A Ruger SP is likely in my future. I learned of a series of books called IBOK’s ( Iowegan’s Books of Knowledge). They used to be available for. Introduction. The Ruger SP is a great revolver, but the factory double action trigger pull can be heavy and a bit rough. It can be improved with a “trigger job”. In the library they have DIY tutorials for Ruger revolvers called the “Iowegian book of Knowledge” (IBOK). They’re pretty informational and have.
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The Ruger SP is a great revolver, but the factory double action trigger pull can be heavy and a bit rough. It can be improved with a “trigger job”. This guide will walk you through the process of completing a trigger job. The entire process is broken down into simple, illustrated steps. Make sure the revolver is not loaded. Please follow all firearm safety rules while working on your firearm.
An improper trigger job can render a revolver useless or result in a dangerous malfunction. Several parts in the revolver are carefully fitted at the factory.
Any significant changes to these parts can make the trigger ruter worse or render the revolver useless. When sanding, your goal is to smooth the rough spots while removing as little metal as possible.
The surfaces do not need to be perfectly flat and smooth. You should only use – grit sandpaper and polishing compound. Using courser sandpaper can easily remove too much metal. Do not sand the forcing cone, cylinder face, cylinder notches, cylinder crane or the frame where it meets the crane or any other surface unless you’re sure it will not effect the proper function of the revolver. Avoid using a Dremel or any power tools, except with soft polishing wheels and polishing compound.
Although it will significantly increase the amount of time to complete a trigger job, I recommend that you reassemble and test the revolver after sanding and polishing each part.
Please feel free to email me at: The procedures in this guide can render your revolver inoperable or result in a dangerous malfunction. I am not a gunsmith. I am not responsible if you break something or injure someone.
If you plan to install shims, measure the gap between each side of the hammer and trigger before you begin disassembly see below.
Ruger SP101 IBOK
Have several small cups, bags, etc. I find it helpful to label the parts during disassembly. I recommend having a clean work area with good lighting and minimum distractions. Hammer shims and trigger shims will center the hammer and trigger in the frame and prevent dragging.
Use the following procedure to determine the required shim thickness for your revolver. With the revolver fully assembled, use a feeler gauge to measure the gap between each side of the hammer or trigger and the frame. Add the gaps on each side to calculate the total gap. Divide the result by 2 to determine the thickness of each shim.
So the hammer should have a 0. High quality stainless steel shims can be bought from Lance at TriggerShims. He also has an eBay store under the seller name “Michigan Center Outdoors”. Lance produces all his shims by hand.
You can also make your own shims from a feeler gauge. Cut off the end of the gauge and drill or punch a hole slightly larger than the pin that’ll go in the hole. To drill a cleaner hole you should place some wood under the shim. You may also clamp the shim between two pieces of hardwood, aluminum, etc. A step drill usually makes a better hole. If the drill bit is wondering, make a small dent in the center of your future hole with a center punch or nail before rjger.
The edges of the shim should be sanded smooth. The steel in many feeler gauges will rust easily.
IBOK for SP? : ruger
Be sure to apply a coating of oil or grease to the shim. Getting the shims in place while assembling the revolver can be a challenge. I recommend inserting the shim between the parts and using a feeler gauge to guger the shim into place, then use a paper clip to align all the holes so the pivot pin can be inserted.
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Introduction The Ruger SP is a great revolver, but the factory double action trigger pull can be heavy and a bit rough. Safety Make sure the revolver is not loaded. Warning An improper trigger job can rufer a revolver useless or result in a dangerous malfunction. Contact Please feel free to email me at: Disclaimer The procedures in this guide can render your revolver inoperable or result in a dangerous malfunction.
Preparation If you plan to install shims, measure the gap between each side of the hammer and trigger before you begin disassembly see iblk. Required Materials Actually, some if the following items are required.
Ruger SP IBOK | Kel-Tec Owner’s Group – The Community for Kel-Tec Shooters
Others are helpful or optional: Long, thin screwdriver, bar, etc. Shims Hammer shims and trigger shims will center the hammer and trigger in the frame and prevent dragging. Schematic You may refer to the following schematic through the trigger job process. Part Description 3 Hammer dog spring, pawl spring 4 Plunger 5 Cylinder latch 7 Cylinder latch spring 8 Disassembly pin 18 Grip panels 19 Grip 20 Grip retaining pin 21 Hammer dog pivot pin 22 Hammer pivot pin 23 Hammer strut 28 Mainspring 29 Mainspring seat 30 Pawl 31 Pawl plunger Part Description 32 Grip panel screw 41 Transfer bar 42 Trigger guard latch 43 Trigger guard latch spring 44 Trigger link 45 Trigger link pin 46 Trigger link plunger 47 Trigger plunger 48 Trigger guard latch retaining pin 61 Hammer 62 Trigger 63 Trigger guard housing 64 Trigger retaining pin 66 Hammer dog.
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