The Ruger SP-101 is a great revolver, but the factory double action trigger pull can be heavy and a bit rough. The single-action trigger pull measured 4.5 pounds. Initial trigger weight was a gritty 11.5 pounds. Initial trigger weight was a gritty 11.5 pounds. I cut a coil and a half off the hammer spring, and smoothed up the hammer strut. The single action pull averaged five pounds. You have to be consistent, too; and state exactly where on the trigger's face each measurement is taken. I'm on the lookout for a S&W Model 63, the steel frame version of the 317 kit gun. These quality spring kits feature the finest gun springs available, made from high-tensile spring wire for the finest possible action tuning jobs. This is variant 1 of 8. Ruger SP101 ® You Can Never Be Too Prepared. The double-action trigger pull was heavy at 12.5 pounds with some stacking. It takes a pretty good hit to set off the 22 LR priming mixture, but even at over eleven pounds, the double-action pull on the SP101 is butter-smooth, and the single-action pull very crisp. I can’t believe the wimpy comments about weight, heavy pull and other whiny complaints. double-action trigger pull. The SP101 functioned perfectly, firing every cartridge. Ruger SP101 is a revolver manufactured by Ruger. It was a little rough initially but has smoothed out with use. The double action pull breaks at around 11 pounds and single action requires an effortless two pounds of pressure. The trigger return spring only affects the pull weight and not the strike force. Out of the box, pulling the trigger on the Wiley Clapp SP101 sounded like a rusty screen door. Removing a tiny bit at a time and then reinstalling, repeated until I had a crisp, creep free sa trigger pull. After a small adjustment to the sight, my groupings were amazingly small/tight at 25 feet, then at 10 meters and finally at 15 meters… outdid my Browning. Usually the double-action trigger pull of a revolver is too heavy to check with a Lyman’s digital trigger gauge, which has an upper limit of 12-lb. The low-profile front sight of the SP101 facilitates drawing the sidearm from a concealed carry holster or pocket without snagging. Ruger SP101 Match Champion 357 Magnum 2.25in Gloss Stainless Revolver – 5 Rounds – Polished and optimized internals, a centering boss on the trigger and centering shims on the hammer produce a smooth double-action trigger pull and a crisp and consistent let-off. I ended up with a 11 lb double action trigger pull, and 3.5 single action, which I … When you compare the trigger pull of the GP-100 to other double-action revolvers the GP does very well. The Trigger Pull before was very tough in Double Action, with a inconsistent Single Action trigger pull weight of 5 pounds. The DA pull could not be measured, as it greatly exceeded the maximum eight pound range of our RCBS trigger pull scale. Thank you for checking out my videos & don't forget to SUBSCRIBE!!! Improving the trigger pull involves disassembling the revolver, sanding / polishing surfaces, installing shims, and replacing factory springs with lighter springs. The SP101 can be fired either double or single action. The gunsmith says the factory trigger is probably around 15 pounds and that the trigger kit from Brownells that he would use would reduce the trigger pull to around 10-12 pounds. The double action weight is a consistent and somewhat surprising 11 3/4 pounds, as measured with my Timney Trigger gauge. The blued SP101 exhibited an 11 lbs. Measuring on my trigger scale between 11.3 and 11.6 lbs. Removing all the burrs will have a great effect if done properly. The Remington 870 / 11-87 / 1100 Trigger Spring Kit will reduce your trigger pull from a factory weight of 5.5 lbs to a modified weight of 3.5 lbs. Having shot both 3” Model 60’s frequently as well as 3 1/16” SP101’s, I find that the S&W does have lighter trigger pulls in either double or single-action than the SP101 but the S&W is not always necessarily smoother; that seems to be dependent upon the individual gun. 9mm Luger I just picked up a Ruger SP101 DAO .357 mag revolver. Although the SP101's trigger is smooth it's still relatively heavy if you're used to a lighter semi-auto pistol trigger pull. Cocking the hammer for single-action shots dropped the pull weight to 4-lb. In DA mode an unmodified SP101 has a long heavy trigger, something to consider. Using the same weight springs, a trigger with less friction will feel lighter. When fitted with a standard connector and springs, new, out of the box, Glock pistols usually demonstrate a trigger pull weight between 5.5 and 6.5#'s when measured from the center of the trigger's face. Hello, I'm thinking about getting a trigger job done on my SP101 8-shot 22lr. Does anyone know the factory weights for the trigger return spring and the hammer spring. I can only describe it as a soft break. The trigger pull is necessarily heavy on double-action rimfire revolvers. It will also increase reliability when using the lighter mainspring since there is less friction for the hammer to overcome. Strong and reliable shot after shot, all Ruger SP101 ® revolvers have solid steel sidewalls (no side-plates), making them rugged, reliable, and dependable. The trigger pull weight is something to consider however. The weight of the gun helps to keep it steady during the pull. A few years ago I put a 10# Reduced weight main spring in it and polished up the strut resulting in a really nice trigger pull with 100% reliabilty on CCI primers. The SA pull will likely never be as light and crisp as even a J-frame 'Smith rimfire, but the DA pull is approaching the smoothness of my 'Smith 317. 13-oz. With the heaviest Buffalo Bore high-performance ammunition, the extraction was a bit sticky, but not enough so as to present a problem. Sure it’s a Smith & Wesson forum, but I would bet there are more than a few of us that have a Ruger SP101 in the gun safe. The trigger pull leaves a bit to be desired. After this install, the Double Action trigger pull was Much Better, and the Single Action Trigger Pull Dropped to a Very Smooth Consistent 3 1/2 Pounds! The added muzzle weight does help soak up some of the SP101 facilitates drawing sidearm. Sp101 was lighter than expected at 10-lb is necessarily heavy on double-action rimfire.. 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