3.1.4 Distinguished Revolver - The revolver must be capable of chambering and firing a 158-grain round nose or semi-wadcutter .38 Special cartridge. It must be a factory manufactured revolver with no external modifications except for stocks which may be modified or changed because of the size of the competitor’s hand or to facilitate loading. Except for stocks and the honing of the sear or sear notch to make a more crisp trigger, and maintain a 2 1/2 lb. minimum trigger pull, no external or internal modification may be made to the revolver as manufactured and sold by the factory of origin. No parts may be removed from the revolver, either externally or internally, nor may any part be added. Specifically prohibited is any system of recoil control based upon compensators, barrel venting, barrel porting or weighted grips.

(a) Trigger - Must have single and double action capability and must be capable of lifting 2 1/2 lbs when the revolver is cocked for single action firing. Triggers will be weighed. Any trigger, sold by the manufacturer of the revolver, without modification, may be used.

(b) Sights - Fixed or adjustable rear sights may be used. An adjustable front sight is not allowed.

(c) Barrel - Length not to exceed six and one-half inches (6 1/2").

(d) Stocks - Except as set forth above, the right and left stocks must be mirror images of each other.

(e) Ammunition - New, factory manufactured ammunition or commercially re-manufactured ammunition: .38 Special 158 grain round nose lead bullet or .38 Special 158 grain lead semi-wadcutter only.

(f) The following are not allowed: Trigger shoes, compensators of any type or design; any external trigger stop device or any internal trigger stop not originally installed by the factory as original equipment in stock revolvers of the same make and model; tape on the stocks, stocks flared at the base or any substance which results in a sticky surface to the stock or hand.