The Anschutz two-stage trigger is a shortcut to learning proper trigger control. It's adjustable in ways no other trigger found on a centerfire rifle can approach. For this reason it's the trigger chosen for the TUBB 2000.
I adjust the trigger location and face angle (options with Anschutz) to optimize my point of contact with the trigger. The idea is to direct the pressure against the trigger face in such a way as not to induce any movement other than straight back; sideways movement is detrimental. Due to the orientation of my finger contact point with the trigger face, and also to the relatively high right-hand position I have on the pistol grip, my finger is not arcing in a straight line against the trigger face (such that the finger and trigger face are perpendicular), but that causes no problems. Trigger-face adjustment compensates for it.
It is important that the trigger sits far enough forward that it meets the finger when the finger is naturally extended. This is easily adjusted on an Anschutz but may require working around on others, such as when inletting the stock on a bolt action or by moving the pistol grip rearward on an AR-15-type rifle. Curling in the index finger to meet the trigger face means not only that the finger is cramped and less efficient in its capacity for controlled movement but that it also tends to arc such that there is sideways pressure applied against the trigger, which can move the rifle.
HAND POSITION
Another element in precise control of trigger-finger movement is found in the thumb. The thumb and index finger work as a team, and this teamwork is in use countless times in a day (pick up a coin to see it). Technically, it's called "sympathetic movement," which means that when one moves, the other is ingrained to move also. When we shoot we don't want the thumb introducing movement because the movement it introduces insulates the feel of the trigger-finger movement and may also introduce unwanted side pressure against the rifle. Reducing sympathetic movement comes from extending the index finger as described and also from increasing hand gripping tension. Sympathetic movement is more prevalent when the hand is relaxed.
Another means of reducing sympathetic-movement influence is elevating and extending the thumb. All the pistol-grip areas I have designed have allowed natural attainment of this hand-hold orientation. When the thumb is wrapped around low on the pistol grip, sympathetic movement is increased.
Don't allow any part of the trigger finger to touch the rifle other than the contact of the fingertip to the trigger face. If the trigger finger is pressing inward or rubbing on the rifle, that can move the rifle or create pressures that may cause shot displacement. Unwanted rifle movement can also be introduced by the reaction of the hand when the trigger finger is moved. Gripping tension influences this, and higher tension reduces the tendency. Again, the idea and goal is to isolate control of movement to only the finger tip.
Trigger control is what it says: controlling the moment of firing. It is as much a mental process as it is a shooting technique, but mechanics come first. Set up right, and learning trigger control becomes much easier.
Call or go online to learn more about David Tubb and his Superior Shooting Systems Inc. (806/323-9488;
www.davidtubb.com).
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