want to go as a shooter a little faster and easier."

Click on any link below to download information, instructions, and specifications.
	5 Star Muzzle Brake Info David Tubb's notes on the 5 Star muzzle brake
	33XC and 37XC Writeup David Tubb's info on the 33XC and 37XC
	TUBBDUST Info David Tubb's info on TUBBDUST
	David Tubb's Die Instructions David Tubb's Reloading Die Instructions
	6XC Recommendations David Tubb's Recommendations for the 6XC
	Adaptive Target Rifle Writeup TUBB Adaptive Target Rifle Writeup
	Adaptive Target Rifle Detailed Specs TUBB Adaptive Target Rifle Detailed Specs
	Adaptive Target Rifle Press Release TUBB Adaptive Target Rifle Press Release
	2Hole Ammo Press Release Absolute 2Hole Press Release (July 2016) 2 pages [2MB]
	DTR Manual Updated DTR Reticle Manual (January 2016) 30 pages [182KB]
	DTR One Page Instructions DTR Fast Track Instructions 1 Page [171k]
	DRI Press Release Distance Reduction Indicator Press Release 3 pages [288k]
	DRI Instructions Instructions for the Distance Reduction Indicator 4 pages [473k]
	T7T Instructions Instructions for the T7T Trigger 2 pages [185k]
	SSS Bubblevel Information on the new Bubblevel 3 pages [219k]
	SSS Duo Firing Pin Springs The revolutionary new Duo Firing Pin Spring. 2 pages [121k]
	New Barrel Break-In Newly updated (February 2012) from previous materials, this article explains David Tubb's beliefs and process for breaking in both factory and handlapped barrels. Methods are compared and the procedure is outlined. 4 pages [205k]
	Spring Design This is about how firearms springs work, or should work, and you will learn a good deal from it. 5 pages [200k]
	Firing Pin Impact Studies by James A. Boatright Choosing optimal hammer and striker firing system components. An in-depth look at primer ignition, firing pin design and accuracy, by James A. Boatright. 8 pages [236k]

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