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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Post deleted by Checker4Tix. If the sear is altered or defective, the sear could release by pushing on the hammer. Once the pawl is in all the way, position it vertically and allow the trigger to move forward. So the hammer should have a 0. The purpose of the hammer is to apply a striking force to the primer when the SA or DA sear is tripped. Have about rounds and works good.

If any of you have them, please email me a copy. November 28th, It’s incredibly comprehensive and extremely helpful for understanding how everything works! You are a great resource for us all.

To remove the hammer dog, use a paper clip or small pin punch to push the hammer dog pin part 20 out of the hammer. Several other styles are available from aftermarket sources. Gentlemen, not to be disrespectful but this is part of the reason; as well as some other issues, why Iowegan at RugerForum. RuminatorDec 17, Use a forcing cone reamer and cut just enough to see a cone develop.


Good piece of work – all of them. I ruher belong to November 29th, Installing hammer guger also improves this technique.

The HKS speedloaders have a knob to turn to release the bullets into the cylinder. Do not force the crane into the hole or you will ruin the endshake bearings. Do the same test in DA by pulling the trigger and watching the cylinder latch. The closest I’ve found is this trigger job guide.


Thank you very much! Post Deleted by Checker4Tix.

Install the spring of your choice by placing the strut back in the vise. The strange thing about this is that for the last 40 years Ruger could have improved the trigger action on their revolvers, but they have not done so. By Jamie Jackson Started 22 hours ago. Hold the crane vertical with the ejector rod down. The trigger part 68 and trigger plunger part 48 will fall out.

Most are fine, but some are rough in some function and even inaccurate — like most of the Minis used to be. Trigger begins rguer move forward.


BadmanNov 25, Ruger revolvers are great but unfortunately they are much underestimated in Europe.

Sorry for the Q, but what is an IBOK?

Previous topic Next topic. Printing costs went up, postage went up, and sales went down. The article made it simple for a non gunsmith to cautiously but confidently improve on an already great handgun.

I am not a gunsmith. Some years ago I got a pdf of Iowegans Ibok, nothing like it anywhere else I’m pretty sure.

Ruger GP Spring Kit – Gunsmithing & Troubleshooting –

It fits my hand beautifully, but the DA trigger feels like lifting a Buick. Press the cylinder release button part 52 and swing the cylinder out. That was the reason that I kept searching. Installing the shims is a trick. The adjustable sight models come with full sized rubber grips with inserts. Disclaimer The procedures in this guide rugeer render your revolver inoperable or result in a dangerous malfunction.

I changed out my springs a while back with a set from Wolff Springs I believe.